S7 Edge (SM-G935V) Bootloop - Samsung Galaxy S7 Edge Questions and Answers

Hi guys, first time posting here.
My phone's been stuck in a bootloop for months now and I want to try getting it to work again.
My phone, when connected to power, shows "RECOVERY BOOTING....." on the top left and not even a second later shuts down and turns back on with the same message. When disconnecting the cable, the phone just dies. When I try entering download mode, I get the warning screen about downloading custom os (blah blah blah). When pressing volume up to continue, my phone turns off again and continues bootlooping. Does anyone know how to fix this?

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A Little Help

My HD2 is stuck in boot loop mode. It won't turn on unless I plug in a charger and when I do it instantly turns on, goes to the "Stick Together" screen for about 20 seconds, turns off, and then repeats the process. I did a hard reset and was unsuccessful in fixing the problem.
Any ideas?
wanted to know if flashed it with a custom rom or updated or added tweaks. please give us a background of what you did to better point you to the right direction.

[Q] S4 in Bootloop after Lollipop Update

Dont know if any one is facing the same problem.
Installed Lollipop in my S4 over the air, 2 weeks ago.
A week back, my phone entered into BootLoop mode. Phone gets re-started. I can see Samsung logo and it gets restarted again. I tried removing the battery and kept it back. Started working fine then.
Since today after noon, my S4 is in complete boot loop. Tried removing the battery and kept it back. Yet it is in bootloop.
Unable to enter into Developer options also. Please help
I hit the Power Button against a Flat Surface. It Vibrates and shows the Samsung Logo. But then it turns off.
Is the battery empty maybe?
My guess is that your power button is faulty. Either try to wiggle it lose or replace it. It's really cheap
If it reboots in download mode and/or your recovery then it's your power button.
Lennyz1988 said:
My guess is that your power button is faulty. Either try to wiggle it lose or replace it. It's really cheap
If it reboots in download mode and/or your recovery then it's your power button.
Click to expand...
Click to collapse
I tried it again with wiggling and hitting it a little bit.
it turns on automatically and then it turns off after some second again

samsung galaxy s4 gt-i9505 can't access recovery and download mode bricked

Hi,
I have a problem regarding my unit. I am not very good in this stuff because I just started. I had someone root my phone for me and I learned how to flash custom ROMS. I had a custom ROM flashed and my phone was working fine. then I got bored so I flashed a different ROM but then I noticed some annoying features of the ROM so I switched back to last custom ROM I had ( the first custom ROM I flashed). One night my phone got fully drained so it turned-off. When I plugged the charger in the phone showed a symbol of a battery charging for about 3 seconds then it turned off. It did not turn on again even after I pressed the power button. I took out the battery and plugged it in the phone and then the phone automatically turned on and showed the name of the unit only (white text on black background: "SAMSUNG GALAXY S4") and on the top left of the screen appeared some text ("kernel is not seandroid enforcing" and below it is " set warranty bit: kernel"). I cannot access recovery and download mode( in a way) because when I plug in the battery and hold power + home button + volume up, in the top left corner of the screen, it states that it is in recovery mode but even before the TWRP could start, the phone would turn off immediately. Same goes for the Download mode. I can reach up to the part where I would choose whether to continue or not to download mode but even before I could make a choice, the phone would shutdown immediately. I have been using custom ROMS for almost a year now and never had a serious problem (aside from the part where my phone at times suddenly reboots for no reason at all) until that night where my phone ran out of battery power. Now i tried charging the battery using a clip charger because I was thinking that maybe the charging port of my phone is defective, but as it turns out, I didn't have any luck at all. I tried to plug in the battery again and the phone turned on automatically (without pressing the power button) but the problem remains the same. can anyone please help me regarding my phone problem? it would be very much appreciated.
Thank you
vincezabdiel said:
Hi,
I have a problem regarding my unit. I am not very good in this stuff because I just started. I had someone root my phone for me and I learned how to flash custom ROMS. I had a custom ROM flashed and my phone was working fine. then I got bored so I flashed a different ROM but then I noticed some annoying features of the ROM so I switched back to last custom ROM I had ( the first custom ROM I flashed). One night my phone got fully drained so it turned-off. When I plugged the charger in the phone showed a symbol of a battery charging for about 3 seconds then it turned off. It did not turn on again even after I pressed the power button. I took out the battery and plugged it in the phone and then the phone automatically turned on and showed the name of the unit only (white text on black background: "SAMSUNG GALAXY S4") and on the top left of the screen appeared some text ("kernel is not seandroid enforcing" and below it is " set warranty bit: kernel"). I cannot access recovery and download mode( in a way) because when I plug in the battery and hold power + home button + volume up, in the top left corner of the screen, it states that it is in recovery mode but even before the TWRP could start, the phone would turn off immediately. Same goes for the Download mode. I can reach up to the part where I would choose whether to continue or not to download mode but even before I could make a choice, the phone would shutdown immediately. I have been using custom ROMS for almost a year now and never had a serious problem (aside from the part where my phone at times suddenly reboots for no reason at all) until that night where my phone ran out of battery power. Now i tried charging the battery using a clip charger because I was thinking that maybe the charging port of my phone is defective, but as it turns out, I didn't have any luck at all. I tried to plug in the battery again and the phone turned on automatically (without pressing the power button) but the problem remains the same. can anyone please help me regarding my phone problem? it would be very much appreciated.
Thank you
Click to expand...
Click to collapse
Your power button is stuck/faulty.
It's common problem on the s4. Try to wiggle it loose or replace it.
Lennyz1988 said:
Your power button is stuck/faulty.
It's common problem on the s4. Try to wiggle it loose or replace it.
Click to expand...
Click to collapse
I'l try. thank you very much!
about the part where my phone suddenly shuts down after showing the unit name "SAMSUNG GALAXY S4"? do you have any idea how to solve it? thank you
vincezabdiel said:
I'l try. thank you very much!
about the part where my phone suddenly shuts down after showing the unit name "SAMSUNG GALAXY S4"? do you have any idea how to solve it? thank you
Click to expand...
Click to collapse
It's the power button.
Your device will not turn on because the power button is stuck in the pressed position.
Replace or try to loosen it.

Boot Logo Repeating

I have a galaxy s4 (i9500) and got it in used condition, a year ago. Never suspected a single problem in it.
Today I powered off my mobile for charging then after 25 minutes I took it off. I held the power button then I saw my boot logo(Where there is written Samsung Galaxy S4 GT-i9500). That logo kept showing as usual for 2 seconds and screen went black and again that logo appeared for 2 seconds and screen gone black and again it appeared, so, I'm stuck in kinda loop not a bootlooop exactly(maybe because bootloop refers to being stuck on boot screen while in my case its boot logo). I then removed the battery and inserted it back after an hour and as soon as I inserted it back the mobile itself turned on as if I held power button but this time again I was stuck in that loop. Moreover when I tried going into download mode, I didn't even need to hold the power button along with the volume down and home, it itself proceeded to confirmation screen of odin mode. And after that confirmation screen appeared saying that whether I really want to boot into download mode, disappeared itself after like 3 or 4 seconds even though I didn't press any key. And in case I press vol up key confirming to boot to download mode, then it again takes me to that loop. I'm too much confused . I can't even flash the firmware as it won;t boot to download mode neither am I able to boot into recovery.
Now do u really think the problem might be the power button(Which is maybe stuck in the state of pressed).
Or else it can be the battery coz my battery is also just average not too good?
I also inserted the command( in build.prop file) for enabling nav. bar and the code was correct but I never rebooted after inserting that. this was the first time I rebooted after that.
SOrry for some bad English.
Do you have something like this? I'm now having problem with getting my phone back to work...
https://youtu.be/HxnV-tn2vpA
From what you say it seams like power button problem, try to start the phone and connect it to the charger. When it start take out the battery, it will be powered by charger and you will eliminate battery problem.

Some help needed with my beloved Defy+

Hello,
As a newcomer to the forums, I'd like to ask for some help. I tried some of the methods described in several posts, to no avail. The situation is this:
Yesterday, I forgot my Defy+ on my desk and the alarm went of at 21:00 as programmed. It went for about 30 mins after that it was cancelled by default. I switched the wifi on and the phone restarted. In fact it stuck in a restart loop, mostly with the Motorola logo on screen. I took the battery out, kept it for like 30 mins, popped it back in and it went to the recovery console with the exclamation mark and the little droid icon. It stayed there for 30 sec, after that it went dark. Now this happened before so I did not panic and tried the battery swap again.
However, this time the phone is silent. Dead. If I plug it into a PC it gives me the notification sound (like when you pull out a usb drive from your PC) and the battery still gives out 3.7V.
No reaction for pressing the power button or volume up/down or any combination of that.
My question is: Is there a way to revive my beloved phone or is it just a piece of history now?
Additional info: Yes, it was a stock Defy+ with Android 2.3.4.
Any help is appreciated!
Update
Update: When I plug it into a PC with the Volume- button pressed down, a white LED starts to light until I disconnect it. During this if I try to enter bootloader mode, the PC recognises it as an unknown device and immediately prompts me to reconnect it.
Any ideas?

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