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Hi,
I have recently purchased my P525 from Taiwan and after four months battery level indicator stuck at 71%.
I have reset it several times but no luck so far.
Also i have updated my ROM as well as Radio to the latest version from ASUS site..but no luck so far..
I have gone through different threads and seems people have fantastic knowledge about the WM5 and PDAs.
I cannot change the battery as I am in Mumbai, India and ASUS is very less popular here.
Please suggest some tweaks or some utility so that I can see the exact status of battery used..
Thanks a lot in advance.
deja vu
there is no solution for this.
the only way is to take it to asus ,because it the batterie problem(they will replace the batterie with new one if you have garentie).
i have asus p525 since 12.12.2006 and since 2 weeks i got the same problem ,batterie level stuck at 82% .i tried everything ,update the new firmware,hard,soft reset,even let the batterie die till 0% then charge again. but nothing helps.
i had another extra batterie so i put it in and everything work normal (so its for sure the batterie).
or buy new batterie or send it to asus.
Thanx for the quick reply...but as i stated I am not able to find the new battery here in Mumbai, India...so was thinking if some tweak can help me...
Will search for battery...
Anyone else faced the same problem...
shabbirali said:
Thanx for the quick reply...but as i stated I am not able to find the new battery here in Mumbai, India...so was thinking if some tweak can help me...
Will search for battery...
Anyone else faced the same problem...
Click to expand...
Click to collapse
You can buy it from ebay like i did.
almost everyone have the asus p525 have the problem with the shipped battery.
i used to read the forum and say :i am lucky that my batterie is ok,until 2 weeks ago.(i knew thats coming at me).
anyway no tweak or program will help you m8.
don´t break your head searching for solution,i allready been searching and reading forums about pda`s and phone since 2 years ,and this problem is batterie hardware problem.
SO you have to live with your batterie 72% all the time ,till the phone dies.
or go search for other batterie.
Thanx.. for a good piece of advice.. I will search it in ebay if they can send a good battery....
It's a well known problem for P525 battery. My first one stuck at 100% after 9 month of use. I am using the 2nd one (free when I brought my P525) which doesn't have this problem
sx1-doc, what 4G mini-SD are you using for yr P525? I thought the max that P525 support is only 2G.
__________________________________________________
ASUS P525 ROM: Custom WWE v3.43.0 w/ Chinese support
Eten M600 ROM: Custom Hong Kong 230 w/ USB Host support
Dell Axim X51V ROM: Custom WWE A12
the 4 gb mini sd i bought on ebay normal mini sd (not hcsd).
i had some problems with it before couple of months (i thought it was corrupted ) but it works like a charm since 2 months.
some screenchots.
p.s(the batterie is the old batterie that stuck on 82% in pic 2,i use it one day full use, then i charge )
sx1-doc said:
the 4 gb mini sd i bought on ebay normal mini sd (not hcsd).
i had some problems with it before couple of months (i thought it was corrupted ) but it works like a charm since 2 months.
some screenchots.
p.s(the batterie is the old batterie that stuck on 82% in pic 2,i use it one day full use, then i charge )
Click to expand...
Click to collapse
Any brand on it? Can you post a pic of yr miniSD? Thanks
add picture
Battery Level Indicator freezing problem is solved.
Dismount the battery by removing black film from both sides. Heat the "positive" contact attached to the controller by the copper (I mean soldering-iron) and lift it up.
You will see the elements on a plate. (See the picture attached in zip)
The red-marked place is empty. You are to put a capacitor there (any kind - for example 20-100 nF). I took the first one I found on the dead battery controller from MPx200.
That's it!
Solder the positive bus back to controller. Mount the battery (you should use some new tape to cover the body of a battery).
Enjoy.
Thanks Andrew,
But it seems to be a risk to do that..any suggestions.
There is another solution that does not require you to disassemble the battery, though you must be very careful and thorough with it.
Battery should be at moderate charge. Obviously you can not see the real charge value, but you can estimate it (ie do a full charge, and the use PDA for about half a time it normally lasts).
Then remove the battery from the PDA.
You will need a good external DC (not AC!!!) power supply that can provide about 12V DC at about 500-1000mA current (be sure - no more then 1000mA!). Slightly more or less voltage is fine. I myself did it with 15V 1000mA supply.
Connect power supply - to the battery - contact. Briefly connect power supply + to the battery + contact for about 2-3 seconds.
Connect power supply - to the battery + contact. BRIEFLY connect power supply + to the battery - contact (reverse polarity). MAKE SURE YOU WONT LEAVE IT CONNECTED FOR MORE THEN ABOUT 2 (two) SECONDS!. Sparks are normal, just dont connect it for long.
After that you can replace battery in the PDA. Indicator will show last "stuck" value, but dont be upset - it will not be stuck anymore. Start with full discharge immediately - you will see it will go down now.
Make sure you do full discharge first!
(Due to the battery "remembering" the initial stuck value instead of current true charge, if you will start charging it first, you may hit the situation when battery hits full charge voltage and overcharge switch kicks in before estimated capacity will be truly at 100%, and it can prevent you from reaching reported 100% forever.)
After full discharge, do a full recharge immediately (better with ASUS power supply, not via USB), and after that you should have fully functional & calibrated battery again.
I have just tried it myself on my stuck battery (ver. 1.2) and confirm that it works. At least 3 persons from asusmobile.ru confirmed that it works too. Just be sure you use the right external power supply and dont connect it for long.
Thanks to the GlazkovD from asusmobile.ru for providing this solution.
Btw, if you wonder about source of the problem, it seems to be not the "hung battery controller" contrary to the popular beleif, though the cause of the problem is truly the battery hardware. Hung battery controller results in "unknown charge" error on the PDA, and failure even to obtain the version of the battery (because all these values can not be reported by the frozen battery controller via the SMBus or whatever they do use).
This one is almost positive the voltage monitor/ADC entering the saturated state. So it stops reporting the current battery voltage to the controller - effectively preventing the capacity estimation algorithm from working (but controller is not frozen, it works, it just can not compute the charge anymore so its left at last known value).
Obviously this is a hardware design problem and its 100% can not be solved via any software patch or solution.
The saturated voltage monitoring circuit can be "unstuck" by several ways, thats why people reported various solutions:
- by disassembling the battery and briefly shortening the contacts AndrewSh outlined. Via resistor or capacitor, basically the same. Hovewer, I would not recommend to permanently solder anything there - most likely it will cause monitor circuit to slightly shift the reported voltages (since ver. 1.2 battery firmware was not designed with capacitor in mind) and may cause the improper LiIon cell handling (ie it will report 3.4V when true voltage is 3.2V - may cause a problems on the long run or reduced capacity).
- by disconnecting the LiIon cell from controller board for some time - this removes all power from it and effectively resets the monitoring circuit. Also can be achieved by briefly shortening the cell contacts (via a resistor only, to limit the current!!). Again, this mentions cell contacts, that you see only if you disassemble the battery package, not the external gold-plated contacts. Shortening the external gold-plated contacts will achieve nothing in most cases.
- by the "external shock therapy" outlined in the previous post. Slight and brief overvoltages/overcurrents are not enough to actually fry anything, but enough to kick the voltage monitoring circuit from its saturated state.
- also in some cases voltage monitor circuit can leave its saturated state on itself with time or with any other slight unpredictable stimulus. hovewer in most cases this wont happen.
Ingvarr way to fix that does not really matter. Additional capacitors or "shock-therapy" both work pretty well.
We discovered (see wce.by) already that some ver 1.2 controllers contain that capacitor. But have minor changes in chip types and versions. So sometimes is necessary to remove the existing capacitor depending on the controller type.
Anyway - one of mine works pretty well since April (with the capacitor mounted) without any issues (overheating, wrong charge level reports, reduced battery life and so on)
Actually it was never proven that capacitor is needed - only original circuit designers actually know that, and they are not talking . As you surely seen yourself, capacitor-containing boards are of slightly different design (that maybe actually takes capacitor into account). However both designs still subject to same issue - very slight chance that it will freeze the monitoring, with capacitor or not.
To solder the capacitor, you need to detach the battery from controller board - simply doing that and waiting for some time will already cause voltage monitor to reset and un-stuck (even if you will not solder the capacitor and not touch anything else and just solder the battery back).
Since this issue may not appear for many months even on "wrong" hardware, its very hard to say for certain wheither capacitor actually helps or not, or wheither the issue will ever appear on modified hardware again or not.
IMO its easier not to bother and just reset it with external PSU. Most likely it won't reappear in a months anyway, if reappear at all. I would advise against doing permanent hardware changes on the blind, when you dont exactly know what purpose they serve. Just to be on the safe side But its up to the personal preferences I guess
shock treatment is working perfectly
Dear All,
First of all thanks to Ingvarr and GlazkovD for the solution, I checked it and perfectly working . I used old alcatel mobile charger with 12v 500mA
thanks once again
Ingvarr said:
There is another solution that does not require you to disassemble the battery, though you must be very careful and thorough with it.
Battery should be at moderate charge. Obviously you can not see the real charge value, but you can estimate it (ie do a full charge, and the use PDA for about half a time it normally lasts).
Then remove the battery from the PDA.
You will need a good external DC (not AC!!!) power supply that can provide about 12V DC at about 500-1000mA current (be sure - no more then 1000mA!). Slightly more or less voltage is fine. I myself did it with 15V 1000mA supply.
Connect power supply - to the battery - contact. Briefly connect power supply + to the battery + contact for about 2-3 seconds.
Connect power supply - to the battery + contact. BRIEFLY connect power supply + to the battery - contact (reverse polarity). MAKE SURE YOU WONT LEAVE IT CONNECTED FOR MORE THEN ABOUT 2 (two) SECONDS!. Sparks are normal, just dont connect it for long.
After that you can replace battery in the PDA. Indicator will show last "stuck" value, but dont be upset - it will not be stuck anymore. Start with full discharge immediately - you will see it will go down now.
Make sure you do full discharge first!
(Due to the battery "remembering" the initial stuck value instead of current true charge, if you will start charging it first, you may hit the situation when battery hits full charge voltage and overcharge switch kicks in before estimated capacity will be truly at 100%, and it can prevent you from reaching reported 100% forever.)
After full discharge, do a full recharge immediately (better with ASUS power supply, not via USB), and after that you should have fully functional & calibrated battery again.
I have just tried it myself on my stuck battery (ver. 1.2) and confirm that it works. At least 3 persons from asusmobile.ru confirmed that it works too. Just be sure you use the right external power supply and dont connect it for long.
Thanks to the GlazkovD from asusmobile.ru for providing this solution.
Click to expand...
Click to collapse
Outstanding !!
This solution really worked on my battery. Mine was stucked at 100%. I used a 12V 500mah charger for this.
After the "electric chair" treatment the battery is working like new. Actually, I have the phone in use for two days with no need of recharge at all.
Thanks a lot !!
Hello,
This started about a month ago when my GSM i9250 Galaxy Nexus began not charging enough to reset the battery graph and has progressed to not charging past 0%. When OFF the charge icon will show up and the charging animation will appear when the power button is pressed. The animation shows empty all the time, I have left it off and charging for 40+ hours with no change. When ON it will show as charging for a short period (30sec to 10min) of time then either show as not charging or ask to be plugged in. Sometimes it will work (turn on) for short periods before dying. I have tried multiple cords, chargers, computers (as chargers), batteries all with no effect. Currently running stock ROM rooted and twrp2. Any thoughts, suggestions or questions welcomed.
Thank you
PS. I ask this after much searching here and on Google, if I have failed to find an obvious fix please proved a link or suggested search phrase.
mpluginspace said:
Hello,
This started about a month ago when my GSM i9250 Galaxy Nexus began not charging enough to reset the battery graph and has progressed to not charging past 0%. When OFF the charge icon will show up and the charging animation will appear when the power button is pressed. The animation shows empty all the time, I have left it off and charging for 40+ hours with no change. When ON it will show as charging for a short period (30sec to 10min) of time then either show as not charging or ask to be plugged in. Sometimes it will work (turn on) for short periods before dying. I have tried multiple cords, chargers, computers (as chargers), batteries all with no effect. Currently running stock ROM rooted and twrp2. Any thoughts, suggestions or questions welcomed.
Thank you
PS. I ask this after much searching here and on Google, if I have failed to find an obvious fix please proved a link or suggested search phrase.
Click to expand...
Click to collapse
Maybe your charging pins in the usb port got some dust, actually yesterday the same happened to me, but now i've used a needle to clean off the dust from the usb port and tried to push that metallictab present in the port downwards, now it has helped me. Try this and if it didn't work, then it MAY be a hardware issue.
I'm not an expert, just you my experience of this prob
AayBedi said:
Maybe your charging pins in the usb port got some dust, actually yesterday the same happened to me, but now i've used a needle to clean off the dust from the usb port and tried to push that metallictab present in the port downwards, now it has helped me. Try this and if it didn't work, then it MAY be a hardware issue.
I'm not an expert, just you my experience of this prob
Click to expand...
Click to collapse
Thanks, I will give that a try though I doubt it will make much difference as mine will not acknowledge a battery charged on an external charger.
AayBedi said:
Maybe your charging pins in the usb port got some dust, actually yesterday the same happened to me, but now i've used a needle to clean off the dust from the usb port and tried to push that metallictab present in the port downwards, now it has helped me. Try this and if it didn't work, then it MAY be a hardware issue.
I'm not an expert, just you my experience of this prob
Click to expand...
Click to collapse
OK, alcohol swab over shaved chopstick, no change. I followed with 2000 grit sandpaper and another alcohol swab still no change. Any other ideas?
Found an app than shows in phone/circuit voltage and reported charge percentage.
Shown as they come off of an external charger.
Battery_________mV_________%
Original 3647 0
Replacement 3673 0
These both look to be within normal limits for voltage,anyone have a clue, guess or hail-marry maybe as to what would make the charging system react as though both of these batteries were dead?
Thanks
PS. I have seen mention of a Clockworkmod charging bug and it is always followed with a "just search for it", I have searched both here and on Google and have not found anything. If someone could describe the cause, symptoms and a fix for this or provide a link to a description I will happily make a Wiki entry for it.
Today I wiped and formatted everything that had a button in twrp2 and reinstalled stock ROM (takju-jdq39) via the Nexus Root Kit and the phone charged to 14% before it stopped charging. It is turned off now still plugged in, hopefully I will wake to a fully charged phone tomorrow.
Little more info and more questions.
After messing with this over the week I now have 17% battery and some more questions. I tried playing with SL4A to access the system and got some confusing results.
Code:
batteryCheckPresent() = False
batteryGetHealth() = 2 - good
batteryGetLevel() = 17%
batteryGetPlugType() = 2 - power source is a USB port
batteryGetStatus() = 4 - not charging
batteryGetTechnology() = 'Li-ion'
batteryGetTemperature() = 290
batteryGetVoltage() = 3733mV
Can anyone posit a situation with a phone having a battery in good condition, at17% charge and attached to a charger where charging would not be the thing to do?
What is the deal with 'batteryCheckPresent() = False', has anyone used SL4A and seen this? Anyone willing to try, I will pass along the code, just install SL4A, PythonForAndroid, and run the script, report findings.
Again any thoughts, suggestions or questions welcomed.
Thank you
mpluginspace said:
OK, alcohol swab over shaved chopstick, no change. I followed with 2000 grit sandpaper and another alcohol swab still no change. Any other ideas?
Click to expand...
Click to collapse
I just cleaned off the stuffs, dont let any sort of moisture come into the female port, if it helps, then well n good, else the delicate pins have got a bit damaged/out of position, I will rather say go to an expert and get it checked
I have a strange problem, my Gnex does not charge the battery, first i thought that it was the battery so, I tested the battery on other phone and it charged just fine, and then i ordered the usb/charging assemble from ebay and replaced on my gnex, and still not charging the battery, but when i connect the phone to the pc it recognize it immediately, but still won't charge the battery, anybody has an idea of what my problem is?? and how can i solve it?
Please help!!!
http://forum.xda-developers.com/showpost.php?p=27293705&postcount=130
Sent from my Galaxy Nexus using xda app-developers app
After multiple chargers, batteries, charging sub-boards and trip threw a re-flow oven it has been diagnosed as a bad power control chip. I hope that someone can benefit from this experience.
Gabe
Recently successfully replaced the LCD screen on my Acer A100. Device worked fine for some time after that repair. Wanting to get a secondary charger for use at work I went to radio shack. Sales "tech" tried several different adapters, found one that fit inside he port, but wiggled. She plugged it in but device wasn't showing a charge. Decided to order one from online. At home the device still would not charge with its own charger. Thought maybe the charger was faulty. Ordered two more. Still the A100 turned off when charger plugged in. Figured tech had burned out the a/c port. Ordered and installed a new one. Still A100 turns off immediately when charger is plugged in. I have 3 chargers now - same results with all 3. Have now ordered a docking station to utilize (hopefully) charging ability through 40 pin connector.
If this connection creates same shut down am I looking at a battery replacement? AM sitting at 33% battery level now, device shut down completely.
Acer wants 199.00 prepaid to submit to them for repair - this is more than I paid for the device! Not really an expense I am willing to pay if all it needs is a battery. There is no erratic behavior , just immediate shutdown as soon as a charger is connected. Any ideas?
PocketFuzz said:
Recently successfully replaced the LCD screen on my Acer A100. Device worked fine for some time after that repair. Wanting to get a secondary charger for use at work I went to radio shack. Sales "tech" tried several different adapters, found one that fit inside he port, but wiggled. She plugged it in but device wasn't showing a charge. Decided to order one from online. At home the device still would not charge with its own charger. Thought maybe the charger was faulty. Ordered two more. Still the A100 turned off when charger plugged in. Figured tech had burned out the a/c port. Ordered and installed a new one. Still A100 turns off immediately when charger is plugged in. I have 3 chargers now - same results with all 3. Have now ordered a docking station to utilize (hopefully) charging ability through 40 pin connector.
If this connection creates same shut down am I looking at a battery replacement? AM sitting at 33% battery level now, device shut down completely.
Acer wants 199.00 prepaid to submit to them for repair - this is more than I paid for the device! Not really an expense I am willing to pay if all it needs is a battery. There is no erratic behavior , just immediate shutdown as soon as a charger is connected. Any ideas?
Click to expand...
Click to collapse
If its doing it on 3 chargers its sounding more like a board charging circuit issue. You could remove the battery and then see if it behaves normally, that'll be battery or board right there. Or if you have a multi meter test output at the battery connector.
Tapatalked from my HTC DNA - ReVolt
Tried connection without battery
pio_masaki said:
If its doing it on 3 chargers its sounding more like a board charging circuit issue. You could remove the battery and then see if it behaves normally, that'll be battery or board right there. Or if you have a multi meter test output at the battery connector.
Tapatalked from my HTC DNA - ReVolt
Click to expand...
Click to collapse
Don't have a multi meter. Tried connection via new docking station, got same response: device immediately shut off. Tried your suggestion, disconnected battery connected to docking station, got immediate shut off. Same with charger via a/c port. :crying: Mainboard is out? But Device responds and acts normal when in battery mode - or is this isolated to the charging circuit part of the main board?
Thanks for the suggestion!
PocketFuzz said:
Don't have a multi meter. Tried connection via new docking station, got same response: device immediately shut off. Tried your suggestion, disconnected battery connected to docking station, got immediate shut off. Same with charger via a/c port. :crying: Mainboard is out? But Device responds and acts normal when in battery mode - or is this isolated to the charging circuit part of the main board?
Thanks for the suggestion!
Click to expand...
Click to collapse
Sounds like its tripping on the charger circuit and cutting out, like a breaker tripping. IMO look carefully for any shorts on the boards, even something stupid like dog hair can cause strange things to happen. A good blasting with air wouldn't hurt either. It could even be the dock port as it does charge from there and is subject to debris also.
Tapatalked from my HTC DNA - ReVolt
one more try
pio_masaki said:
Sounds like its tripping on the charger circuit and cutting out, like a breaker tripping. IMO look carefully for any shorts on the boards, even something stupid like dog hair can cause strange things to happen. A good blasting with air wouldn't hurt either. It could even be the dock port as it does charge from there and is subject to debris also.
Tapatalked from my HTC DNA - ReVolt
Click to expand...
Click to collapse
Thanks again for more suggestions. Yup I have been over the board and all connections with a looking glass. Changed out the A/C dock port. My suspicion is that when the Radio Shack tech powered up the "Almost fits" adapter it blew whatever breaker the board has.
When I had it connected to the docking station with the battery disconnected, it powered on, then immediately shut off. So this definitely sounds like a "blown fuse". I completely disassembled and reassembled it again (except for the LCD screen) and checked all connections and plugs. Nothing visible to indicate a burnout or cross connection.
No odd smells either. Probably some teensy weensy transistor or resistor or something. I am not an electrician - just good at R & R.
Another visit to ebay and I am parting with 50 bucks for a "factory refurbished" motherboard. In the mean time, my beloved tablet will await further surgery. Will keep you posted. Board should be here by Saturday. I hope so - battery is down to 27%. Thanks again for weighing in!
PocketFuzz said:
Thanks again for more suggestions. Yup I have been over the board and all connections with a looking glass. Changed out the A/C dock port. My suspicion is that when the Radio Shack tech powered up the "Almost fits" adapter it blew whatever breaker the board has.
When I had it connected to the docking station with the battery disconnected, it powered on, then immediately shut off. So this definitely sounds like a "blown fuse". I completely disassembled and reassembled it again (except for the LCD screen) and checked all connections and plugs. Nothing visible to indicate a burnout or cross connection.
No odd smells either. Probably some teensy weensy transistor or resistor or something. I am not an electrician - just good at R & R.
Another visit to ebay and I am parting with 50 bucks for a "factory refurbished" motherboard. In the mean time, my beloved tablet will await further surgery. Will keep you posted. Board should be here by Saturday. I hope so - battery is down to 27%. Thanks again for weighing in!
Click to expand...
Click to collapse
To bad considering the crappy battery life so its not like you can charge some other way and swap the battery around.
Example, I have a bricked unit that charges but doesn't otherwise work, so I mean using my bricked board to charge it and the non charge board for use. The a100 isn't really a good setup for swapping around lol. I may actually be interested in that board now that I think about it...
Tapatalked from my HTC DNA - ReVolt
hmmm an idea for the brave
pio_masaki said:
To bad considering the crappy battery life so its not like you can charge some other way and swap the battery around.
Example, I have a bricked unit that charges but doesn't otherwise work, so I mean using my bricked board to charge it and the non charge board for use. The a100 isn't really a good setup for swapping around lol. I may actually be interested in that board now that I think about it...
Tapatalked from my HTC DNA - ReVolt
Click to expand...
Click to collapse
If I could figure out a way to charge the battery OTHER than through the board - I would! Which got me to thinking. One COULD get a second rear panel, cut a door in it, install teensy weensy hinges or create a hinge with cloth tape. then make some sort of extension cord for the battery charging cord, plug it in to the "external" charging board and refill the battery that way.
With a working board and the right know how, one could just extract the board, put it in a box and make a charger out of it too.
But that is just my brain rattling around ideas. :silly: Hopefully this new "refurbished" mother board will do the trick and I will learn my lesson and NEVER let a sales "tech" attempt trial adapters! at 10 minutes to 9pm tonight it was in Texas....
Until I CANNOT use it, I didn't realize how MUCH I used this little tablet!
now it blinks orange?
Oh fer cryin out loud! The motherboard has arrived, I have installed it. Can plug n the charger and drop it onto the docking station and now I get the same response for both charging options: Charge LED lights up orange solid for just about 60 seconds, then begins blinking. Device doesn't respond when power button is pushed UNLESS it is plugged in, and then it just sits at the "ACER" screen.led changes to blue.
OK, wait a minute, this is the third time I have turned it on while plugged in. Acer screen has moved to Android, Device has started. Battery icon showing a question mark. 23%
Turned off, turned back on, now battery shows only 3%????
Think I saw something on the forums about that. will go on a quest.
Finally charging again!
Shhh, don't want to disturb my device....
Found folks on other forums with similar issues of the Acer A100 tablet showing only 3% charge. I removed and inserted the charging pin several times, the device would show solid orange led for about one minute then start blinking. Turned the device on when charger plugged in, unlocked the screen, then with device still plugged in I shut it down completely. Removed charger. Plugged it back in and so far the led is staying at solid orange.
Please keep your fingers crossed for me! This has been quite the roller coaster ride of discovery. Will leave it be for overnight (what is left of the overnight). Then peek at it in the morning. With any luck at all it will have accepted a full charge and I will be greeted with a functioning device! I almost want to learn a new trade..
well now that is weird, got up this morning to a nice blue charge indicator. Yay! Unplugged charger, press on button, hold, hold, hold, hold, hold and device does not start up. Dang it! Plugged it back in, led went solid orange, then started blinking again! Pressed and held on button. Device came on. battery meter shows 3% and a question mark! HUH?
have device plugged in, settings of course show android version 3.2.1 for this motherboard. Guess I need to upgrade it to ICS maybe that will resolve this weird battery issue? Hope soemone here has ideas, feels like I am soooo close to resolving this.
I read the upper posts.
Now I want to share my experience regarding battery load sharing:
I have allso problems to charge the battery.
I have on my tab, for example, 40% of battery power.
I turn my tab off.
When i plugged the charging cable in it shows me the orange led for load.
After two hours or more i turned the tab on.
It shows me not more than 40% but only 37% or so.
So not loaded. This was a bad sign....
I dont no was happend.
I get a little bit nervous but when the tab not get power it doesnt work....
After two/three hours the battery was empty.
Now i can only start my tab while plugged the charging cabel in because the battery will not load.
I have tried several options to find a solution (disconnect the battery, install a new battery, etc. ....).
My solution was fairly straightforward:
I open the tab. Look where the power comes in.
Of the charging socket go four (two red and two black) cable to the motherboard and from the motherboard it goes seven (two red, two black and for me not so important three other coloured cabels) to the battery.
I organized four thin wire and soldered it from the charging socket directly to the battery (of course red to red black to black ).
The result:
When i plugged the charging cabel in while android is running i get no information to load and it shows me not to.
But when i turned the tab off and on again it shows me that it has the battery charged :fingers-crossed: .
After on night while the charger plugged in the battery is fully loaded!!
And of course i get the information in android the discharging of the battery but this is an normaly thing!
So, the problem to load the battery for me is solved .
I hope it helps a little bit for everyone!
frischeis said:
I read the upper posts.
Now I want to share my experience regarding battery load sharing:
I have allso problems to charge the battery.
I have on my tab, for example, 40% of battery power.
I turn my tab off.
When i plugged the charging cable in it shows me the orange led for load.
After two hours or more i turned the tab on.
It shows me not more than 40% but only 37% or so.
So not loaded. This was a bad sign....
I dont no was happend.
I get a little bit nervous but when the tab not get power it doesnt work....
After two/three hours the battery was empty.
Now i can only start my tab while plugged the charging cabel in because the battery will not load.
I have tried several options to find a solution (disconnect the battery, install a new battery, etc. ....).
My solution was fairly straightforward:
I open the tab. Look where the power comes in.
Of the charging socket go four (two red and two black) cable to the motherboard and from the motherboard it goes seven (two red, two black and for me not so important three other coloured cabels) to the battery.
I organized four thin wire and soldered it from the charging socket directly to the battery (of course red to red black to black ).
The result:
When i plugged the charging cabel in while android is running i get no information to load and it shows me not to.
But when i turned the tab off and on again it shows me that it has the battery charged :fingers-crossed: .
After on night while the charger plugged in the battery is fully loaded!!
And of course i get the information in android the discharging of the battery but this is an normaly thing!
So, the problem to load the battery for me is solved .
I hope it helps a little bit for everyone!
Click to expand...
Click to collapse
I really hope other isn't any voltage or amperage changes needed of that can blow that battery up real quick, plus it can't stop charging, you'll need to monitor that yourself.
Thanks for the info though, it does appear to be yet another somewhat common bug these have that can be addressed by a user if they feel the need to.
Tapatalked from my HTC DNA - ReVolt
Not switch the charger off when the battery is full?
I think the charger there is a shutdown would otherwise overload the battery, right?
Or do this the motherboard?
Anyway, for me the tab is fully working now and if the battery is broken, it is not a big expense to replace them .
frischeis said:
Not switch the charger off when the battery is full?
I think the charger there is a shutdown would otherwise overload the battery, right?
Or do this the motherboard?
Anyway, for me the tab is fully working now and if the battery is broken, it is not a big expense to replace them .
Click to expand...
Click to collapse
I was saying the board is in charge of cutting the battery charge off, not the charger itself so maybe keep an eye on it, its a good way for an explosion or fire.
Tapatalked from my HTC DNA - ReVolt
A100 tablet not charging still
Frischies is much braver than I am.
Wiring the battery direct to the charging port- I would definitely worry about burning up the battery or causing a fire - especially while charging when I sleep. I have had more than my fair share of run ins with fire.
The Motherboard I ordered arrived and I installed it. It was listed as "factory refurbished", but unfortunately will not accept a charge. I thought it had charged overnight at one point, but all it does is blink orange and the battery reads 3% or 0%. Turning the device off when plugged in and doing a reset has not helped. The vendor has been gracious to do a replacement, so I will follow that route until I get a working motherboard.
I have discovered that the docking station will be a welcome addition to my Acer tablet paraphernalia! Although this model docking station isn't the one that allows HDMI throughput, it still will be nice for music, and other media. A Bluetooth keyboard and the tablet will offer yet another computer tool!
First things first though, get the tablet to accept a charge - until then it is a really wide flat paper weight! I am getting VERY adept at opening the tablet and removing the internals!
It is working again! The motherboard sent was defective but vendor issued an RMA. Received the replacement yesterday, installed it last night. Charged over night and fully functional this morning! Ahhh it feels good to have my little buddy back again. Didn't realize how much I used it, until I couldn't use it! Thanks to all for the help.
Sent from my A100 using xda app-developers app
Hi all, my Nexus 5x wont charge but Red led is blinking and then nothing happens, I broke the originale LG type c cable and I left the phone discharged for 5-6 days until the new cable come, and now It wont boot nor charge with no cable or Wall charger combination, searched on web and found people saying to let It in charger overnight then try booting and similar things but nothing is working.
anyone here got this problem?:crying:
Hi, I had the same issue... and charging overnight will not fix your problem....
it happened 5/6 times to my phone, the only way to make it works, was to pull out- pull in the original charger, and after 10/20 times you do this, it will work again.
I bring it to LG assistance and they told me that sometimes, all the updates and the full memory (mine was not full, but 17gb over 32) made this. I didn't believe that, BUT an hard reset of the phone and it never happened again in 3 months
Hope it will work for you too
dimostar said:
Hi, I had the same issue... and charging overnight will not fix your problem....
it happened 5/6 times to my phone, the only way to make it works, was to pull out- pull in the original charger, and after 10/20 times you do this, it will work again.
I bring it to LG assistance and they told me that sometimes, all the updates and the full memory (mine was not full, but 17gb over 32) made this. I didn't believe that, BUT an hard reset of the phone and it never happened again in 3 months
Hope it will work for you too
Click to expand...
Click to collapse
Thanks, I will try, but how much time do I have to wait before pulling out and pull in again the charger?
Can anyone help me please?
I had the same. I forget about phone and left it with TWRP running. It drained all my battery and phone wont turn at all. I had this same red LED, so i plugged phone to charger and after maybe 2 hours it turned back on (charging screen), wnother hour and my nexus was fully restored with full charge.
Also i recommend you to get original charger and original usbc cable. Also before it you can hold power button for 30 sec. In some Xperia phones even a few days can do a trick.
Finally understanded the problem Thanks to "Dusan Milanovic"
In my case it was:
- 50% Battery problem
- 50% Qualcomm Power IC Chip
How I solved it:
I AM NOT RESPONSIBLE FOR EVERY DAMAGE YOU MAKE TO YOUR PHONE, HOUSE, GRANDMA.
REQUIREMENTS:
- Alluminium foil (biscuit metallic paper) not plastic
- Hairdryer (It seems stupid ahah)
- Chronometer
- Attention!
- A bit of patience
BATTERY PHASE
- Open the Phone and remove Fingerprint board.
- Remove the Battery.
- Put the battery on an universal charger.
(do this only if you are sure that the battery is discharged and don't want to charge)
Let it charge for an hour more and less.
POWER IC CHIP. PHASE
- Remove the metallic protection between the camera and the battery slot.
- Look for a black chip surrounded by little grey chips. (POWER IC)
- Protect everything in the motherboard with the Alluminium foil except for the black chip.
BE VERY CAREFUL, PROTECT EVERY SINGLE GREY CHIP NEAR THE POWER IC CHIP.
-Prepare the Chronometer 1 minute.
(NOT MORE THAN 2 MINUTES OR YOU MAY SERIOUSLY DAMAGE THE MOTHERBOARD)
-Use the Hairdryer to heat the POWER IC CHIP
(DO NOT USE HEATGUN). The chip needs to reach around 100°C
-After you heated the chip let it cool down for a minute or two
-Remount the metallic protection.
LAST PHASE
- Put the battery on the phone
- close everything
- Try to boot it
ALL DONE?:highfive:
POSSIBLE PROBLEMS
- always shows 100% battery. → buy a new battery( this one is Dead)
-Doesn't boot.↓
→Are you sure your battery is charged?
No: charge it externally (BE VERY CAREFUL THIS COULD BE VERY DANGEROUS)
Yes: then try to heat again the POWER IC CHIP (2 MINUTES MAX)
→Still nothing?
- Buy a new Battery, this is the best choice.
- If even after you use the new Battery the Phone doesn't boot , just heat again that pain in the ass of a ic CHIP.
MounirHero said:
Finally understanded the problem Thanks to "Dusan Milanovic"
In my case it was:
- 50% Battery problem
- 50% Qualcomm Power IC Chip
How I solved it:
I AM NOT RESPONSIBLE FOR EVERY DAMAGE YOU MAKE TO YOUR PHONE, HOUSE, GRANDMA.
REQUIREMENTS:
- Alluminium foil (biscuit metallic paper) not plastic
- Hairdryer (It seems stupid ahah)
- Chronometer
- Attention!
- A bit of patience
BATTERY PHASE
- Open the Phone and remove Fingerprint board.
- Remove the Battery.
- Put the battery on an universal charger.
(do this only if you are sure that the battery is discharged and don't want to charge)
Let it charge for an hour more and less.
POWER IC CHIP. PHASE
- Remove the metallic protection between the camera and the battery slot.
- Look for a black chip surrounded by little grey chips. (POWER IC)
- Protect everything in the motherboard with the Alluminium foil except for the black chip.
BE VERY CAREFUL, PROTECT EVERY SINGLE GREY CHIP NEAR THE POWER IC CHIP.
-Prepare the Chronometer 1 minute.
(NOT MORE THAN 2 MINUTES OR YOU MAY SERIOUSLY DAMAGE THE MOTHERBOARD)
-Use the Hairdryer to heat the POWER IC CHIP
(DO NOT USE HEATGUN). The chip needs to reach around 100°C
-After you heated the chip let it cool down for a minute or two
-Remount the metallic protection.
LAST PHASE
- Put the battery on the phone
- close everything
- Try to boot it
ALL DONE?:highfive:
POSSIBLE PROBLEMS
- always shows 100% battery. → buy a new battery( this one is Dead)
-Doesn't boot.↓
→Are you sure your battery is charged?
No: charge it externally (BE VERY CAREFUL THIS COULD BE VERY DANGEROUS)
Yes: then try to heat again the POWER IC CHIP (2 MINUTES MAX)
→Still nothing?
- Buy a new Battery, this is the best choice.
- If even after you use the new Battery the Phone doesn't boot , just heat again that pain in the ass of a ic CHIP.
Click to expand...
Click to collapse
I followed you steps and successful got it to work , but now it is showing that charger is pluged in but not charging, the charging symbol comes bit of does not charge , I even went into cpuid and saw that the status was not charging but plunged in ac power , I am ready to buy a new a battery but will it solve my issue of is it a pin connector issue
dimostar said:
Hi, I had the same issue... and charging overnight will not fix your problem....
it happened 5/6 times to my phone, the only way to make it works, was to pull out- pull in the original charger, and after 10/20 times you do this, it will work again.
I bring it to LG assistance and they told me that sometimes, all the updates and the full memory (mine was not full, but 17gb over 32) made this. I didn't believe that, BUT an hard reset of the phone and it never happened again in 3 months
Hope it will work for you too
Click to expand...
Click to collapse
MounirHero said:
Thanks, I will try, but how much time do I have to wait before pulling out and pull in again the charger?
Click to expand...
Click to collapse
I got the same issue tried changing battery but nothing changed
When phone turns on backup your files when you are in time
dimostar said:
Hi, I had the same issue... and charging overnight will not fix your problem....
it happened 5/6 times to my phone, the only way to make it works, was to pull out- pull in the original charger, and after 10/20 times you do this, it will work again.
I bring it to LG assistance and they told me that sometimes, all the updates and the full memory (mine was not full, but 17gb over 32) made this. I didn't believe that, BUT an hard reset of the phone and it never happened again in 3 months
Hope it will work for you too
Click to expand...
Click to collapse
HARD RESET instructions or link you followd that worked drop below
I just had the same thing happen. Using the original charger I kept on charging then trying again and again. I would leave it overnight unplugged from the charger. I think the battery was draining due to screen not coming on but phone booting over and over. Finally after about 6 times, I saw a battery symbol, then pressing power it came on as if everything was just fine.
I found another way, though be careful. Repeatedly unplugging/replugging did not help. Disassembled phone (lots of guides), unplugged battery. Measured 2.96v - too low for lipo. Used lipo charger (100mah) to boost charge to 3.2v. Reassembled, and it charged OK.
Cause is probably voltage dropped below the low charge threshold for lipo charging cct onboard. Lipos are very tricky to charge - lots of papers on this. In theory Nexus should have shut itself down before voltage dropped that low - but it didn't. Design flaw.
i had red blinking but battery was empty.
since in bootloop it will not charge, after i repaired reflow and patched the boot
to 4 core it worked perfect.
so if someone comes here and wonders, it might not be the charging chip
just the battery empty
Hey guys, so this morning my OP3 was dead, so far nothing out of the ordinary, I figured it could be empty by now.
But it won't charge. Not on a power bank, not on the official charger, not on USB.
When a cable is plugged it turns on automatically, shows 50% battery charged symbol, before going black, no charging led on.
Sometimes it will post the low battery warning for a short moment before, with the charging led on, then proceeding as above.
My device is unlocked, so I have the usual 5-second boot menu, if I choose to restart, it won't boot, but always come back to this menu after the 5 seconds passed, I don't get until the boot animation.
The device is running LOS 15.1, Franco Kernel, newest Magisk, and TWRP. I tried getting into TWRP to let it charge there, but I don't get past the TWRP animation.
I do however get into fastboot and it will sit there without a problem.
I did open the device and measured the battery, it is somewhere around 3.5-3.6V, that leads me to believe it is in fact not empty and I have a different problem here. I thought they discharge at least down to 3.3V
EDIT: I discovered, that without a cable it will not even turn on, show low battery or anything. The battery connector seems ok and the battery measures 3.59V
Any suggestions? Thanks a lot already
Try this. https://forums.oneplus.com/threads/guide-mega-unbrick-guide-for-a-hard-bricked-oneplus-3.452634/
Hey man, thanks for the reply. You think this might be what i am looking for? A software issue? I mean i can get into fastboot on a cable. My concern is the phone not responding to a power button press without being connected to a cable at a half full battery. not a damaged power ic chip or something?
felixchris said:
Hey guys, so this morning my OP3 was dead, so far nothing out of the ordinary, I figured it could be empty by now.
But it won't charge. Not on a power bank, not on the official charger, not on USB.
When a cable is plugged it turns on automatically, shows 50% battery charged symbol, before going black, no charging led on.
Sometimes it will post the low battery warning for a short moment before, with the charging led on, then proceeding as above.
My device is unlocked, so I have the usual 5-second boot menu, if I choose to restart, it won't boot, but always come back to this menu after the 5 seconds passed, I don't get until the boot animation.
The device is running LOS 15.1, Franco Kernel, newest Magisk, and TWRP. I tried getting into TWRP to let it charge there, but I don't get past the TWRP animation.
I do however get into fastboot and it will sit there without a problem.
I did open the device and measured the battery, it is somewhere around 3.5-3.6V, that leads me to believe it is in fact not empty and I have a different problem here. I thought they discharge at least down to 3.3V
EDIT: I discovered, that without a cable it will not even turn on, show low battery or anything. The battery connector seems ok and the battery measures 3.59V
Any suggestions? Thanks a lot already
Click to expand...
Click to collapse
i had the same problem a few months back.
Flashing helped me resolve this..although i has to reflash 2-3 times
Okay guys for everyone that has this problem in the future:
It is possible that your battery is not properly connected, check that first. The behavior basically suggests that your device believes it has no battery.
For me it turned out to be a blown chip that is related to Voltage Ampflification/Control. In the end I swapped mainboards with a smashed device from ebay. about 70€
There are 3 possible solutions for this issue.
1: replace battery.
2: change the ROM for one that changes the Kernel for a version without this temperature protection.
3: fix or replace the main board.
To fix the main board you need to check 2 things on it.
On the left side of the battery connector (under a double sided glue tape foam), there are some SMD. The lowest two are related with this problem. I fix my board resoldering the one on the right (nearest to the connector). Be aware that the SMD is small and when are desoldered, it gets sticked on the double sided glue tape foam. I took a picture of it, but i don't know how to insert here.