Develop Bugs

what does mean a very fast flashing red led

hey guys i just bought a new battery for my jasjar, the phone isnt booting even if the charger is plugged in, it only boot for like 6 seconds before it turn off again, even if i charged the new battery for 10 hours, even there is no orange led tell that the battery is charging... i plugged the phone into the USB cable with the pc and a fast flashing red light comes from the led (like 3 flashes per second) so what is the problem? is the new battery damaged or what? please help

djgaby said:
hey guys i just bought a new battery for my jasjar, the phone isnt booting even if the charger is plugged in, it only boot for like 6 seconds before it turn off again, even if i charged the new battery for 10 hours, even there is no orange led tell that the battery is charging... i plugged the phone into the USB cable with the pc and a fast flashing red light comes from the led (like 3 flashes per second) so what is the problem? is the new battery damaged or what? please help
Click to expand...
Click to collapse
In all probability you have received a deffective battery. Please obtain a replacement or refund.

djgaby said:
hey guys i just bought a new battery for my jasjar, the phone isnt booting even if the charger is plugged in, it only boot for like 6 seconds before it turn off again, even if i charged the new battery for 10 hours, even there is no orange led tell that the battery is charging... i plugged the phone into the USB cable with the pc and a fast flashing red light comes from the led (like 3 flashes per second) so what is the problem? is the new battery damaged or what? please help
Click to expand...
Click to collapse
red light means extremely low batt.....guess your battery is faulty

i got the same thing.
and no it's not the battery.
it's the charging circuit on the main hardware isn't working.
open your phone and check the five small wires that they connect the mini usb to the main mother board, one of them must be cut.

Ninlour said:
i got the same thing.
and no it's not the battery.
it's the charging circuit on the main hardware isn't working.
open your phone and check the five small wires that they connect the mini usb to the main mother board, one of them must be cut.
Click to expand...
Click to collapse
so, is there a solution to this? or there really is nothing more for the device but the trash bin or for spare parts?

Have you tried this?
http://wiki.xda-developers.com/index.php?pagename=UniversalBatteryIssue
If you already replaced the battery and nothing, and you want to get rid of dear Uni place it for sell in parts on marketplace, a lot of people will go for it!

djgaby said:
hey guys i just bought a new battery for my jasjar, the phone isnt booting even if the charger is plugged in, it only boot for like 6 seconds before it turn off again, even if i charged the new battery for 10 hours, even there is no orange led tell that the battery is charging... i plugged the phone into the USB cable with the pc and a fast flashing red light comes from the led (like 3 flashes per second) so what is the problem? is the new battery damaged or what? please help
Click to expand...
Click to collapse
I had exactly the same thing with my old battery,after my try to discharge it with a lil electro-motor. then i found a post of a guy with the same thing,who fixed it-by "zapping" the UNI battery with a 9V battery,connecting + to + and - to -,for a few second. I tried it without thinking twice. It worked for me. Dunno how and why,but it did. I use the battery again,normal. But beware,it is dangerous to play with this type of battery,it can explode. Do a search on this subject and you will see

I agree with keeping_sg
how long have you left your uni on the charger?
just plug it in and leave it on the charger all night and see what happens.

I bought yesterday a 4800mAh battery from Hong Kong... 10 euros included shipping + FREE black back cover

Good battery life but still prefer to carry 2 original sized batts rather than get that big one, making even bigger our Uni
Respectfully,

Yes, that absolutely means your battery is dead. Try charging for a few more hours and then turn on your PocketPC. If the error persists, try changing the battery.
Regards,
Carty..

Yes, that absolutely means your battery is dead. Try charging for a few more hours and then turn on your PocketPC. If the error persists, try changing the battery.
Regards,
Carty..

Charging Battery Problem HTC

I've tried and installed a few ROM's from this website and since today I can't seem to charge my HTC when the battery is running low.
Whenever i put it on Charge on the cable it won't show the charging icon on my phone and it doens't gain any energy.
This is what happens:
When i plug my phone to adapter the "ring" on the HTC touch diamond glows 3(!) times which means it charges it for aslong the ring glows (3 times). But after 3 glows it doens't glow anymore and which means it stops charging.
Also when the device is OFF and it stops charging after 3 times the ring glows (about 10 secs?) i can press the ON button and it charges it again for 10 seconds. The funny thing is that it also re-starts itself automatically every like .. 1-2 minutes and shuts off again.
Does anyone know why this happens? Please help
Thanks

have you tried replacing the cable, cradle or even the adapter? Check their contacts or pins carefully! Maybe you got dust particles in there.
Oh, does it get charged upon connection to your computer? Are you using the same cable?

kimo_ig said:
have you tried replacing the cable, cradle or even the adapter? Check their contacts or pins carefully! Maybe you got dust particles in there.
Oh, does it get charged upon connection to your computer? Are you using the same cable?
Click to expand...
Click to collapse
No it doensn't get charged when i connect it to the computer. And yes i tried several other cables and connected them to computer and adapter but still not charging.
I really don't know what to do

hey buddy if u r using htc diamond i m sure after changing the rom u wouldnt b able to charge from pc bcoz some cooks use a tweak which disables charging through pc...do one thing download advanced config 3.3 or 3.2 then go to power management u can find a option to enable or disable charging from pc....

harshang2007 said:
hey buddy if u r using htc diamond i m sure after changing the rom u wouldnt b able to charge from pc bcoz some cooks use a tweak which disables charging through pc...do one thing download advanced config 3.3 or 3.2 then go to power management u can find a option to enable or disable charging from pc....
Click to expand...
Click to collapse
I can't get my phone ON because the battery is out and i can't charge it because it won't let me.
What do i do?

YamaIB said:
I can't get my phone ON because the battery is out and i can't charge it because it won't let me.
What do i do?
Click to expand...
Click to collapse
When the phone is turned off put it in charge then turn on your phone,go to backlight options and there should be "When device is turned on,do not charge the battery when connected to the PC" untick this then re try

HELICOPTER88 said:
When the phone is turned off put it in charge then turn on your phone,go to backlight options and there should be "When device is turned on,do not charge the battery when connected to the PC" untick this then re try
Click to expand...
Click to collapse
Yep i done that, but my phone can't get charge from anywhere. Not from USB to PC and nor from just putting it in the adapter.
I'll tell what happens:
When i plug my phone to adapter the "ring" on the HTC touch diamond glows 3(!) times which means it charges it for aslong the ring glows (3 times). But after 3 glows it doens't glow anymore and which means it stops charging.
Also when the device is OFF and it stops charging after 3 times the ring glows (about 10 secs?) i can press the ON button and it charges it again for 10 seconds. The funny thing is that it also re-starts itself automatically every like .. 1-2 minutes and shuts off again.
It's a weird problem and I'm really stuck with this and don't know what to do. I'd prefer not paying 30$ to buy another battery if that's the problem. If anyone else has advice then PLEASE give them.

YamaIB said:
Yep i done that, but my phone can't get charge from anywhere. Not from USB to PC and nor from just putting it in the adapter.
I'll tell what happens:
When i plug my phone to adapter the "ring" on the HTC touch diamond glows 3(!) times which means it charges it for aslong the ring glows (3 times). But after 3 glows it doens't glow anymore and which means it stops charging.
Also when the device is OFF and it stops charging after 3 times the ring glows (about 10 secs?) i can press the ON button and it charges it again for 10 seconds. The funny thing is that it also re-starts itself automatically every like .. 1-2 minutes and shuts off again.
It's a weird problem and I'm really stuck with this and don't know what to do. I'd prefer not paying 30$ to buy another battery if that's the problem. If anyone else has advice then PLEASE give them.
Click to expand...
Click to collapse
Maybe is the cable...a normal mini-usb cable is good..and i think you could buy one of them at a cheap price
Sent from my MSM using XDA App

HELICOPTER88 said:
Maybe is the cable...a normal mini-usb cable is good..and i think you could buy one of them at a cheap price
Sent from my MSM using XDA App
Click to expand...
Click to collapse
I've used short, long, medium cables, and I've also used different sort of adapters but nothing seems to work.
The only thing that COULD be it is either something wrong in the ROM or the battery.

First time i heard of this.
1) It wont charge from the adapter or the pc via usb
2) The charging led shows action for a short time then stops
When the phone is OFF it should charge regardless of what modifications have been done to the operating system since the OS is not active.
Have the phone inspected especially the mini usb port, i think its not just the battery.
It could be either the mini usb port or the battery or the charging circuit in the phone needs a part to be changed.
It looks like a hardware problem.
On the flipside, wherever you get the phone inspected bring the battery with you and see if it will charge on their universal chargers.
Most cellphone techinicians have a universal charger which will charge any battery even without the cellphone it was designed for.
See if it will fully charge and then insert it into the phone.
Now if the battery did charge fully and the phone doesnt have a hardware problem, then you can conclude that its the rom.
Go back to standard official rom from HTC and observe if its behaving normally.
But im betting there is a hardware problem.

Me either...
Sometimes i get the same problem, but i keep on trying to charge, acn then it do!!! you have to be persistent.... leave the phone pluged int AC over the night... try to remove the battery while charging... one time, it will start charging... THAT IS what happens to me... (after upgrading rom and spl)

Same Problem With my Orbit 2
I am having the same problem. Now my battery can be charged just with the universal portable charger. I take out my battery from Handset and plug it into Universal Charger. Actually my problem started after the uninstalling the Android Nand.
After that I tried different roms but problem is still there.

Galaxy Nexus not charging !!

My gnex is not charging..i plug in and the battery symbol doesnt show charging..when i check battery in settings it shows not charging instead of discharging.
Another thing is that if i switch it off and plug in the white charging symbol occurs but after an hour when i switch on the battery is at the same percentage..
pls help :'(

Ive had those same issues..I went to charge it on my car charger and it instantly began working. The very next day I tried my hone charger again and it would work..Crazy thing is when the home charger wasn't working for my GNEX, it would charge my girlfriends phone just fine!!
Sent from my Galaxy Nexus using xda app-developers app

tea_dub84 said:
Ive had those same issues..I went to charge it on my car charger and it instantly began working. The very next day I tried my hone charger again and it would work..Crazy thing is when the home charger wasn't working for my GNEX, it would charge my girlfriends phone just fine!!
Sent from my Galaxy Nexus using xda app-developers app
Click to expand...
Click to collapse
http://productforums.google.com/forum/#!topic/mobile/RahZtFg39DU[1-25]
looks like many have this issue

Same happened with my friends nexus.. Any solutions...?

vjz567 said:
Same happened with my friends nexus.. Any solutions...?
Click to expand...
Click to collapse
no idea..this issue is very annoying

There's a goddamn thread a day on this
Not kidding. One day Galaxy Nexuses will go extinct because of this!
Sent from my Galaxy Nexus using xda app-developers app

Have had a charging issue as well, and solved it.
Hey there,
my SGN was not charging at all not even when turned off, started two days ago, the first evening it was only charging on one out of my three USB cables (each cable has its own wall charger).
Also my PC with "Win 8 Pro" was not recognizing my phone at all.
My first try was a bit stupid, but it worked, well for one day only. I bite on the USB cable, so the part that goes in the phone was a bit deformed, and the SGN was charging again. \o/
Next evening, I had the same problem again, but this time, non of my three cables was able to charge, even after further deforming tries.
My final solution was to use a needle, stick it in the USB port on the phone and bend the small "tongue" a bit up, so it was exactly in the middle.
My Phone was off and the battery removed. I put all together again and plugged the USB cable back in, it started charging while off.
Then I just turned it on, after booting was almost done, my PC told me that my SGN is connected and it was still charging.
I removed the cable, plugged it back in, several times, also on all three charger with its cables, finally my problem seems to be resolved.
btw. My SGN is from November 2011, so one of the first here in Europe.
I hope this can help some other with the same problem.
Kind Regards from Germany,
Milex84

MiLeX84 said:
Hey there,
my SGN was not charging at all not even when turned off, started two days ago, the first evening it was only charging on one out of my three USB cables (each cable has its own wall charger).
Also my PC with "Win 8 Pro" was not recognizing my phone at all.
My first try was a bit stupid, but it worked, well for one day only. I bite on the USB cable, so the part that goes in the phone was a bit deformed, and the SGN was charging again. \o/
Next evening, I had the same problem again, but this time, non of my three cables was able to charge, even after further deforming tries.
My final solution was to use a needle, stick it in the USB port on the phone and bend the small "tongue" a bit up, so it was exactly in the middle.
My Phone was off and the battery removed. I put all together again and plugged the USB cable back in, it started charging while off.
Then I just turned it on, after booting was almost done, my PC told me that my SGN is connected and it was still charging.
I removed the cable, plugged it back in, several times, also on all three charger with its cables, finally my problem seems to be resolved.
btw. My SGN is from November 2011, so one of the first here in Europe.
I hope this can help some other with the same problem.
Kind Regards from Germany,
Milex84
Click to expand...
Click to collapse
could u please post a photo of what u did? I've the same problem
Thanks

MiLeX84 said:
Hey there,
My final solution was to use a needle, stick it in the USB port on the phone and bend the small "tongue" a bit up, so it was exactly in the middle.
Kind Regards from Germany,
Milex84
Click to expand...
Click to collapse
I had the same problem, GNex quit charging. Fixed it by using a toothpick to gently move the "tongue" in the USB port up towards the LED (screen side). I used a wooden toothpick as I didn't know what would happen if the connectors shorted using something metal.
Apparently, moving the USB plug around when it is in the port can move things out of alignment. Very easy fix, takes less than one minute. You could use a plastic pen cap or whatever you have lying around as a tool.
If you are under warranty, you could always ask for a replacement.

I had this problem a while back, first only some chargers would work and finally none of my chargers worked. In my case it seems like the problem was pocket lint tightly packed at the back of the usb port. The lint was grey and so tightly packed that I couldn't see any thing wrong. I used a fine tooth pick and got a good size wad out and the charging problem was solved. I always thought that the lint prevented the usb cable to be fully seated but maybe I bent the "lip" while trying to get the lint out
Sent from my Galaxy Nexus using Tapatalk 2

Well, I've left my phone on charge with the adapter charger and it was recharged. Now it seems to work also through usb

I got a new Gnex today because of this same issue. It would randomly not charge no matter what charger is was using. What's weird though is I never had an issue transferring files to my Mac and vice versa.
Sent from my Galaxy Nexus using Tapatalk 2

Jolle_1 said:
I had this problem a while back, first only some chargers would work and finally none of my chargers worked. In my case it seems like the problem was pocket lint tightly packed at the back of the usb port. The lint was grey and so tightly packed that I couldn't see any thing wrong.
Click to expand...
Click to collapse
had the same issue, was charging only on PC-USB, I used a safety pin and removed a lot of lint. Works fine now.

britoso said:
had the same issue, was charging only on PC-USB, I used a safety pin and removed a lot of lint. Works fine now.
Click to expand...
Click to collapse
Thought that was lint but in my case even removing the lint it wont charge CORRECTLY -- with the original charger (it was uncharging after some movement).
Then I realize that forcing the usb plug to go more inside the USB port it works. What I did: Removed the black protection because it block the plug to go more inside the phone port. It's now metalic (lol) but not a problem of charging anymore.

I'd buy some heat shrink tubing for that before you cause a fire .
Sent from my Galaxy Nexus using Tapatalk 2

Sometimes it happens to me when battery's charged at 98-99%. Don't know the reason, and what I can do is to remove cable, reconnect it

dbleti said:
Sometimes it happens to me when battery's charged at 98-99%. Don't know the reason, and what I can do is to remove cable, reconnect it
Click to expand...
Click to collapse
Unfortunately, all that really does is shorten the battery's life. There is no benefit to forcing it to that feel good display of 100%.
Sent from my Galaxy Nexus using Tapatalk 2

Here's my full experience with my Galaxy Nexus charging problem --
I bought this one eBay, came with 4.1.2. Didn't even test charging before I updated it to stock 4.2.2 and rooted it, so I'm not sure if the problem developed after my software update, or if it always had that problem. The eBayer said he didn't know anything about it. I'm on stock rooted 4.3 now, and the problem persists.
The phone has never charged on any of the several AC adapters I've tried. These have been between 250ma and 1A, and they wouldn't work whether the phone was on or off. It would consistently charge when connected to my desktop computer, but that all changed a few weeks ago when I changed out my computer's power supply. Now, the only one trick I've found is to turn on WiFi, BT, GPS, and put the screen at 100% brightness, then plug connect my computer's USB cable, and it will go into charging mode about 35-50% of the time. This works OK, but one extra annoying bit is that when the battery reaches 100%, it stops charging, and won't start again until I do my little trick and replug the USB.
I tried replacing the USB port, but that didn't fix anything. As far as I can tell, that's the only part that can be easily replaced by a normal person. I'm basically managing this by swapping in batteries charged by an external charger.

Got major issue all of sudden and phone won't start anymore
I have been tweaking with my phone customizing it for like one year and didn't had any problem. I flashed with KitKat gummy ROM and then reverted back to 4.3 stock jellybean using ROM manager installed previous saved 4.3 stock rooted ROM.
Further installed clean master and did some advanced cleaning of cache files. WELL after reverting back I started witnessing some major flaws with battery charging status earlier with KitKat I wasn't using any battery saver app but after reverting back to 4.3 I installed DU battery saver and it would like take ages to charge my battery like 7-8 hrs but I wasn't paying much attention to this. I did some advanced cleaning with clean master, but anyways that won't clean any system files that would hinder the functionality of phone right?Problem started cropping up as I detached my power cable without switching off the supply ( even though I had done this previously many times before) , phone flickered/froze and switched off and won't start without external power supply even though i had 57% battery charge that too showed random status, sometimes 0% and sometimes 50+ %. This went looping for sometime then like it won't switch on even with power supply, just showing for a sec the battery symbol with bolt sign when the charging cable is inserted and going blank within 5 sec . It would show the battery icon sometimes and sometimes no sign just plain blank..
Well I tried different ways as suggested like pushing the small tongue inside USB to middle or attaching to laptop w/o battery and putting back n starting but all in vain, no response.
I am not sure any major fault has cropped in the charging circuit or is the phone bricked? Battery dead?
Guys do give some suggestions.. I have been charging using diff usb cables, no response but just that battery symbol for 5sec n going blank..even though i have been charging the phone is getting heated..but does that imply anything?
do provide some insights guys
Thanks in advance!

Once it worked and now not working
MiLeX84 said:
Hey there,
my SGN was not charging at all not even when turned off, started two days ago, the first evening it was only charging on one out of my three USB cables (each cable has its own wall charger).
Also my PC with "Win 8 Pro" was not recognizing my phone at all.
My first try was a bit stupid, but it worked, well for one day only. I bite on the USB cable, so the part that goes in the phone was a bit deformed, and the SGN was charging again. \o/
Next evening, I had the same problem again, but this time, non of my three cables was able to charge, even after further deforming tries.
My final solution was to use a needle, stick it in the USB port on the phone and bend the small "tongue" a bit up, so it was exactly in the middle.
My Phone was off and the battery removed. I put all together again and plugged the USB cable back in, it started charging while off.
Then I just turned it on, after booting was almost done, my PC told me that my SGN is connected and it was still charging.
I removed the cable, plugged it back in, several times, also on all three charger with its cables, finally my problem seems to be resolved.
btw. My SGN is from November 2011, so one of the first here in Europe.
I hope this can help some other with the same problem.
Kind Regards from Germany,
Milex84
Click to expand...
Click to collapse
Thanks for the awesome solution. It worked for me before a week. I faced the same problem and now this trick is not working for me ;(. Please help me out.

charging issue

hi, i hav been facing charging prob, my does not charge whn its remain on rather drains batt more quick but it was charging whn i turn it off but slow. i thought its the issue of sense 5 so i degrade to sense 4+ viper 3.8 but it got worse. idrained my batt and than put to wall charge for whole night but the charging led kept blinking and than it disappeared than again i unpluged and plug the cable to phn than it starts blinking and than again blinking of led disappeared. i thought it will take time to become stable so i left it charge for whole night. in the morning led was disappeared and i tried to turning phn on but it did not respond. than i plug it to pc and it started blinking without disappearing of led. i left it for the whole day to charge but the led didnt turned to green due curiosity i turned phn on and batt lvl showed 20% ......so plzz any 1 tell me wht can be the solution of the problem plzzzzzzzz:crying::crying::crying:

You probably have a dead battery...Someone who has seen this problem before could confirm.
The way you write is pretty hard to read, so you might wait a while until someone does confirm this .

1. Never charge the phone for the whole night.
2. I had the same problem. I changed my charger and now, it is perfectly charging. Try it.

Anish Shah said:
1. Never charge the phone for the whole night.
2. I had the same problem. I changed my charger and now, it is perfectly charging. Try it.
Click to expand...
Click to collapse
thanx for suggestion, how much do i hav to pay for a new charger??

But you said you left it to charge via USB cable on your PC and it didn't charge properly. If you used the same USB cable with the charger, then the cable might be to blame. You should try a friends cable before buying a new charger.
If the charger does not work with the same USB cable you used to connect to the PC, your battery is most probably dead.

Anish Shah said:
1. Never charge the phone for the whole night.
2. I had the same problem. I changed my charger and now, it is perfectly charging. Try it.
Click to expand...
Click to collapse
Charging all night isn't an issue.
The battery will charge to 100% then drop to 95% and back up, will cause no damage.
Also smaller and often charges are better for the battery as it slows the formation of crystals so the battery holds its capacity longer.
Sent from my HTC One X using xda app-developers app

unikulkiss said:
But you said you left it to charge via USB cable on your PC and it didn't charge properly. If you used the same USB cable with the charger, then the cable might be to blame. You should try a friends cable before buying a new charger.
If the charger does not work with the same USB cable you used to connect to the PC, your battery is most probably dead.
Click to expand...
Click to collapse
using different cable phn is getting charge but the charging speed is very slow, in 6 hrs it has charged only 64% and dont know wht to blame batt or charger???

solidsnakecod4 said:
using different cable phn is getting charge but the charging speed is very slow, in 6 hrs it has charged only 64% and dont know wht to blame batt or charger???
Click to expand...
Click to collapse
If you have used 2 different cables to charge and none worked properly, that is probably too big of a coincidence. Your phone has something broken; it's either the battery or the charging circuit in the phone. You should take it to a specialized phone service to see what's wrong. They will also try charging it before disassembling, and if there's nothing wrong with the phone, they probably won't even charge you anything.
If indeed they have to disassemble it, you should ask them if there will be any visible differences once they assemble is back. I had a cracked digitizer on my old One X and took it to service and replaced the display+digitizer(they come together) and, although the screen was new, it did not fit as snugly as before, so you could see light leaking out the side margins of the display.
They probably had many of these phones under repair and should know if this will be the case with your phone.

unikulkiss said:
If you have used 2 different cables to charge and none worked properly, that is probably too big of a coincidence. Your phone has something broken; it's either the battery or the charging circuit in the phone. You should take it to a specialized phone service to see what's wrong. They will also try charging it before disassembling, and if there's nothing wrong with the phone, they probably won't even charge you anything.
If indeed they have to disassemble it, you should ask them if there will be any visible differences once they assemble is back. I had a cracked digitizer on my old One X and took it to service and replaced the display+digitizer(they come together) and, although the screen was new, it did not fit as snugly as before, so you could see light leaking out the side margins of the display.
They probably had many of these phones under repair and should know if this will be the case with your phone.
Click to expand...
Click to collapse
thnx bro, my phn is fully charged now but ill be visiting service center..

You can use/try every USB charger and cable you have in your house, I also charge my HOX with my iPad charger (only different cable ) no porblem at all. And it's no problem to charge your phone the whole night.

[Q] USB port damage? Causing it to think it is always charging

Okay, this is a weird one that I researched and researched on the web. I think the problem is somehow related to the USB port. It would seem that my handset thinks it is always charging. I should qualify that statement by saying that with the handset unplugged from the charger and checking the SETTINGS > BATTERY stats it says "0 seconds on the battery" presumably meaning that the handset thinks it has a freshly charged battery and no time has expired since removal of the charger. However, it knows it isn't charging because it also says "89% Not charging". The other weird thing is the handset doesn't screen timeout when unplugged from the charger. That is, I have to hit the lock button to turn the screen off otherwise the 15 second delay doesn't work. I've also checked the developer settings to verify it isn't set to force the screen to stay on. However, the 15 second screen timeout delay works perfectly when the handset is plugged into the charger. After 15 seconds the screen shuts off and the red LED charging light comes on. Lastly, with the handset sitting idle with the screen black if I receive a phone call or text message but just leave the handset sitting there the screen lights up but it never times out after 15 seconds.
Any ideas if this is a USB port problem. I know it sounds like a firmware problem but I've checked just about everything you can think of. I've gone as far as to root my phone, backup all my stuff, then re-flash JellyBean. Speaking of USB port. Has anyone changed one out on a S2 Epic Touch 4G? I know that other S2's have a USB flex cable assembly but I can't seem to find one for this particular handset.

SyberTiger said:
Okay, this is a weird one that I research and research on the web. I think the problem is somehow related to the USB port. It would seem that my handset thinks it is always charging. I should qualify that statement by saying that with the handset unplugged from the charger and checking the SETTINGS > BATTERY stats it says "0 seconds on the battery" presumably meaning that the handset thinks it has a freshly charged battery and no time has expired since removal of the charger. However, it knows it isn't charging because it also says "89% Not charging". The other weird thing is the handset doesn't screen timeout when unplugged from the charger. That is, I have to hit the lock button to turn the screen off otherwise the 15 second delay doesn't work. I've also checked the developer settings to verify it isn't set to force the screen to stay on. However, the 15 second screen timeout delay works perfectly when the handset is plugged into the charger. After 15 seconds the screen shuts off and the red LED charging light comes on. Lastly, with the handset sitting idle with the screen black if I receive a phone call or text message but just leave the handset sitting there the screen lights up but it never times out after 15 seconds.
Any ideas if this is a USB port problem. I know it sounds like a firmware problem but I've checked just about everything you can think of. I've gone as far as to root my phone, backup all my stuff, then re-flash JellyBean. Speaking of USB port. Has anyone changed one out on a S2 Epic Touch 4G? I know that other S2's have a USB flex cable assembly but I can't seem to find one for this particular handset.
Click to expand...
Click to collapse
I had a similar issue a while back. All I did was clean out the gunk built up in the usb port with a wooden toothpick and the issue any away

Surj138 said:
I had a similar issue a while back. All I did was clean out the gunk built up in the usb port with a wooden toothpick and the issue any away
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I had tried the toothpick trick that you and others had recommended. In fact it did make a positive difference but I still noticed there were still some strange things going on. I went back a second time but this time with a sewing needle and some magnifier glasses and picked it clean of lint and other junk. Of course with was done with the battery uninstalled. I think I'm back and up and running. We'll see if any of the problems come back. Thanks!

SyberTiger said:
I had tried the toothpick trick that you and others had recommended. In fact it did make a positive difference but I still noticed there were still some strange things going on. I went back a second time but this time with a sewing needle and some magnifier glasses and picked it clean of lint and other junk. Of course with was done with the battery uninstalled. I think I'm back and up and running. We'll see if any of the problems come back. Thanks!
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My aunt has a device with the exact same problem. It goes doo-doop like you connected the charger. And you can't turn it off ever because it gets on again. Did you fix it?

nlabrad said:
My aunt has a device with the exact same problem. It goes doo-doop like you connected the charger. And you can't turn it off ever because it gets on again. Did you fix it?
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Using the toothpick/needle trick went a long way towards getting it to behave properly. Like you said, it was doing the "do-doop" thing intermittently and sometimes it would go into and out of charging mode so fast that unless you were astute you wouldn't have realized that what it did. To figure it out I went into SETTING > BATTERY and observed that the "discharge time" on the battery would typically stay at 3 seconds which told me the phone thought it had been plug into the charger.
For the last two days it would seem that I have fixed the problem. After you carefully clean out the USB port of lint and junk with a toothpick and a magnifying glass or readers you may also want to consider getting a can of compressed air to blast it clean. I'm talking about the kind of compressed air sold at Walmart or Office Depot that is used to clean electronic equipment to blast the dust away.
Let us know if you get it fixed!

I don't know if cleaning the USB port had an effect on battery time but I'm getting relatively awesome battery performance like I've never seen before. After 12 hours and very light use the cell phone still has 81% battery left on it. It used to be sitting at around 30% by this time in the day.

think im having this problem. thinking its a damaged usb port. old battery everytime you stick the battery in or plug it in it thinks its charging. new battery i just ordered does the same too. its still charging so ill see what happens after but i say charging port probably?

steveokinevo said:
think im having this problem. thinking its a damaged usb port. old battery everytime you stick the battery in or plug it in it thinks its charging. new battery i just ordered does the same too. its still charging so ill see what happens after but i say charging port probably?
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I went through the same exact thing...ordered a new battery thinking the original battery was at the end of its life and causing the phone to behave strangely. With the new battery in place the craziness continued. I was thinking the micro USB was damaged and needed to be replace which BTW isn't an easy thing to change out like some of the other Galaxy phones because the S2 uses surface mount solder connections. You'll need very good eyesight and professional soldier skills to do it right without effing it up. Luckily, doing an extensive cleaning of the USB port fixed the problem. You wouldn't think lint would be conductive enough to cause a problem but alas, it does. Use a toothpick and compressed computer cleaner air with the battery removed when you clean it.

I'll have to try with the toothpick later. It's weird when you go into setting and look at battery it knows when it's on charge and when not on charge. But soon as you put a battery in, it turns on by its self but to the charging screen and can't be turned on unless both charger and battery are in.
Will the battery percentage read accurate still I wonder?
Sent from my SPH-D710 using XDA Free mobile app

Sent from my SPH-D710 using XDA Free mobile app

steveokinevo said:
Sent from my SPH-D710 using XDA Free mobile app
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Yup, that is exactly what I saw when I was having the problem. Basically what that screen shot is telling me is 13 seconds ago your cell phone made the "doo-doop" sound as a temporary short within the USB port fooled the cell phone into thinking it had the charger plugged in but just as fast as it thought the charger was plugged in the temporary short went away. In fact the "short" may have come and gone so fast as make it so that "doo-doop" isn't even heard. The key here in recognizing the problem is that while your charge may have been unplugged for hours you'll note the number of seconds that have gone by since the cell phone thought it was charging will be somewhere well under 60 seconds or at least that is what I experienced. I have every confidence that you have the same exact problem and you just need to thoroughly clean that USB port of every speck of lint and dust. Also, make sure your charger USB is clean and lastly make sure none of the pins on the USB connectors is bent and that that middle portion on the cell phone USB is right in the middle and not bent up or down in any fashion.

1well now i cant even charge my phone. charging port is ****ed. great! no more phone for me!

steveokinevo said:
1well now i cant even charge my phone. charging port is ****ed. great! no more phone for me!
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How did that happen?
BTW, don't forget...if the phone doesn't seem to want to power up hold the VOLUME UP and the POWER buttons at the same time for 15 seconds until you get the reboot option.

waiting for someone to fixit now for $45
---------- Post added at 01:16 PM ---------- Previous post was at 12:53 PM ----------
well they couldnt fix it. now im screwed

steveokinevo said:
waiting for someone to fixit now for $45
---------- Post added at 01:16 PM ---------- Previous post was at 12:53 PM ----------
well they couldnt fix it. now im screwed
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I'm in the same boat now [emoji22] Just happened a couple nights ago... Phone is plugged in but not charging. Not that big a deal, as I just got some spare batteries and external chargers. But now I've got to be super-cautious when flashing stuff, as I can't just Odin back without working USB
Trolling from my 4.4.4 LiquidSmooth'd E4GT using Tapatalk

That's what I'm stuck doing now. I'm not gonna be switching roms anymore lol. Had to buy a universal charger for the battery

I had this issue with mine as well. At first it seemed to be the recovery but I reverted to stock unroot and it still happened sometimes shine blue to make it think it was completely charged I know this phone had a lot of hardware issues. And then I took it apart cleaned it and what not. It still happened. So after some time it just stop happening and functioned normally. I am unsure what the problem was or why it happened. The whole time I really couldn't charge my phone at all unless it was by computer only