[Q] Galaxy S2 Charges very slowly and without animation - Galaxy S II Q&A, Help & Troubleshooting

Hi there,
I have a Galaxy S2 for about a year and a few months from here started very slowly charge the battery (via USB loads ridiculously slow) and I noticed that previously the animation when charging the battery was animated and now appears only a small lightning .
I noticed also that the light on the original Samsung Dock no longer turn on when I put the mobile phone there and also the mobile phone does not connect very well with the PC via cable.
When I bought the mobile phone he carried it quickly via USB.
I've done the restore factory settings, installed the original ROM again (always had the original ROM) and have already cleaned the contacts on port.
Know someone who has had these problems and have them solved? I would appreciate a response from you.
Thanks to all

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[Q] [Help] Samsung not reading batteries

Hello xda!
A friends SII stopped working, supposedly she did nothing to it however I can get past the battery identification screen, as the image shows.
I tried her battery on my phone it works fine.
I plugged my battery into her phone it can't identify it aswell.
I can't enter download mode etc.. via the combo buttons.
Any suggestions?
Appreciate any support you can provide!
once clean the contact pins an does the batt charge wen charger is plugged?my relative had same prblm but then then mother board was gone an jhe got it replased on claiming.....

problem with charge & usb. Help!!!

I can't charge my galaxy i777, only if i remove the battery, then i connect to the charger and finally put the battery again the phone charges, but if i connect the charger with the phone on, it doesn't charges!!! And when i connect to an usb the phone turn off automatically! And the screen stay with a battery icon appearing and disappearing!!! What can i do? i have installed 2.3.6 version
Sounds like it could be a hardware problem.
How long have you have the phone? If its within a year, Samsung does a free replacement. Check the Samsung website for details

[Q] Note II won't charge

tl;dr my note 2 won't charge from an outlet or PC tested with 4 cables including the stock samsung cable/wall charger
Backstory: I rooted my note 2 a number of months ago, around April, and ran it with the rooted stock firmware. Then, a week ago, my device stopped connecting to my computer (which I believe was a driver issue) and then I somehow managed to soft-brick my device ("Verizon has detected unauthorized software" or something of the like on boot) and then reset it back to unrooted stock android using this guide, specifically section 1b using VRAMC3. It then would boot properly.
Present day: My note 2 won't charge using a wall outlet or a PC. I have only used the out-of-the-box samsung wall outlet, but have tried 4 different cables for each medium including the stock samsung usb cable, and multiple ports on my PC. When I plug the cable in, my device (which is dead) shows a battery with a white arrow in a circle for a few seconds and then goes black. If I try to turn the device on with the power button, it shows the same icon. Before I unrooted my device, it would charge without issue. I left it plugged in overnight and it did not charge at all. It was powered on for an hour or so after I unrooted it and it would not charge during that interval either.
I would assume that the port is bad, but it seems to recognize when I plug in the cable because it shows the battery icon, and the issue only came about after I unrooted it.
Any insight you could provide would be much appreciated.
Z1MTY said:
tl;dr my note 2 won't charge from an outlet or PC tested with 4 cables including the stock samsung cable/wall charger
Backstory: I rooted my note 2 a number of months ago, around April, and ran it with the rooted stock firmware. Then, a week ago, my device stopped connecting to my computer (which I believe was a driver issue) and then I somehow managed to soft-brick my device ("Verizon has detected unauthorized software" or something of the like on boot) and then reset it back to unrooted stock android using this guide, specifically section 1b using VRAMC3. It then would boot properly.
Present day: My note 2 won't charge using a wall outlet or a PC. I have only used the out-of-the-box samsung wall outlet, but have tried 4 different cables for each medium including the stock samsung usb cable, and multiple ports on my PC. When I plug the cable in, my device (which is dead) shows a battery with a white arrow in a circle for a few seconds and then goes black. If I try to turn the device on with the power button, it shows the same icon. Before I unrooted my device, it would charge without issue. I left it plugged in overnight and it did not charge at all. It was powered on for an hour or so after I unrooted it and it would not charge during that interval either.
I would assume that the port is bad, but it seems to recognize when I plug in the cable because it shows the battery icon, and the issue only came about after I unrooted it.
Any insight you could provide would be much appreciated.
Click to expand...
Click to collapse
the charging is run by the i/o drivers in the phone. I would try to odin the phone back to stock root and run a new recovery if you can come across a charged battery.
Similar Issue
I have similar issue as OP. My rooted device with TWRP stopped charging and once it died has become unusable. I have received my replacement device and now have 5 days to return the broken one. I want to return the old device to stock (as possible) before returning it, but even after charging the battery with the replacement device, I cannot communicate with it via USB. So using the Odin mentioned in Q&A section is not possible. I am trying to think of another way to flash a stock recovery and rom to the phone, perhaps by placing the files on the micro sd. I need to get rid of TWRP and return the OS to stock if at all possible. Does anyone have any ideas?
You can use the hidden menu apk and enable the adb through it or send me the snapshot if devise manager after connecting your devise to pc
Sent from my SCH-I605 using xda app-developers app
Same Issue...
I rooted using TWRP and no issues. Then last night plugged my phone in and it did not respond. I tried 6 different cables on different power usb sources as well as the pc with no luck. I happen to have an old note 2 with a cracked screen which I charged and switched batteries. What should I do? When plugged in, it charges for 2 seconds thens stops... Help!

Android mobile only charging when switched off

Hello!
In advance: I've a "Cubot X9" Smartphone - but the error exists for many smartphones of nearly all brands when you Google. That is why I ask here, I hope, this is correct. Maybe someone has a solution...
As I said, I've a Cubot X9 Smartphone. Since the day before yesterday I have the problem, that it is not possible to charge the phone when it is powerd on. When I power the phone off and plug the charger in, the phone starts charging and the charging LED and Symbol on the Screen lights up.
When I switch it on, the charging immetiatly stops.
I verified the phenomenon with a USB amere meter: When the phone is switched off an I plug the charger in, the current goes up and the phone is really charging. When the phone is switched on and I plug the charger in, the current stays at 0.000A and the phone is really not charging!
I also tried charging in TWRP - there is no charging either.
Another problem is, that the phone is not recognised by the computer. No error message, nothing. It seems, as if the USB port is switched off completly!
I found out, that there are many many phone with this Problem (SGS3, Google Nexus, HTC, ...) but there is never a solution. The problem is always the same: Only charging when switched off and no Connection to the PC.
Do you have an idea?
I already tried to:
- clean the USB-Port from dust
- changing the cable and the charger - I tried about 10 different ones
- disconnecting the battery (I opened the phone for that)
- clean and whiped everything (Data, Cache, System, SD) - although in TWRP and in Android
- flashing a new OS (Cynogen 13 instead of Android 4.4.4 stock)
The Problem still exist! I already thought about changing the battery to a new one. But the phone still last longer than one day, there is no Change in running time...
Is it possible, that the USB-port is damaged? Maybe the Pins for + and - are ok and the phone is charging when powered off. And when it is powered on, the data Pins are also "checked" for a connection - and because they are defective, the connection is not recognised and the phone does not start to charge?
I really like the phone and don't want to buy a new one, because the cameras are masked for security reasons and it is really difficult to get a new one sealed...
Thanks a lot for your help!

Phone says battery is charging when it's NOT plugged in

hello,
I have a Samsung S2 PLUS GT-I9105P (4.4.2 stock) at the beginning it started by turning off whenever I plug it into power. I started buy doing what all I can find in the internet ( stick a needle on the hole, factory reset, changed battery). NOTHING worked.
Then, since it never been flashed I tried 2 costom roms then nothing, still the same problem....and after than, I bought a new connector but this time the problem changed. the phone keeps charging and discharging even if it's not plugged (all the time the charge symbole flashes).
The last thing I did is that I disconnected the port from the motherboard and still the symbol whenever I insert the battery... I started to think that it doesn't come from the connector.
Please any ideas? Thansk in advance
Samsung S2 plus GT-I9105P 4.4.2 stock
kernel version 3.0.31 - 2822071

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