G900H - Stuck at Samsung Logo - Galaxy S 5 Q&A, Help & Troubleshooting

Hello
I have a rooted G900H on the stock ROM with the stock recovery installed.
I was going to patch the core.jar using Lucky Patcher so I figured I should make a nandroid backup first, so I booted to recovery only to find out it was the stock recovery. I figured I would go back to normal and then figure it out from there.
I chose the 'reboot to system' option and the phone got stuck at the Samsung logo.
I tried removing the battery and when I booted it up it got stuck again.
I have tried choosing the 'power down' option then turning it on, booting it without the microSD card, rebooting using power and volume down, and removing the battery and replacing the battery with a spare I have but everything leads back to the same - stuck at the Samsung Logo.
I have also tried rebooting to bootloader which also leads to getting stuck at the Samsung Logo.
When I go into the recovery it comes up with the Android Bot with it's body open and "no command" very quickly, before getting to the system recovery.
The last thing I tried was clearing the cache partition then choosing the 'reboot' option. Again, stuck at the Samsung Logo.
On the system recovery it has "Android System Recovery <3e> LRX21T.G900HXXU1BOAD" in red at the top.
If possible, I would really like to avoid having to factory reset or flashing a ROM again.
Thanks

Boot to recovery and clear the caches, see if that gets you back in, if not, flash the same stock ROM over the top of that one, you'll only lose root

Thanks for the reply.
I have tried clearing the caches from the recovery and rebooting but it did not help.
How would I go about reflashing the stock rom without a custom recovery? And where would I get the file?
Thanks

sammobile . com & ODIN
All links and instructions are under the download on sammobiles firmware section of their site, just enter your S5 Model into the firmware section (Free account needed to download)
Or samsung-updates . com

Hey. Sorry, I forgot to reply. Your suggestion worked out. Thanks for the help.
I was able to go back then get a custom recovery. Thanks again./

Nice one

Related

GT-I9505 Stuck at Boot

I decided to unroot my S4 seeing as though a rom I had flashed was screwing around with my system. I eventually was able to flash a stock rom via kies, but now the phone is stuck at the boot screen (Samsung logo with blue light).
I have tried booting into recovery mode, but for some reason after 5 seconds, it just ignores it and goes into standard boot, something that it has done since I flashed the bad rom.
Would anyone know a fix for this?
Thanks in advance.
An update. I managed to get into recovery mode but instead of the normal android with the blue square, the android is on the ground with a red triangle. I've wiped cache and data, but still getting stuck at the boot screen.
Some help would be appreciated.
re: reset
Pyroaves said:
An update. I managed to get into recovery mode but instead of the normal android with the blue square, the android is on the ground with a red triangle. I've wiped cache and data, but still getting stuck at the boot screen.
Some help would be appreciated.
Click to expand...
Click to collapse
There is a 50/50 chance that if you go back into twrp/cwm custom recovery
and do a "factory reset" it would boot up normally unless you also wiped
"system".
Good luck!
Pyroaves said:
I decided to unroot my S4 seeing as though a rom I had flashed was screwing around with my system. I eventually was able to flash a stock rom via kies, but now the phone is stuck at the boot screen (Samsung logo with blue light).
I have tried booting into recovery mode, but for some reason after 5 seconds, it just ignores it and goes into standard boot, something that it has done since I flashed the bad rom.
Would anyone know a fix for this?
Thanks in advance.
Click to expand...
Click to collapse
Flash a stock firmware using odin in download mode then see if it reboots
If not go to stock recovery after that factory reset and wipe cache reboot

[Q] Recovery Boot loop, can't go into recovery or my ROM: standby maybe have answer

Greetings.
I am sure there is an answer on XDA but an hour of Googling has got me stumped. Please point me to the right answer.
Starting point
Rooted N900T, stock rom, stock recovery.
What I did
Installed ROM Manager
Told ROM Manager to install the latest CWM for my phone. Completed with no errors.
Tried to boot into recovery with the standard "hold power, vol down, and home" but I could never get into recovery. It would look like it would start to boot into recovery then it would reset and boot into the regular ROM.
Then I told ROM Manager to reboot me into recovery.
Then it went badly... I am stuck in a boot loop that continuously shows going into recovery, then samsung logo, then repeat.
I have pulled the battery, tried to go into download mode, tried connecting USB, tried Odin.
What I want is a working phone. I would like to back up the stock rom and go to CM12 nightlies but for now I will just take a working phone.
Please help,
David
think I found the answer at http://forum.xda-developers.com/showthread.php?t=2666432
At least I got out of the loop, not fixed but progress.
That worked, the only other piece of info you might need if someone else has this problem is that there is no PDA button on the latest version Odin, it is called AP

[Q] I9505 Help

Just making a post to ask for some help with my S4, to make a long story short ill make bullet points.
1. Booted into recovery (Philz)
2. Wiped it using the install a new rom option
3. Someone knocked at the door, I came back and the phone screen had gone off.
4. Turned it back on
5. tried to boot into recovery but it just hung on the boot screen with the text "Recovery Booting"
6. Tried flashing a different recovery but it still gives the same text
I've tried reflashing recovery and re-partition the phone with odin and now I'm really clueless at what to do next, anyone know how I could fix this?
thanks in advance - peter :fingers-crossed:
- Did you uncheck auto-reboot before flashing the recovery?
- Can't you get a working phone at all with flashing stock?
ps I don't think wiping and your screen turning of are related. It's just a coincidence.
TWRP doesn't work?
Try to flash a Stock ROM and reflash TWRP before. In my opinion, TWRP recovery is better than Philz or CWM, but if you want, flash the recovery that gives the better results for you.
When my screen hangs at "rebooting recovery" I simply turn the phone off and reboot again into recovery and it usually works.

[FIX?] Stuck on bootloop

Hi all,
I have a UK N910F 32GB Snapdragon Note 4, with a custom Lollipop rom that I've been using with no problems for a few months (http://forum.xda-developers.com/note-4/snapdragon-dev/rom-bob4-devbase-multi-csc-safe-bloat-t3033881). Yesterday the weirdness began - my Note 4 froze randomly in normal use and rebooted. It was then fine for around 5 hours, then froze again, and when it restarted it would continue to freeze on start-up. At that stage I could still boot into recovery (Clockwork Manager custom recovery), so I tried clearing cache and dalvik, which changed nothing. But now I am unable to do even that - it just gets stuck in bootloop and won't even go into recovery.
When I turn it on, it will stay on the Samsung splashscreen for 10 seconds, then reboot and vibrate twice, then go back onto splashscreen, reboots, etc. I need to remove the battery to stop this. The only thing I am able to do is boot into download mode, where the phone works with Odin fine, and I am able to flash successfully with Odin.
So far I have tried reflashing a stock UK 5.0.1 ROM - it initially gave me the ext4 error but I then got the N910F pit file and repartitioned - Odin flashing completed fine, then still got stuck on splashscreen with "Recovery booting...."). I have also tried to flash CWM and TWRP, which both flash fine, but then the phone still won't boot into recovery - I get:
#1 Battery in
#2 power on
#3 vibrate
#4 screen on RECOVERY BOOTING
Recovery is NOT SEANDROID ENFORCING
Set Warranty Bit : recovery
and doesn't boot into recovery. I'm pretty sure I'm using the correct TWRP and CWM versions.
I've spent all day trawling XDA and the wider web with no luck. Does anyone have any ideas on how to fix this? I'm hoping it is a softbrick but cannot work out how to get it back. I don't care about losing any data at this stage, just keen to bring my Note 4 back to life!
TL;DR: phone will stay on bootloop when powered on - not caused by failed software install, just started happening randomly. Cannot boot into recovery. Download mode works and can flash with Odin, but all attempted flashes so far haven't helped even when Odin succeeds in flashing.
Markachy said:
Download mode works and can flash with Odin, but all attempted flashes so far haven't helped even when Odin succeeds in flashing.
Click to expand...
Click to collapse
.
Have you tried flashing your variants cf-root file with auto reboot unchecked, let it Pass, remove USB abd battery, wait 30 seconds and reboot? Sounds weird.. i know, but for a while that put many users on 5.0.1 softbricks back to their previous working ROM.
I've just done that, it flashed successfully, I took battery and cable out and then rebooted after 30 seconds - it is now booting onto Samsung bootscreen, says:
RECOVERY BOOTING
Recovery is NOT SEANDROID ENFORCING
Set Warranty Bit : recovery
Then reboots itself, same thing happens, reboots itself - back to a bootloop, but with the above written.
What's the fix for the above? Does it mean the recovery installed is wrong for the Android Rom version I have?
Thanks for your help so far, much appreciated.
Markachy said:
I've just done that, it flashed successfully, I took battery and cable out and then rebooted after 30 seconds - it is now booting onto Samsung bootscreen, says:
RECOVERY BOOTING
Recovery is NOT SEANDROID ENFORCING
Set Warranty Bit : recovery
Then reboots itself, same thing happens, reboots itself - back to a bootloop, but with the above written.
What's the fix for the above? Does it mean the recovery installed is wrong for the Android Rom version I have?
Thanks for your help so far, much appreciated.
Click to expand...
Click to collapse
If you can still boot into the download mode and want to boot into the system as normal, using Samsung's Smart Switch tool will work. Search Google for "Samsung Smart Switch" no quotes, install the program then after finished installing, in the application, click MORE at the Smart Switch window, then click Emergency software recovery and initialization, then follow on-screen steps.
phongpan355 said:
If you can still boot into the download mode and want to boot into the system as normal, using Samsung's Smart Switch tool will work. Search Google for "Samsung Smart Switch" no quotes, install the program then after finished installing, in the application, click MORE at the Smart Switch window, then click Emergency software recovery and initialization, then follow on-screen steps.
Click to expand...
Click to collapse
Just tried that, same issue. When it boots after installation, it says "Recovery booting..." in top left corner, then goes into bootloop. Thanks for the tip though.
Any other ideas out on the grapevine? Or is it time for a return?
I'm having the same issue. Tried stock ANK4, BOB4 and BOC3. Only bootloops and can't reach recovery mode.
Than I tried TWRP 2.8.7.0 and "philz_touch_6.59.0-trlte" but they don't work either.
Don't know what to do now. Never had this issue before on any Samsung device
EDIT: Tried Samsung Smart Switch and it dowloaded PDA: OC3 / CSC: OB6 / PHONE: OC3 (DTM). But my Note bootloops furthermore
Saw 2 other guys with the same Problem and no solution here.
And I found this. This could be the same issue we are facing:
http://forum.xda-developers.com/showthread.php?t=1840030
Hope there is a dev that can make this for our 910F
Hi all
This is now also happening to me...
Have Odind back to stock and it works for about 4 hours,
Then issue starts...
Reboots randomly
Then reboots to blank screen... No recovery
Again uk note 4. 910f

T561 - cannot get into recovery despite stock flash

Hello,
I have got tough nut to crack - T561 so nonQualcom one I bought on ebay.
Generally it is stuck on boot logo. I can get into Download Mode but not into Recovery mode (i know the combo - it simply doesn't work).
It is recocgnized by ODIN so I have tried flashing stock rom - it passes but even stock ROM is stuck on boot logo and doesn't go into Recovery.
I have tried flashing TWRP via ODIN - flashing passes but still cannot get into recovery - what's more there is red exclamation mark in upper left corner of the screen.
After TWRP i can still flash stock ROM and exclamation mark disappears - so it is just a marker of non stock component.
I have simply ran out of ideas. One interesting comment I have found on different device :
Factory resetting and wiping cache removes the conflicting data and allows the device to boot. Flashing via Odin does not wipe the data from the device during the flashing process unless the firmware being flashed has an upgraded/downgraded bootloader.
Click to expand...
Click to collapse
Is there an option to upgrade bootloader in my case so the caches are wiped ?
Or maybe someone has any other idea ?

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