Andriod Galaxy S4 will not start! - Galaxy S 4 Q&A, Help & Troubleshooting

Phone has been rebooting constantly on its own since yesterday when the home button, lock button or unlock screen has been touched. Problem continued until today. Now phone will not boot up past the start up and service provider screen. Help!

aab121 said:
Phone has been rebooting constantly on its own since yesterday when the home button, lock button or unlock screen has been touched. Problem continued until today. Now phone will not boot up past the start up and service provider screen. Help!
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Have you tried restoring your device to it's original factory settings?

As much as I didn't want to, yes. It's still giving me the same problem.

Try flashing stock rom with odin.

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[Q] Nexus 10 won't get past the lock screen.

My N10 won't get past the lock screen. When I try to unlock the screen turns black and returns to the lock screen. I have tried rebooting and tried opening to Google Now or settings with no success. I am running rooted stock Android and haven't flashed anything in over a month. Any ideas?
nickrich1418 said:
My N10 won't get past the lock screen. When I try to unlock the screen turns black and returns to the lock screen. I have tried rebooting and tried opening to Google Now or settings with no success. I am running rooted stock Android and haven't flashed anything in over a month. Any ideas?
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Click to collapse
I fixed it. I cleared cache and fixed permissions in TWRP and it was good as new. I'm not sure what happend.

Power button and boot problems

Hello friends. I have a problem with my Samsung i9500 Galaxy S4. The thing is I can not use the button of power on or turn to lock the screen because the phone is turned off or rebooted and the Samsung logo appears, then it looks like is about to initialize but then reappears Samsung logo. The only way I can turn on the phone is by pressing the buttons of recovery mode and after about 3 attempts, the phone starts normally. I have the stock Rom 4.3 Jelly Bean. On the other hand this started since I took out the SD memory. I have reinstalled the ROM again and continued doing the same. No it may be. I think it is a problem in the boot but I can not solve it. I can not lock the screen with the power button because the phone turns off. I hope you can help me. regards
Elvin_89 said:
Hello friends. I have a problem with my Samsung i9500 Galaxy S4. The thing is I can not use the button of power on or turn to lock the screen because the phone is turned off or rebooted and the Samsung logo appears, then it looks like is about to initialize but then reappears Samsung logo. The only way I can turn on the phone is by pressing the buttons of recovery mode and after about 3 attempts, the phone starts normally. I have the stock Rom 4.3 Jelly Bean. On the other hand this started since I took out the SD memory. I have reinstalled the ROM again and continued doing the same. No it may be. I think it is a problem in the boot but I can not solve it. I can not lock the screen with the power button because the phone turns off. I hope you can help me. regards
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It happens the same problem as you, could you fix it?
Elvin_89 said:
Hello friends. I have a problem with my Samsung i9500 Galaxy S4. The thing is I can not use the button of power on or turn to lock the screen because the phone is turned off or rebooted and the Samsung logo appears, then it looks like is about to initialize but then reappears Samsung logo. The only way I can turn on the phone is by pressing the buttons of recovery mode and after about 3 attempts, the phone starts normally. I have the stock Rom 4.3 Jelly Bean. On the other hand this started since I took out the SD memory. I have reinstalled the ROM again and continued doing the same. No it may be. I think it is a problem in the boot but I can not solve it. I can not lock the screen with the power button because the phone turns off. I hope you can help me. regards
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Click to collapse
Upgrade to Kitkat! Or you can flash stock 4.3 OR a factory data reset may help. Try n reply.

N910H Strange Bootloop problem after screen replacement

Hey,
Replaced the screen for my girlfriend (lcd+digitizer+glass), tried to turn it on and nothing.
Tried to reset factory and nothing. Tried to update it from KIES, nothing. Tried odin, nothing.
Stock and custom.
At last i tried HaniBase and it boots, gets to the first screen, where you have to select your language, i can select it and can proceed, but it restarts again, in less then 10 seconds.
Any idea?
Thanks!
Just out of curiosity, did the new screen assembly come with a new Home button built into it?
No home button, its from a different hardware part. I was able to get it working installing cm13

S7 Edge crashes and reboots at Samsung logo, hardware or not? [All Stock]

Im so lost with this, im all stock but one day my phone just freezes then bootloop, I would be able to get it work by just leaving it and let it drain itself since it will be boot looping and lock me out completely, like the power button + low volume button would not work even after 10 minutes of holding it, would not boot to download or recovery mode, just the soft touch keys light on and the blue LED.
I reflashed my ROM from sammobile yesterday but did it half-effort, just dirty flashed it but it seemed to reformatted my phone anyway, after reflashing it, everything seemed to work properly for 20 hours and then now im back to this piece of ********* boot looping...
S7 Edge
running the Australia unbranded XSA-G935FXXS1DQG4 from the branded G935FXXS1DQG5,
would flashing de-branded affect this? or this is hardware?, one thing I did that I think was a mistake is that I chose to restore from old device, can apps cause this?
the very first time this happened, I plugged it in to charge then crash and bootloop.
UPDATE:
Things I've tried,
-Booting with NO sim card and SD Card
-Wiping cache and partition then reflashing stock XSA and OPS firmwares
im convinced that this is a hardware issue and will go to Samsung.
mine does this too. crashes then gets into a bootloop at the Samsung logo. I usually try holding the lock and volume down button. I factory reset the phone once but it still keeps happening, this started happening around 4 weeks ago
Guys your Main/Mother-boards are broken.. u need to replace it, or send back to Samsung..
Damn! Crash reboot samsung logo
Damn you say broken mother board...
did this. Press vol down, power button and home key...hmmm... i think...pressed so many combos hard to tell themapart

My Galaxy Core Prime won't go past the metro pcs screen. Never done this before

Okay so yesterday morning my phone was working fine. ..it died which is whatever it happens, but when I turned it back on,it stays stuck at the metro screen. I have done the volume, home, power button thing but nada...my main question is what could have caused this in the first place? Fine one hour,a [email protected]#$× the next! I'm getting frustrated, help please! !!!!
Maybe try Odin flashing firmware at first? Or if you can go to recovery menu from adb or pressing buttons, you could try factory resetting first.

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