My phone isn't charging help - Galaxy S II Q&A, Help & Troubleshooting

Guys, after installing RR 3.1.3 my phone developed an issue that isn't charging effectively. Maybe its the connector I don't know. Its losing battery while connected to the charger.
Sent from my phone

Try usb to charge it then you will know if it is the charger that is broke

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battery drains while phone is in use while charging help

can anyone help me fix my phone. my phoine is S3 using foxhound rom 2.5 i charge my phone. use it for messaging or playing a bit but my battery drains. i doesnt happen before. its only now that my battery drains while charging... im using my AC outlet charger.
Try another charger and lead first.
Try another USB cable. Samsung cables are known to be of bad quality. If the charger + USB cable doesn't work, then most probably your charging port is not functioning. I had the same problem with my phone, gave it to the service center and the phone started charging again.
You can even try blowing air in the port. Sometimes dust gathers in there and that prevents the phone from charging.
Hope I helped.
scapula101 said:
can anyone help me fix my phone. my phoine is S3 using foxhound rom 2.5 i charge my phone. use it for messaging or playing a bit but my battery drains. i doesnt happen before. its only now that my battery drains while charging... im using my AC outlet charger.
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many identical posts are already about this. standard answer is to change the cable first. :good:

[Q] battery charging issue?

Hello,
I'm running Temasek's unofficial CM13 (Darkened_Sky) ROM on my SIII. I thought my battery was dying somehow, so I bought a new battery, but still it's taking ages to charge, and does not seem to keep the charge better.
What could be the issue? Should I just forget the phone and get a new one?
Thanks,
Vince
any suggestion?
so it seems a charging equipment issue or phone's charging port malfunction. try different chargers 1st.
well, I'm using the samsung charger or charging with the USB cable connected to PC, I don't seem to see any difference...
ok, the charge seems to hold better, but the charging time is still very long (I think), any suggestion?

fast charging on oreo

Is fast charging working on oreo ?
After updating my phone doesn't charge at all using fast charger adapter doesn't even detect that it's plugged in, it detects normal adapter only
And yes my fast charger is working with other phones I got.
Can anyone confirm this ?
please check your charging port first, dirty port may be a cause of this issue

phone is showing charging but not charging

Hi All,
Kindly help. Yesterday i was faced a strange issue. While my phone is showing fast charging but battery percentage is draining. It seems showing as charging but actually it is not. But when i switch off the phone and it is charging normally... Any idea on this.
I have tested the same cable in pc it is charging slowly but this time it is not draining...am not sure how to conclude the issue reason...i dont have spare charger so yet to check with other charger....any idea or tips it would be helpful.
Currently am in miui 10 stock rom with NKG KERNEL
Problem is with your cable or charging brick. But the likely culprit us the cable as that's what usually dies out first.
Suggest using a different USB C cAble either borrow from a friend or whatnot. If you are able to charge normally using both the charging brick and via PC using the borrowed cable then your issue is with the cable

Xperia Z2 Weird Charging problem

Ok so I started having a weird charging issue with my Xperia Z2, a few months ago when I plugged the phone in to charge and noticed it was constantly showing it was charging and disconnecting non stop (basically this here Xperia Z2 charging disconnect)... first thought was maybe my usb cable (original Sony cable) was buggered but nope, plugged in my Xperia Z5 on the same cable and it charged fine, so I tried my magnetic charger on the Z2 and nothing, no charge at all. Eventually when the phone died completely then I was able to get it to charge but not without some issue, when plugging in it would still do the same thing, charge and disconnect constantly, it would take unplugging the cable and plugging it in again a few times till the phone would eventually charge and even though the charge would show 100%, when I turn the phone on, the battery percentage would vary anywhere between 80%-95% and it would discharge very fast.
I figured it may have been my battery as I have been using the phone with an expanded battery since like 2020 and thought maybe thats it for the battery. Eventually got around to getting a new battery this weekend and the phone still does the same thing but its a bit different now, connecting it with my Sony cable still did the same thing when connected to the wall charger, charge and disconnect constantly. Then I thought maybe it could be a software issue so I connected my phone to my PC using a different usb cable to copy some stuff to my PC before resetting the phone to see if that helps...connected it and it was charging...so I take my Sony cable and connect it to the PC with that and it was charging...unplugged the cable from the PC and plugged it into the wall charger and it was charging and disconnecting again. Plugged it into the PC again and started charging. Tried the other usb cable with the wall charger and it did the same constant charging and disconnecting. I know the wall charger is working fine as I am charging other phones on it too with no problems.
I try a third usb cable on the wall charger, this is a real cheap low amp cable, my Z2 starts charging with it almost normally, painfully slow but it was charging. Now I say almost normally because when it charges to around 90% then it starts doing the constant charge and disconnect again. Also the battery doesn't discharge as fast as it was doing before but still a bit fast.
I want to try flashing a new rom, stock and custom to see if any of those might work.
Would any one have any idea of the issue or experienced anything similar and was able to fix it? Any help any one
In the past I had a similar problem, try to clean the Usb port on phone and try again.
Kindly regards
I remember reading something about the live kernel being involved in charging. It makes sense for this to break charging while completely empty. To charge at full speed you need the kernel to be running, but to get the kernel running you need power, the trickle charge you get without a kernel isn't enough to keep up with the boot process, so you end up in a loop of no power. I have not tested if another kernel fixes it, but it is currently broken on my device.

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