Samsung weird problems - Android Q&A, Help & Troubleshooting

Hello guys, i come to you with a problem with my phone. I've a Samsung J7 Prime SM-G610M/DS with Stock ROM.
Everything started when a new update came to install like a week ago. It downloaded it correctly and started update process.
In the middle of it, it ran out of battery.. So it began..
1) The phone is practicaly not charging. If i plug it to an USB port or directly to the wall, charges like 6% every 24 hours. Sometimes it doesn't charge at all. Note: whenever i plug it, the battery-charging animation does not work properly. Just turns the battery icon with the lightning in it and then turns off the screen, not showing battery percentage or animation whatsoever. Battery is non removable and tried cleaning charge port.
2) If i put it on Download Mode, computer doesn't recognize it. It is not a drivers issue. I've another Samsung J7 Prime and it connects correctly. I must discard everything Odin-related.
3) In recovery mode, i've emptied cache and did several factory resets with no luck. If i turn it in a regular way, it tries to apply some update but changes to "No command" view.
4) I tried downloading the last stock version and putting it on an SD. Formatted it correctly but when i try to update from SD in recovery, a message comes up: "Couldn't mount /sdcard".
I'm starting to loose my mind here guys.. Please give a hand or a clue!!
Thank you very much.

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[Q] Weird Charging problem please help

Everytime I plug in Nook Charging cable it keeps booting over and over. If I plug in my samsung galaxy cable it charges but the moment I plug in it just turns off completely and wont turn on until I unplug. I originally had a dual boot system running for 1.4.0 which is my nook version and tried to do a recovery which said successful from the file I created but when I rebooted the whole system didnt know what to use for what and kept asking then crashing. I factory wipe/reset after the problem started and upgraded to CM10 cynogen mod with the new JellyBean no duel boot. RUNS AMAZING. But the charging problems still remains, even when I booted stock after factory reset it was still doing this. I have CWM installed internally. Please help me I have looked over many threads one said it was an update problem created with AdobeFlash updates and I tryed to flash the fix listed but it just says error during install and aborts. Also it will stay on during the cynogen mod boot screen even if i plug in either charger but at the top it just says "Charging Disabled" says the precent. I left it plugged in at this screen and it didnt charge one percent after 30 minutes.
I just want to charge it and have it on at the same time. Please any help, any ideas and comments is appreciated. Thank You
i have this problem too. I'm using CM10. My battery died and wouldn't charge no matter how long I had it plugged in for.
Then recently it turned on, but when it is plugged into the wall, it just constantly reboots.
Any help?

[Help] Won't Boot into ANY mode

I bought my Galaxy Note II right after it came out, and after a few months, I had unlocked the bootloader, rooted the phone, and installed the Mean Bean ROM. I ran it with ZERO problems until...
Yesterday my phone dies after the battery is fully discharged, and when I plug it in, all I see is the pre-boot battery, as if it is about to charge, but the circular loading symbol is dead in the middle, frozen. The LED light up top won't do anything either.
I could get it into recovery and download mode, although the battery would not charge, so the phone had to be plugged in no matter what. Did a clean wipe and tried reflashing the ROM, then I tried flashing both the stock roms from stockroms.net for the Verizon Note 2. Every flash failed.
I went into download mode to try and flash the stock roms via Odin, but Odin wouldn't recognize my phone. Reinstalled the Samsung Mobile Drivers (yes the correct ones), tried using the Toolkit, but no matter what, Odin wouldn't recognize my phone. No comport number, nothing.
Next, I took out the usb charging port in the phone, made sure nothing was damaged or unplugged, and put it back it. No change. Went to bed frustrated as all hell.
This morning, I tried everything again a second time, and the next thing I know, hours later, the phone shows 11% battery in recovery mode, but no change otherwise. This whole time, I've been using Team Win Recovery Project, so I decide to switch to ClockWorkMod. I get the file on the sd card, put it into the phone, and...
Nothing. That 11% disappeared apparently. Now I cannot boot into recovery mode or download mode, let alone get the frozen battery indicator. What now?
Could be the charging port is damaged. About 2 months ago my phone looked like it was charging when I plugged it in (would show charging indicator), but really wasn't. Called Verizon and got a warranty replacement.
Sent From My Sticky Note, Too?

Problems with offline charging

I'm havin problems with offline charging after i installed cm11. I've tried change kernel and change rom (i'm using PA rom now) and i'm still with the same problem.
When i plug the charger on my phone while turned off, it shows a battery icon with a question mark on it and i think it's not charging. Is this a general problem or did i make something wrong?
Try keeping it plugged in. See if it charges or not.
Also,did you change your bootlogo?
I didn't change my bootlogo. it boots motorola bootloader and then shows the battery icon with the question mark. I left my phone charging this way for a couple of hours and tried to turn it on. my phone booted with 0% battery and then shutted down, so definitely it is not charging. other thing I notice is that when my phone enter this buggy offline charging mode, I have to press power button + volume down to reboot my phone, it kind of get stuck in this mode when my phone enter it
Try using a different charger.
It doesn't seem to be a common issue.
Can you power up the phone whilst charger connected.?
I've tried two different chargers, one of my Moto X and the original one. If I want to charge the phone I need to turn it on first and then plug the charger. I can't turn it on with the charger on cuz it is stuck on that screen with the battery icon
I'm starting to think I've done something wrong. I did the following to get where I am right now:
I was on stock firmware, so I rooted the phone and installed the newest version of SS. Then I downloaded cm11 and gapps and copied to the phone. I entered the SS and wiped everything. After that I installed cm11 and gapps.
When I discovered that issue I've tried install JBX kernel to fix it and nothing. then I wiped everything again and installed PA rom + gapps and still that issue. Did I do something wrong?
No, you didn't do anything wrong.
Since its persistent across both ROMS, its not a ROM issue either.
In my opinion, its most probably a problem with port or the board. The port doesn't deliver enough power.
You can try flashing the stock ROM back, it might repair in case something s/w related is corrupted. If it doesn't work after that, then its a h/w glitch for sure.
just in case, if I install stock rom and the problem goes away, what might be causing this problem?
I can't re-flash stock rom because I can't charge my phone and I can't boot into the rom or recovery. I don't think fastboot charges my phone. I just realized that bootloader is locked. Maybe this is the problem, isn't it?
it isn't a h/w glitch because before cm11 it was OK to charge offline
You'll need a factory cable to flash in case your phone has insufficient power.
Look for it, there's a guide about making one in the general section I suppose.
No need, I've managed to charge the phone through USB on my pc. When I plug the charger on my phone, that glitch happens, but when I plug the USB on my pc, the phone lights up a white led and apparently it charges the phone (slower, but charges). That's really weird. I really want to know what is happening to my phone

Samsung GT-I8552: Unable to access recovery mode and battery issues

Hello,
I'm using GT-i8552 stock 4.1.2 (UNROOTED).
I did root my phone with 'Framaroot', the rooting was successful and SuperSU was installed properly. After this I didn't try installing any custom ROMs or any conflicting apps but still I started facing battery issues like,
1. After putting on charge, display shows that it is charging but no progress at all (it freezes at certain %)
2. When the phone is switched off and put on charge, the display just blinks up and goes off (lights on lights off) nothing else appears and no battery progress
3. Sometimes the phone charges properly to 100% but after disconnecting cable, battery status is 50-60%
The above problems occur not all the time.
The things that I tried,
1. Did unroot my phone and removed SuperSU
2. Did a factory reset from phone's settings option.
3. Got an original new battery from service center
4. Took the phone to Samsung customer care (they couldn't find any problem at all and advised that the problem must be in the charger) (I tried to charge with samsung charger, sony's charger & portable charger)
5. Changed USB cables for charging
6. Tried Battery Calibration apk by Nema
7. I think the charging port is little bit damaged but I can still get the phone to charge
Even after doing all the above things the problems still occur sometimes. Other than that the phone works fine, there is no BOOTLOOP.
When I try to boot it into recovery mode (volume up+home+switch on and release after SAMSUNG logo) but after releasing the buttons the SAMSUNG GT-i8552 logo appears and phone starts with no warning and all, it's not accessing the recovery mode or download mode too.
Is there any solution to the battery related issues or do I need to flash the stock firmware again?
I am not aware of the steps of flashing firmware, please do redirect.
Thank You!!

Galaxy s6 active SM-G890a constant boot loop, cannot access recovery mode.

The phone has successfully been flashed with a few different firmwares since the bootloop started occurring. the phone will only power on when the cable is plugged in but it will show the samsung screen and then start the "Installing system update" screen and then instantly go to "No command" and then boot back to the samsung screen to repeat the process. download mode is accessible but i cant get into recovery mode to reset the cache or perform a factory wipe.
The cable is fine and the usb port on the phone let me flash software via odin so i don't understand why it only powers on with a cable plugged in.
Could this be a battery issue? i'm very new to this website and the software end of phone repair stuff so any help is greatly appreciated!
i'm currently running 7.0 firmware G890AUCS7DRF2 from boxwares but the bootloop has been occurring since before i even tried to flash anything.
Also, all of my drivers seem to be up to date so i don't think that's posing any issues.
Thanks so much in advance!
Hi , try to clean the charging port of your phone with 100% alcohol and with clean toothbrush also you can use needle to clean the usb port contact.
Another what you can do is to put your phone into the charger for abot 30 minutes and see if your phone is become to hot on the back side what can be sign of bad charging port or probably dead battery .

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