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Hi, I have a 7 months old galaxy nexus (international) which has just turned into a paper weight. I was wondering if anyone here any help.
1) Charging problem:
The problem started when, all of a sudden, the phone restarted while being connected to a computer. I smelled burning and the microUSB connector was burning hot when unplugged. The phone still worked at the time but I couldnt charge the battery. After going through 3 different cables with the same problem, I then discovered online that this has been a common issue with the phone and the only fix seemed to be to replace the microUSB port.
I noticed that the battery might have gone dead also since I was not able to charge it. I went to a T-mobile store and tried on a new battery but the phone wouldn't start!
2) Replace USB:
I bought a new microUSB port connected to a mini circuit board (identical to what's in the phone) and replaced it myself. The only thing I might have missed was that this particular (Samsung galaxy nexus instead of verizon) version has the volume rocker connector soldered onto the motherboard and I had to sort of yank it out. Well, I thought, so I'll be without volume adjustments, so what? And since the connector was still in place, I might still have electrical connection after replacing the motherboard.
Tested another time at the T-mobile store, still nothing.
3) Dead phone:
I followed the online instructions and attempted all kinds of sequences involving charging without battery, waiting for 10 seconds, pressing volume buttons while powering on ... you name it. Still nothing.
Going through Samsung wasnt helpful since I dont have a receipt (the phone is 7 months ago based on its serial number) since I bought it second-hand.
Any idea will be greatly appreciated!!!
-Trent
additional info
The samsung GNex seems to have some unique quirkiness. When I plugged it in now, the screen, for ~10-15 seconds, will show the battery being charged, before going blank again. And this shows up only sporadically. Another quirk is that if I remove the battery and connect that directly to a PC, the computer will make a sound, indicating the connection, then quickly makes another sound indicating disconnection, before making the sound of connection again and it just cycles continuously until I unplug it. During the entire time, the phone never appeared on the computer screen. If I have the battery in, then the PC wouldn't even make a sound.
I also tried adding some slow-curing conductive epoxy at the solder joints that I had to detach when replacing the microUSB circuit board and that didn't do a thing.
coro4 said:
Hi, I have a 7 months old galaxy nexus (international) which has just turned into a paper weight. I was wondering if anyone here any help.
1) Charging problem:
The problem started when, all of a sudden, the phone restarted while being connected to a computer. I smelled burning and the microUSB connector was burning hot when unplugged. The phone still worked at the time but I couldnt charge the battery. After going through 3 different cables with the same problem, I then discovered online that this has been a common issue with the phone and the only fix seemed to be to replace the microUSB port.
I noticed that the battery might have gone dead also since I was not able to charge it. I went to a T-mobile store and tried on a new battery but the phone wouldn't start!
2) Replace USB:
I bought a new microUSB port connected to a mini circuit board (identical to what's in the phone) and replaced it myself. The only thing I might have missed was that this particular (Samsung galaxy nexus instead of verizon) version has the volume rocker connector soldered onto the motherboard and I had to sort of yank it out. Well, I thought, so I'll be without volume adjustments, so what? And since the connector was still in place, I might still have electrical connection after replacing the motherboard.
Tested another time at the T-mobile store, still nothing.
3) Dead phone:
I followed the online instructions and attempted all kinds of sequences involving charging without battery, waiting for 10 seconds, pressing volume buttons while powering on ... you name it. Still nothing.
Going through Samsung wasnt helpful since I dont have a receipt (the phone is 7 months ago based on its serial number) since I bought it second-hand.
Any idea will be greatly appreciated!!!
-Trent
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Changing the microUSB port isn't hard at all. There's a good guide over on ifixit.com
Also, the screen turning on for 10-15 seconds is normal for when the phone is off and charging.
Sent from my Galaxy Nexus using xda premium
Thanks for your reply. I too got information from ifixit.com and replaced the microUSB port successfully (with the exception on the tiny circuit board connected to the volume toggle, which was soldered onto the motherboard and I had to detach it). But the problem is that the phone remained dead afterwards. The only other reason I can think of is that my repeated attempts to charge it while the microUSB port was burnt might have burned something else on the motherboard maybe?
Thanks again!
TomBall718 said:
Changing the microUSB port isn't hard at all. There's a good guide over on ifixit.com
Also, the screen turning on for 10-15 seconds is normal for when the phone is off and charging.
Sent from my Galaxy Nexus using xda premium
Click to expand...
Click to collapse
OMAP flash didn't work?
Just tried using the famous OMAP flash method. I first plugged in the phone, without battery, to a computer. As discussed before, the PC would beep intermittently, indicating a device is connected, disconnected, then connected .... Device manager was flipping constantly as well, as if I am plugging the device in and out. I had to act really fast and double click on the device (during that split second when it's showing that the device is connected) named OMAP 4460. Once the separate window is open, I then click "change driver" and point to the downloaded file.
While I managed to get that part completed, I was unable to proceed from that point. Nothing else seems to have changed. What doesnt make sense is me still is how that should even matter since the problem started with a hardware failure, and why a software change would make any difference.
Any input will be greatly appreciated!
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
Does anyone know where I can order the USB charging board for the LTE model?
I may have pumped a little too much voltage into (5.3v) when messing with my DCDC-USB power supply.
Now the tablet thinks its plugged in when its not. Also thinks its not plugged in when it is, but the battery still charges?
It won't talk to my computer, because it seems to be sending data OUT to my switched USB hub(hub lights up when in off position).
I ordered and replaced the battery and that fixed none of these issues. Can't find the charging board to order
Help please!
Thanks.
You try letting it go completely dead then charge it?
Yup, I let it go totally flat. Took about a week, so I know the battery is holding a charge.
The replacement battery shows less signs of damage. In the 40%-~90% range it works as intended. Shows charging when plugged in, Discharging when not plugged in. Somewhere above 90% it seems to think it's still plugged in when it isn't. So it has to discharge a bit before it will function correctly.
The old battery PROBABLY isn't damaged, but the range in which it works correctly and in correctly is MUCH more random.
I SHOULD have warrantied it before I decided to replace the battery.
I mean for the most part its fine, however, being a car install, I kind of need Tasker to work its magic depending upon charging state. And since that's messed up, Tasker won't work as intended.
Replacement USB Charge Charging Port Power Board for Nexus 7 Tablet 2013 LTE
I know this is an old thread but I'm looking for the same board, did you ever find out where to get it from?
Hi,
I have strange problem and I think it's from the main board..but I just need experts opinion first, so may I could solve my problem without changing the full motherboard and save some money
my tablet working fine but I can't charge the battery, when I connect the USB cable it shows me the battery status 100% !, and the device instantly powered off if I pulled the USB cable from it.
when I noticed that I did a simple trick, I completely removed the battery and connected the tabled directly to the charger, and it shows me the exact same status, I could even power on the device and use it with out battery inside, just counting on the charger, and the device still show me the 100% battery statues
At the beginning I thought the problem is from the battery it self, so I decided to buy new one, but the same problem still exist. so....I think my main board is working fine but with a simple issue...it can't detect the battery.
so my question is...do I really have to change the main board completely, or I can just fix it by replacing a small part...like the battery port or something like that??
Same problem
My husband has the same problem, his tablet only works if the charger is plugged in. As soon as you pull out the charging cord it shuts down, but when you plug it back in it reboots and works. Tablets are mobile device yet he cant move away from a plug
Everything else about our 8.4 Pro is wonderful, even at 3 years old so we'd like to find a fix. Any solutions?
what recovery says ????
JUMP TO SOLUTION
Hi everyone,
My phone (almost 2 years old, changed LCD for three times) started to lose a lot of its battery capacity from a month ago, and since yesterday I realized something's wrong with it, as it had some trouble charging the battery. At first, I was using my phone and its battery was around 20%, and then as soon as I connected the charger (genuine fast charge) it turned off and the red LED indicator kept turning on and off and refused to charge. then after a reboot, it started charging again, and then I left it charging at the night and at the morning I realized it only charged to 60% and the red LED didn't turn on at all. And now that all the battery is drowned out it's not charging at all and drawing no current from the charger ([email protected]).
Has anyone had any experience with it before? Is this a battery problem or the USB charging port flex cable which has some ICs on it (example)?
I'd appreciate your answers.
I can't tell from your story that you tried another charger ? I recall a similar charging issue from my HTC One X a few years back.
Replaced the charger and all issues disappeared.
Mr Hofs said:
I can't tell from your story that you tried another charger ? I recall a similar charging issue from my HTC One X a few years back.
Replaced the charger and all issues disappeared.
Click to expand...
Click to collapse
Yes I have, Also seconds before it ran out completely I tried to check if adb works. connected it to my laptop and on the bootloader mode the adb recognized the device but the red LED didn't light up.
m.m.m said:
Yes I have, Also seconds before it ran out completely I tried to check if adb works. connected it to my laptop and on the bootloader mode the adb recognized the device but the red LED didn't light up.
Click to expand...
Click to collapse
That's correct because a device doesn't charge in bootloader mode. Only off state, running OS or Dr TWRP recovery.
If you tried a different charger it can be pretty much only down to hardware, can't give any advice at that level.
Mr Hofs said:
That's correct because a device doesn't charge in bootloader mode. Only off state, running OS or Dr TWRP recovery.
If you tried a different charger it can be pretty much only down to hardware, can't give any advice at that level.
Click to expand...
Click to collapse
Oops, I meant recovery mode.
does the device charge in the stock recovery?
m.m.m said:
Oops, I meant recovery mode.
does the device charge in the stock recovery?
Click to expand...
Click to collapse
I'm afraid not, only the custom one.
I had almost the same problem with my phone. I sent it to a repair center and acording to their report, the circuit which is responsible for the monitoring of the charging process had a loose connection. Maybe because I dropped the phone a few times. Unfortunatly the circuits of modern phones are all on the same circuit board, so they had to change the whole motherboard of the phone. But now everything works fine.
So I just opened the phone and disconnect/reconnected the battery connector and it eventually started charging with the stock charger, but it charged up to 60% and then stopped. retried the same steps and no luck this time. then I tried charging the battery with an external li-ion charger (I know it's a dangerous task )
this time it charged up to 4.11 volts and then I turned on the phone and again the battery dropped to 60%. so I believe the battery is really dead and needs replacement. I'll update you when I replace it.
KingGong said:
I had almost the same problem with my phone. I sent it to a repair center and acording to their report, the circuit which is responsible for the monitoring of the charging process had a loose connection. Maybe because I dropped the phone a few times. Unfortunatly the circuits of modern phones are all on the same circuit board, so they had to change the whole motherboard of the phone. But now everything works fine.
Click to expand...
Click to collapse
Turns out I was wrong, my case was similar to yours. had to waste $9 on a battery to find out
it just fixed by disconnecting/reconnecting the USB connector bottom of the board, but I don't know how the flex cable for the back button got cut so now I have to replace the whole bottom circuit ($17 approx.) :crying:
m.m.m said:
Turns out I was wrong, my case was similar to yours. had to waste $9 on a battery to find out
it just fixed by disconnecting/reconnecting the USB connector bottom of the board, but I don't know how the flex cable for the back button got cut so now I have to replace the whole bottom circuit ($17 approx.) :crying:
Click to expand...
Click to collapse
So I went through the hurdle of replacing my battery and charge port, and the battery transplant went well, went from 70% to 100% battery health (yay!).
The first charge port I purchased (this is all eBay stuff) had a busted Recents button (copper trace in ribbon cable was nicked - when the part was removed from original phone for sure), so I complained and got a replacement; second one works well.
And because all bad things come in threes, the phone developed an echo (on the opposite side of the conversation) which I think I caused by ripping a bit of the mic rubber isolator which points towards the mic hole in the battery cover.
I believe I fixed it (still testing) by glueing some foam padding on the backside of the mic (on the charge port PCB, facing the battery cover).
Long story short, opening up the phone is a b###h, so do multiple repairs together, be careful not to break anything else (easier said....).
Good luck, let us know how it went.
So here's an update, First of all, I'm pretty happy with the battery replacement, It can hold like 10 hours of my usage while the old one could handle up to 6-8 lately, it's unbranded, and I got it from a local phone part store.
Second, the replacement for the charger flex turned out to be pretty good quality, and I've had no problems with it so far. I got it for $11 from AliExpress, but now it's about $10.5. But when I replaced everything and tried to reassemble the phone and tighten the screws it showed up with charging problems again, and I tried disassemble/reassembling the phone and reconnecting the charger flex, and the next time it charged but with no fast charge, so in the next try I also tried cleaning the flex connector with cleaning alcohol, and for the third try it finally started charging with no problems.
So now after like 2 weeks, it's had no problems so far.