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[Q] Is it a hardware problem?

I am having this weird problem in my phone..
It shuts down suddenly and then goes into boot loop i.e. the SAMSUNG logo keeps on blinking until I remove the battery.When I put the battery back, the phone factory resets itself...Please help?

smartboy_anu said:
I am having this weird problem in my phone..
It shuts down suddenly and then goes into boot loop i.e. the SAMSUNG logo keeps on blinking until I remove the battery.When I put the battery back, the phone factory resets itself...Please help?
Click to expand...
Click to collapse
Did you do something with your phone or did this happen all by itself?
Try flashing STOCK ROM via Odin.

Put your phone in recovery, Try wiping user data but it'll delete you contacts. If nothing happens then reflash.

Hi All,
I am facing the same issue. I upgraded my firmware from stock 2.2 to 2.3.3 GB around 6 months back and it was working fine till 2 days back. Suddenly 2 days back it started restarting itself and it ended in a boot loop. When I tried removing battery and started the phone, it semi resets the phone(like contacts and other settings getting deleted). I tried going to recovery mode and did factory reset/ Wipe cache and restarted my phone, but it was of no use. Today I tried to flash my phone with XXKPQ firware for which I flashed XXKPE first as per the guidelines given in Misledz's post. Flashing was successful, but it again ended in boot loop.
Guys, Please guide me on how to proceed with this. Its really irritating to see my phone in boot loop
Thanks a ton in advance.

rajmohanase said:
Hi All,
I am facing the same issue. I upgraded my firmware from stock 2.2 to 2.3.3 GB around 6 months back and it was working fine till 2 days back. Suddenly 2 days back it started restarting itself and it ended in a boot loop. When I tried removing battery and started the phone, it semi resets the phone(like contacts and other settings getting deleted). I tried going to recovery mode and did factory reset/ Wipe cache and restarted my phone, but it was of no use. Today I tried to flash my phone with XXKPQ firware for which I flashed XXKPE first as per the guidelines given in Misledz's post. Flashing was successful, but it again ended in boot loop.
Guys, Please guide me on how to proceed with this. Its really irritating to see my phone in boot loop
Thanks a ton in advance.
Click to expand...
Click to collapse
I think this is a problem of psuedo reset...flash the stock firmware and take it to the service centre.They will replace the motherboard (you might even get 16GB internal memory )
Sent from my GT-I9003 using XDA

Damn!! I am having the exact same problem and it also started a few days back!! Plus the phone heats up a lot during this with a massive battery drain.
I have tried hard reset, but no good so far and the phone is completely in stock condition DDKP3. Any Solutions??

mznk said:
Damn!! I am having the exact same problem and it also started a few days back!! Plus the phone heats up a lot during this with a massive battery drain.
I have tried hard reset, but no good so far and the phone is completely in stock condition DDKP3. Any Solutions??
Click to expand...
Click to collapse
Read the above post :|
Sent from my GT-I9003 using XDA

It all happened by itself
rockyddroid said:
Did you do something with your phone or did this happen all by itself?
Try flashing STOCK ROM via Odin.
Click to expand...
Click to collapse
SikanderKeynes said:
Put your phone in recovery, Try wiping user data but it'll delete you contacts. If nothing happens then reflash.
Click to expand...
Click to collapse
It all started by itself...I am running the stock ROM only...I have tried clearing the cache and dalvik too..
Now i have flashed the recent ROM by Aditya (Titanium V3) and its having the same problem..!!

One more thing
One more thing that I have noticed is that whenever I press the home screen button after the phone is idle, the screen lights up and then the phone restarts suddenly resulting into boot loop..!!

S6 failing to boot - stuck on factory reset

Hey, my phone has been playing up and generally malfunctioning lately. It seems to work fine for a day or so before freezing, and either rebooting itself or forcing me to manually reboot it using power + volume down. This seems to send it into a bootloop where it generally freezes during the Samsung animation with the pulsing squares. This sequence continues with me manually rebooting, also trying to boot to safe mode and to recovery and after various attempts, i successfully got into recovery without it freezing on the blue android.
I then decided to factory reset as a last option, having looked around on forums for solutions. However, I now do not know what to do as it seems to have frozen during the factory reset. I dont have screenshots but the script reads as follows :
dm-verity verification failed. . .
-- Wiping data. . .
Formatting /data. . .
Formatting /cache. . .
It has been on that for the past 30 minutes and so i have assumed it has frozen. I'm afraid to force another reboot in case it is accessing memory, any suggestions on what to do?
It is up to date on fully stock software, has never been rooted and i have never attempted to do so. Also only around a month old.
Any help would be appreciated, thanks

I did not try to perform a factory reset yet, but my S6 shows the same instability issues.
Random self reboots with getting stuck at the boot animation.
I furthermore cannot enter the stock recovery mode (get stuck at full cyan screen with android logo), only can access the ODIN mode atm.
Booting that device atm is a hit and miss.
(everything stock, never touched that device in the XDA way! )

Update: I had to repair my S6 as instability increased even more.
Samsung licensed repair shop exchanged the mainboard of my S6.
All is fine again (except wireless charging, but I guess they broke it while repairing)

SM-G920I Keeps shutting down and recovery is not seandroid enforcing

Hello everyone,
My Galaxy S6 G920I has started shutting down repetitively. I was on stock and not rooted. After it happened a few times I decided to hard reset it and delete cache but it would get stuck on starting apps screen etc. After many attempts the phone finally started the user's guide for logging in etc. I was getting crash errors for settings and other things. It finally went in only to start shutting down again. Seeing how the apps were crashing I thought that there might be an issue with the stock ROM so I decided to flash a new one. I was having trouble finding my specific so I went for another one found here. I couldn't flash it with ODIN because it was on a zip format so I flashed TWRP on the phone.
The error recovery is not seandroid enforcing is now showing on different versions of twrp (2.8, 3.0).
I can't flash any ROM now and the one found in the device keeps shutting it down.
I don't believe it is a hardware issue as the phone stays on without issues on download mode. Any help on what steps to follow next would be highly appreciated.

apostol96t said:
Hello everyone,
My Galaxy S6 G920I has started shutting down repetitively. I was on stock and not rooted. After it happened a few times I decided to hard reset it and delete cache but it would get stuck on starting apps screen etc. After many attempts the phone finally started the user's guide for logging in etc. I was getting crash errors for settings and other things. It finally went in only to start shutting down again. Seeing how the apps were crashing I thought that there might be an issue with the stock ROM so I decided to flash a new one. I was having trouble finding my specific so I went for another one found here. I couldn't flash it with ODIN because it was on a zip format so I flashed TWRP on the phone.
The error recovery is not seandroid enforcing is now showing on different versions of twrp (2.8, 3.0).
I can't flash any ROM now and the one found in the device keeps shutting it down.
I don't believe it is a hardware issue as the phone stays on without issues on download mode. Any help on what steps to follow next would be highly appreciated.
Click to expand...
Click to collapse
Update it via smart switch it will turn on after that for sure. Or download the latest firmware via samfirm and flash it with Odin.

Thanks!
ammarwajihi said:
Update it via smart switch it will turn on after that for sure. Or download the latest firmware via samfirm and flash it with Odin.
Click to expand...
Click to collapse
I tried flashing the stock rom with ODIN and the phone successfully boots now. So a big thanks for that as it is progress. BUT the issue I was orginally having persists: The device keeps turning off 10-20 seconds after booting. Do you have any idea why that might be?
Sometimes it will freeze first and then turn off but never stay on for longer.
I have tried Safe Mode and turning all connectivity related modules off.

apostol96t said:
I tried flashing the stock rom with ODIN and the phone successfully boots now. So a big thanks for that as it is progress. BUT the issue I was orginally having persists: The device keeps turning off 10-20 seconds after booting. Do you have any idea why that might be?
Sometimes it will freeze first and then turn off but never stay on for longer.
I have tried Safe Mode and turning all connectivity related modules off.
Click to expand...
Click to collapse
This is weird don't know what the problem might be. Still I suggest you to flash it with smart switch once and see.

Samsung Galaxy S6 Edge is not booting even after a factory reset

My Samsung Galaxy S6 Edge is not booting even after a factory reset
A mobile app. for Android was installed successfully and since then I’m only having issues with my Samsung mobile:
- Since the installation of both the Hockey & Mobile Banking apps, my mobile freezes during any regular action and after a few seconds the device auto-restarts itself intermittently; this happened during the weekend while in use;
- Sunday night I uninstalled both the Hockey & Mobile Banking apps and the phone continued to freeze and restart intermittently. I was able to boot in SAFE MODE.
- This morning after the phone was turned off and turned on, the phone is not loading; the boot is looping and unable to reach the menu. I’m able to boot in SAFE MODE.
- This morning I did a Factory Reset, when done I get the “welcome” screen and right thereafter, the mobile freezes, auto-restarts and the boot keep looping.
Any help would be highly appreciated.

Hey guys, any suggestions...? I tried last night restoring the OS using Samsung Smart Switch application and the process went just fine the first time and during the setup process the phone just restarted against and for stuck in bootloop again.
I did a second attempt but after the PC is don and the phone boots it gets stuck.

Sometimes after restoring stock firmware and you get a bootloop, you have to boot to stock recovery and factory reset then wipe cache partition.
I know you said you did that once before you posted, you did that before you used SmartSwitch. Have you tried factory reset since restoring with SmartSwitch?

Yes, I did with SS last night; I did it again this morning and after completing the 100% software download, it started updating the device and at 97% it stopped and got the message "FAILED".
now as we speak, I restarted it again and now it's at 66^ downloading the files.

How can I perform a clean install using SS...? or do I need ODIN...? I want to keep the mobile as original as possible.

If you can find your stock firmware, download it and flash it with Odin, it's more reliable.

Maybe a stupid question: Where can I find my stock firmware...?

My info:
PDAIX / CSCI2 / PHONE: PHH (XFA)
I found the Firmware on SAMMOBILE: https://www.sammobile.com/firmwares/galaxy-s6-edge/SM-G925F/XFA/download/G925FXXU4DPIX/108273/
Is this a stock Firmware and reliable source...?

Sammobile is a very reliable source, if that firmware is the newest one for your model number and country/region/carrier then you're good to go.

I did install Firmware corresponding to my phone (PDAIX / CSCI2 / PHONE: PHH (XFA)) using Odin, I can use the phone for like 2 or 3 minutes and then it freezes, restarts and gets into boot loop.
Any more drastic measurements to take...? Is there an online tool to test the hardware function(s)...?

After flashing stock firmware, have you tried booting to stock recovery then do the factory reset and wipe cache then reboot.

Yes, I did...!
In ODIN, do I load only the "AP"...?

In most situations, AP is all you need if the firmware is an all in one firmware file, if you have a 4 part firmware then you need to put each part in its corresponding tab/slot in Odin.
Sometimes you have to flash more than once to be successful.

My phone is running like a horse now...! No more intermittent restarts nor boot looping.
I just did a clean install of Android 7.

The clean install of Android 7 went fine and now it's working back again, was because I changed the "Reactivation Lock" to OFF; I think this helped.

Galaxy S6 - freezing and rebooting 50+ times a day

I've got a Vodafone UK version SM-G920F that has recently started to freeze, crash and reboot constantly.
I managed to back up my data and perform a factory reset from the Setting page, but it crashed 10+ times during the install process (would freeze at various different stages, either rebooting on its own, or requiring a Vol Down+Power reset)
I'm now on a fresh install, but it's still rebooting constantly. I managed to use it like normal for an hour today, but right now it's just rebooted 3 times and won't even get past the Samsung loading screen without several Vol Down+Power resets.
What other options do I have? And is anyone aware of a known hardware issue that could cause this?
I was considering flashing a different ROM, but I'm scared it would reboot during the process and corrupt something...

robjg said:
I've got a Vodafone UK version SM-G920F that has recently started to freeze, crash and reboot constantly.
I managed to back up my data and perform a factory reset from the Setting page, but it crashed 10+ times during the install process (would freeze at various different stages, either rebooting on its own, or requiring a Vol Down+Power reset)
I'm now on a fresh install, but it's still rebooting constantly. I managed to use it like normal for an hour today, but right now it's just rebooted 3 times and won't even get past the Samsung loading screen without several Vol Down+Power resets.
What other options do I have? And is anyone aware of a known hardware issue that could cause this?
I was considering flashing a different ROM, but I'm scared it would reboot during the process and corrupt something...
Click to expand...
Click to collapse
Maybe a battery issue?

a friend just gave me his very same model phone with the very same issues.. if I find out anything I'll tell you here, or if you solve it first please write down what you did.

Thanks Vibbuz.
I've been trying to download a stock firmware to flash via Odin, but download speeds from Updato are really bad.

So I managed to flash a firmware after installing Odin on a Windows laptop (painful trying to get it to work on my Mac)
Firmware installed OK, but after boot I was getting a constant "com.sec.epdg" pop-up box that wouldn't let me use the phone at all. Not sure if that's due to the tsar3000 firmware?
Wiped the cache and did a factory reset after booting into recovery, and now it's stuck in a boot-loop again (95% of the time it hangs at the Samsung logo animation)

Just tried using SamFirm v0.3.6 to find the correct file. Downloaded a 4gb file, but several attempts to extract only gives BL, CP, CSC files but no AP (throws up an Unknown Error during process).
So still stumped!

Yet another update. Left Updato running overnight and downloaded a firmware.
Flashed it with Odin, claims to have succeeded but phone then reboots and hangs at "Erasing" stage (Android logo is spinning, then stops)
I'm starting to think it's pretty broken...

I've been having this exact same issue since June. If your phone happens to boot try activating power saving mode (to reduce cpu speed) as soon as possible.
It seems that doing that diminished the frequency in which my phone rebooted. If it also helps you it might be a faulty battery that can't provide enough voltage. (I'm not 100% sure on this part though, just thought of it because of the apple batteries drama)
Please post your results! Looks like a lot of people are affected by this and it would be great if we could find the cause of the problem.

I just read your thread actually! Sounds very similar to mine.
I've got nowhere. I don't think it's hard-bricked as I can still access Odin mode on the phone, and sometimes boots to Recovery, but it freezes and various different points and is currently unusable (either freezes at Samsung logo, "Erasing" part after installing firmware, or once it started to run though new device setup then froze).
Went ahead and bought an S8, but still want to fix the S6!

robjg said:
I've got a Vodafone UK version SM-G920F that has recently started to freeze, crash and reboot constantly.
I managed to back up my data and perform a factory reset from the Setting page, but it crashed 10+ times during the install process (would freeze at various different stages, either rebooting on its own, or requiring a Vol Down+Power reset)
I'm now on a fresh install, but it's still rebooting constantly. I managed to use it like normal for an hour today, but right now it's just rebooted 3 times and won't even get past the Samsung loading screen without several Vol Down+Power resets.
What other options do I have? And is anyone aware of a known hardware issue that could cause this?
I was considering flashing a different ROM, but I'm scared it would reboot during the process and corrupt something...
Click to expand...
Click to collapse
Does it have twrp? Try a non stock ROM and kernel

So did anyone manage to find an issue in this rebooting. I am having the same issue.

damir_nis said:
So did anyone manage to find an issue in this rebooting. I am having the same issue.
Click to expand...
Click to collapse
Hi I have same Problem I send the my s6 for repairmen that Saied me this problem related to mobile Hard drive.
I didn't believe it and try some official rom and a rom from Philippine GLB solve my problem for 3 M/o but now developed as same problem whitout any successful rom installation.
I think this problem from incompatibility google play store version to my rom. please flash a custom rom without google apps and immediately after installation turned off data and Wi-Fi internet after 2 day whit sim card whit out any change in setting can use it.

Hello,
anyone found some kind of solution? Happened to me also - freezing, restarts and then my S6 stopped working.. Sometimes I can boot to recovery menu, sometimes it boots up to android (and then freezes again), but the chances are almost non existing. Service man told me the same thing as @ghasemzm - eMMC failure. Yes, it is completely possible, but i don't wanna believe it, because they only tried to reflash the rom. I've made some "google research" and found that there were some issues in power IC on S6/S6E. Could this be related to it?

ghasemzm said:
Hi I have same Problem I send the my s6 for repairmen that Saied me this problem related to mobile Hard drive.
I didn't believe it and try some official rom and a rom from Philippine GLB solve my problem for 3 M/o but now developed as same problem whitout any successful rom installation.
I think this problem from incompatibility google play store version to my rom. please flash a custom rom without google apps and immediately after installation turned off data and Wi-Fi internet after 2 day whit sim card whit out any change in setting can use it.
Click to expand...
Click to collapse
Will test the theory and let the group know.

So i have installed philipines latest update 6.0.1 i think with PIT file provided on Sammobile.
I have tested it for a day with normal ussage like i set up every other phone and it still continued restarting.
Figured out let me test with no google account signed in and the phone is working perfectly. For a full day.
So i dont know what the problem is but i will try again with google account tomorrow for a day see what happens.
After that will install 7.0.1 uk update with PIT file for it and test with that.

I have the same problem and I am quite sure that it is the mobile hard drive.
I tried to use F2FS but didn't find a working rom for that.
Samsung refused repair because of root.... Never Samsung again!

same issues here - any solutions found? My best guess is hardware fault...