A bad cable damaged my phone help - Xiaomi Mi Mix 2 Questions & Answers

So one night I left my phone to charge with a cable I never used before but was probably bad because it did not charge the phone unless put in a specific way. After this charge the phone started to discharge really fast like the battery was depleted in 1 hour with the screen off. I think it's something to do with the charging circuit but I'm not sure, I tried leaving it in recovery mode and it only lost 2 percent in 3 hours so I don't know what to do now. My only ideas are: battery is gone bad because of the cable, the charging circuit is gone bad, the phone is stuck in otg mode or something like that.
Any suggestion what can I do? I don't really want to spend money trying to fix it.
ROM: LineageOS 16
Recovery: TWRP
Battery time before was at least 2/3 of the day with my usual usage

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[Q] Charging issues - CM10.1

I currently have the CM10.1-M3 build from 4/17/13 installed.
For a long while, I have been having major issues charging my Captivate Glide.
My original battery died. It was bloated. I called AT+T and they sent me a replacement. I also bought two high capacity batteries.
If I leave the phone charging about half the time little or no progress is made charging. Lat night I charged the phone for over 8 hours and the charge went from 10% to 14%.
Other times I will wake up after charging it all night and it will say fully charged, but then the instant it is unplugged from the charger, it will drop down from 100% to 20% or less.
Then once every 3 or 4 days it will actually fully charge. But even in that case the charging is slow at best.
I did a full wipe and re-flashed last night and nothing changed. I have tried charging in airplane mode, but that seems to make it worse. I have had a little tiny bit of success turning mobile data off, but otherwise I have tried everything I could think of with no luck.
Has anyone else experienced similar issues, or have any suggestions? Is this a case where I might need to replace the phone entirely?
jacobym1 said:
I currently have the CM10.1-M3 build from 4/17/13 installed.
Has anyone else experienced similar issues, or have any suggestions? Is this a case where I might need to replace the phone entirely?
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I did notice a lot longer charge time when hooked up to USB on computer, on my car charger and hooked up to AC I seem to get a lot quicker charge...
What charger are you using?
yohan4ws said:
I did notice a lot longer charge time when hooked up to USB on computer, on my car charger and hooked up to AC I seem to get a lot quicker charge...
What charger are you using?
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I have tried a few different chargers. I mostly use a 2.1amp wall charger. I also have a 1 amp wall charger, and a 1 amp car charger. I have tried about 3 different car chargers.
I am really suspicious that the micro-usb port on the phone went bad and that I will need to get the phone replaced.
Charging with AC is gonna be alot faster then with DC. But as far as it being the rom I don't see tthat.. sounds like possibly a loose wire or bad connection when u lay ur phone down
Sent from my SGH-I927 using xda app-developers app
phatryan has a point, do a nandroid backup, flash to stock and see if the charging makes a difference..
Charging
Hello,
When I charge my Captivate Glide with phone powered up plugged in to the wall, using the supplied wall charger, I've noticed that the battery seems to drain quicker. This is with the original battery, I will be getting an extended battery for my phone. If I power the phone down then charge it in to the wall it charges quickly and seems to take longer draining. This does not happen when charging with the PC.
tech927
jacobym1 said:
I currently have the CM10.1-M3 build from 4/17/13 installed.
For a long while, I have been having major issues charging my Captivate Glide.
My original battery died. It was bloated. I called AT+T and they sent me a replacement. I also bought two high capacity batteries.
If I leave the phone charging about half the time little or no progress is made charging. Lat night I charged the phone for over 8 hours and the charge went from 10% to 14%.
Other times I will wake up after charging it all night and it will say fully charged, but then the instant it is unplugged from the charger, it will drop down from 100% to 20% or less.
Then once every 3 or 4 days it will actually fully charge. But even in that case the charging is slow at best.
I did a full wipe and re-flashed last night and nothing changed. I have tried charging in airplane mode, but that seems to make it worse. I have had a little tiny bit of success turning mobile data off, but otherwise I have tried everything I could think of with no luck.
Has anyone else experienced similar issues, or have any suggestions? Is this a case where I might need to replace the phone entirely?
Click to expand...
Click to collapse
Bloated battery could just be bad - but it could also be due to overcharging. That's not going to happen unless there is a serious problem with your phone, or possibly a problem with the contacts leading to an incorrect voltage reading. This also may explain your problems charging and sudden jumps in charge %.
Clean your contacts well on the battery side and phone side with a pencil eraser, rubbing alcohol, etc.
I notice a big difference with whatever kernel is shipping with the current M3 cm10.1 build between a 500ma charger and 2amp charger, so I imagine the kernel is set for a 750ma or 1amp charge.

Charging and Power problems

I bought my Xperia Arc S LT18 in April 2012. Up until now, my phone has served me well. As with most modern smartphones, the battery will start to die. And I'm in the marker for a new battery, however. Last night, I noticed my phone would not charge, so I decided to just turn the phone off and go to sleep, assuming I would have at lease some battery left. I was wrong.
My phone was dead, after much time and effort, I managed to turn my phone on and wiggle the charger around enough so it could get a connection and charge. However, the charge does not hold. It will get to around about 3-5% then just drain, as if I unplugged the USB cable. I've tried everything I can think of to try and speed up the process of charging (Offline mode, Power saver underclock (currently at 456MHz) lowest screen brightness etc.) but it will only get to about 4% charge. I get the I need a new battery but this is just ridicules.
I've ran out of options, I'm going to bed soon and I'm going to leave it on charge over night.
In case it matters I have the stock battery, used many chargers and USB cables over the time I've had my phone, using the Ultimate HD custom ROM.
Not sure if this is allowed but bumping, I'm at my wits end and I really have no clue what the next move is.
I've left it on charge all day and the problem is still occurring. Should I buy a new battery?
I've just bought one of these (See attachment, under 10 posts..)
These capchas are the worst, 5 in a row I've failed/skipped ¬_¬

[Q] [SOLVED] S3 Slow Charge/Quick Drain

Hi,
Few days ago I noticed that my S3 was charging extremely slowly. I had it plugged in for 10 hours and it charged maybe 20%. I needed a full battery so I swapped the one from my battery charger (the official Samsung charger and battery), which was supposed to be at 100% according to the charger. Phone started up, battery was at 100%, and a few hours later it died.
Now, if I plug the phone in to charge it will gain a percent every 10 mins or so and it will only charge to about 54%. Doesn't matter how long I let it charge for, 54%. There was one instance where it charged to 100% but 2 mins after I unplugged the phone, it was back at 54%. The battery charger keeps charging the two batteries to what it says is full (green light on the charger), but when I put it in the phone it appears to only be between 10% and 50%.
Today, I took a battery which the charger said was at 100% and put it in my phone. Started the phone up, it said 2%. Put the same battery in my friends S3 and his phone said 98%. Back into my phone, 18%.
Things I've tried:
Leaving the phone plugged in for an extended period of time
Taking the battery out for 10 mins then putting it back in
Different chargers (some official Samsung, one BlackBerry, one no name)
Charging from USB and AC
Like I said, tried putting the phone in a different S3 and no problem with that. Only has a problem with my phone
Booted into recovery (TWRP) and it will report the same percentage as the OS
Tried to download a few different apps to check the current that was charging the phone but none of them worked for the i747m.
Also used Better Battery Stats to see if anything was draining the battery or had a partial wakelock. Nothing out of the ordinary.
When the problem first started I hadn't updated the software (CM 10.3) but was still planning on doing a restore later tonight.
I've searched xda and google but haven't come across anything that has worked. If anyone has any suggestions it would be greatly appreciated.
Thanks!
Restored back to stock last night using Kies "Firmware Upgrade and Initialisation", but that didn't help. I'm going to assume that is hardware at this point. Unfortunately, I'm out of my warranty. Right before it ended I took the phone in for repairs and they replaced the micro usb port. Could this be causing the issue? I had originally thought this but like I said, if I take the battery out and put it in another phone it sees it as being at 100%.
mcgrandlej said:
Restored back to stock last night using Kies "Firmware Upgrade and Initialisation", but that didn't help. I'm going to assume that is hardware at this point. Unfortunately, I'm out of my warranty. Right before it ended I took the phone in for repairs and they replaced the micro usb port. Could this be causing the issue? I had originally thought this but like I said, if I take the battery out and put it in another phone it sees it as being at 100%.
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You said the phone itself will only charge the battery to what your phone reports as 54%, correct? What i didn't see was at that stage did you try it in the other phone? Just trying to determine if the phone is actually charging to 100% or not. If it will only charge a battery half way it is entirely possible the usb port repair wasn't up to par but I find it hard to believe that it would cause such dramatic drain as well. If it does in fact charge the battery fully then your problem is more than likely with the sensor responsible for report battery condition. Whether the sensor is bad or is simply in need of recalibration is the question at that point. Regardless of the actual charge of the battery if the OS is being reported to that it is below tolerance threshold it will assume the battery is dead.
dntesinfrno said:
You said the phone itself will only charge the battery to what your phone reports as 54%, correct? What i didn't see was at that stage did you try it in the other phone? Just trying to determine if the phone is actually charging to 100% or not. If it will only charge a battery half way it is entirely possible the usb port repair wasn't up to par but I find it hard to believe that it would cause such dramatic drain as well. If it does in fact charge the battery fully then your problem is more than likely with the sensor responsible for report battery condition. Whether the sensor is bad or is simply in need of recalibration is the question at that point. Regardless of the actual charge of the battery if the OS is being reported to that it is below tolerance threshold it will assume the battery is dead.
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Click to collapse
Yes the phone only reports a 54% charge at most. I took a battery from my battery charger which was at 100%, put it in my phone which reported 2%, then immediately into another S3 which reported 98% and stayed that way for 5 or so minutes.
Given enough time (upwards of 10 hrs) charging the battery via the phone and the phone will report 100%. But then within a couple minutes the phone will report 54% and will discharge as normal.
mcgrandlej said:
Yes the phone only reports a 54% charge at most. I took a battery from my battery charger which was at 100%, put it in my phone which reported 2%, then immediately into another S3 which reported 98% and stayed that way for 5 or so minutes.
Given enough time (upwards of 10 hrs) charging the battery via the phone and the phone will report 100%. But then within a couple minutes the phone will report 54% and will discharge as normal.
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Click to collapse
It sounds to me like the sensor responsible for reporting the battery condition to the OS is screwy. It could either be bad and need to be replaced, which would most likely mean a motherboard, or just needs to be calibrated. You can try resetting the battery statistics from CWM recovery if i recall, i wasn't able to find the same option in TWRP if that is what you are using. Its an outside chance but certainly worth installing CWM to give it a try over replacing the MB. Lastly, if you haven't already tried you can try flashing back to stock and see if that corrects the problem. If it is software related this should work, if not you cant pretty sure its hardware.
EDIT: I loaded up the latest CWM and the option for resetting battery stats isn't there so either they removed it or i am just remembering this from some other device or ROM i used in the distant past. In any case i found THIS thread that should assist in attempting to recalibrate the battery reporting.
dntesinfrno said:
It sounds to me like the sensor responsible for reporting the battery condition to the OS is screwy. It could either be bad and need to be replaced, which would most likely mean a motherboard, or just needs to be calibrated. You can try resetting the battery statistics from CWM recovery if i recall, i wasn't able to find the same option in TWRP if that is what you are using. Its an outside chance but certainly worth installing CWM to give it a try over replacing the MB. Lastly, if you haven't already tried you can try flashing back to stock and see if that corrects the problem. If it is software related this should work, if not you cant pretty sure its hardware.
EDIT: I loaded up the latest CWM and the option for resetting battery stats isn't there so either they removed it or i am just remembering this from some other device or ROM i used in the distant past. In any case i found THIS thread that should assist in attempting to recalibrate the battery reporting.
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Click to collapse
Ya I tried flashing stock previously and that didn't help. I had considered resetting the battery stats but I read a lot of forum posts that said this didn't have any affect on the battery and was automatically done whenever the battery was fully charged (or completely empty can't remember which one).
I ended up taking it in to the provider but they said I would have to send it out to Samsung and pay the cost since it was out of warranty. They suggested that it would be likely that I would just end up with a new refurb for $150. Instead I took it into a shop nearby and they repaired the motherboard for $90. Got it back earlier today and so far it's working fine.

Phone dies now around 10% ?

Very odd ever since the phone died since it was really cold out ( i left it in car for a few seconds and looked at my phone and it was dead ) its been shuting off or dieing around 10% left but drains normally. but can still turn it back on once its plugged into a wall charger. so im not sure on what to do cause i mean i only had it for a year now.
it happens with mine too, 2-3 weeks ago.
I had 40%+ and after few sec, was dead too.
I turn it on with 1% battery lol
was thinking of letting it die once then letting it cable charge not fast charge saw a video for an older phone to do that with some call code to reset the battery gauge
Xnitro67 said:
was thinking of letting it die once then letting it cable charge not fast charge saw a video for an older phone to do that with some call code to reset the battery gauge
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I have the same problem since a few weeks.
The percentage drops from 15% to zero.
Mine was a bit different, I was in 13% and then when I plugged in the cable to charge my phone, it showed I was actually in 6%. My friends, our phone is aging
Since it became cold outside I'm having the same problem
Yes
I had this problem with my Galaxy A5 2016 and now with my Galaxy S9...
Never go under 10% if you can't charge within 1 minute or better less. That's why I have a battery case.
So I think I fixed mine a video is for a note 4 ut I think it worked for mine also. Make sure your phone is almost dead and turn off fast charging then go to the phone dial up (built in app) and dial *#0228# and click the quick start (this will restart your battery gauge) let it die then charge to full might take longer but it's worth it.

Battery always showing 0% and shutting down when unplugged!

One fine morning my Note 10.1 2014 battery started showing as 0% and will not 'charge' (i.e., percentage will not rise). As a result, the tablet has to stay plugged-in always to use it (just like a desktop computer). The moment it is unplugged, it shuts down in 1 or 2 seconds. Tried different chargers/cables/flex cables/new battery/uninstalling/reinstalling/warming...& what not. But nothing solves the issue. I came to know that the battery is actually holding/taking in charge which is evident from the fact that the tablet runs without being plugged-in in the recovery/TWRP mode! It seems just that the android OS is not recognizing the charging. Any help would be appreciated. Thank you!
Is the battery really good? The boot menu uses a lot less current than normal boot up operation.
Otherwise you're looking at a possible mobo failure. If it has a charger pcb it could be that.
A Samsung Experience center at a Best Buy might be able to sort it out for you.
blackhawk said:
Is the battery really good? The boot menu uses a lot less current than normal boot up operation.
Otherwise you're looking at a possible mobo failure. If it has a charger pcb it could be that.
A Samsung Experience center at a Best Buy might be able to sort it out for you.
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Click to collapse
It is not the battery, I am pretty sure! As for the other possible causes suggested, it seems Samsung considers the product too 'old' now to look into/offer any service/parts replacement. Anyway, thanks for the quick reply!
I got the same experience. Recently installed LOS14.1 on my Samsung 2 7.0 and battery just drained and inspite charging it overnight never recovered. I think it's really the LOS 14.1. Now I cant even boot it up anymore.
tom.cruiser said:
I got the same experience. Recently installed LOS14.1 on my Samsung 2 7.0 and battery just drained and inspite charging it overnight never recovered. I think it's really the LOS 14.1. Now I cant even boot it up anymore.
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Please do post, if you find a solution!
I strongly doubt that LOS14.1 (lineage-14.1-20210320-UNOFFICIAL-lt03lte) is the culprit as my old P605 still works with the unchanged battery.
Once charged it lasts for quite some days (usage 0.5h/day) without problems.
It's always in flight mode and mostly WLAN is shut off.
It's not that cuz of an OS it's the old battery problem....
Same thing happens to one of my cellhphones.
I charrge it to 100 % while it's turned OFF then tomorrow I turned it on and battery is at 1 %, 0 % and shuts off.
It's just old Li-Ion battery which needs replacement.
After having replaced the battery with a new one with about 50% charge the discharged P605 would only recharge to the level of the original charge. It returned to normal behaviour after charging once with the original 5v/2A charger and the original cable with the second GND contact missing. If the latter did the trick, with most cables u can't tell whether the contact is wired to GND or not.
But in the days of miniUSB, the second GND was sometimes used to put the device in charge or pc connection mode, by swapping cables.

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