Tab 4 T-235 stuck on boot - Galaxy Tab 4 Q&A, Help & Troubleshooting

Hi, my friend has the mode in the title and asked me to root it and lock it right down so only email was available, I did this and all seemed to go fine apart from it can no longer see the sim card, when i was testing it I was able to root with no problems and then I unrooted and went back to stock and then rooted again just to test some features, this all worked fine, now when I really need to I can't, I have tried going back to stock rom using twrp but the flash kept failing, I now seem to be stuck on the boot screen, the only place I can go is into download mode, I cant even switch off, it just comes right back on and stays on the boot screen, any ideas?

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phone stuck on loading (S) screen

hi guys
running cognition v1.1, this morning i had configured my work's exchange email and the phone decided to freeze no matter what i tried, it wouldn't even shut down, so i took the battery out and put it back in, since then the phone won't boot, it is stuck on the black GALAXY S II screen and won't go further... i have tried taking the battery on and off a few times that didn't help either.
1 weird thing is that the second i put the battery back it starts itself automatically without me even pressing the power button, isn't that weird?
not even able to go into recovery mode...
please help, i have had the phone for less than week.
Try to get into recovery mode... You need to reflash...
did a full wipe through CWM - reinstalled rom, same thing.
can i safely update firmware using ODING to XXKG2 and go on from there?
KG2 is not a firmware i would update a broken phone to preferring KF3 stock after a full CWM format .
jje

[Q] Google Screen freeze

So my nexus went into a reboot cycle earlier, and I decided to flash it back to the stock image. Everything seemed to go fine, I got to the end and told my device to reboot. It came back and sat at the google screen with an unlocked padlock at the bottom (odd because i told it to lock again and fastboot said successful)
I reset the device back into recovery mode again, then again told it to reboot with "fastboot reboot" Again, frozen back at google screen, except this time I cannot get back to recovery mode. Nothing I do gets anything other than the google screen. Computer wont recognize device, I even opened up the back and removes/reattached battery to force a shut down.
Anyone run into this? Ive pretty much accepted at this point its fully bricked and will just go out and get the 32 gig version Ive been wanting anyway.
Thanks

Goes into ODIN mode after flashing Hyperdrive with Safestrap

In advance, I normally try to fix problems myself thus I dont post much, so I'm sorry if this is in the wrong area. I have already spent about three hours researching and trying to figure this out.
I've gotten sick of the loads of Verizon bloatware slowing down my phone, so I finally pulled the trigger to try safestrap. I'm using the ME7 build so that was the only option.
Safestrap installed without a problem. I flashed Hyperdrive successfully, but the ME7 modules available here would fail to flash even after I checked the MD5. I flashed from another source here successfully.
After all of this, when I boot the phone into that module, it will go to a black screen after the "safestrap enabled" logo. After about a minute, the phone will vibrate, show the Samsung logo, and then go into ODIN download mode.
The only thing I can do now is hold the volume down during start up. This loads a warning about how installing a custom OS will catch your phone on fire with a continue option (which results in the ODIN block), or a Cancel option (that restarts the phone and shows the safestrap logo before going to the black screen etc.) From this I can change the boot default to the stock OS if I choose, but I still cant use Hyperdrive. I have already tried deleting the ROM slot and starting over, but that didnt help.
Thank you so much for the help!
Edit: I tried bonestock and just got a black screen.
Edit 2: I also tried google edition and it would go to a black screen, restart, and loop again.

unable to enter recovery mode..stuck at lg logo

My wife killed her phone. She had romboons 30 installed with dorimanx 4.2 kernel and blastagators twrp 2.8.7.1
She then started installing other roms and now the phone is stuck at lg logo bootloop. I tried every button combination to get into recovery but notting
Tried download mode but it says rooted and freezes.
I am running linux lite 2.4 and am not that experienced at it.
My wife knows that its her own fault that the phone doesnt work anymore but is there a way to get it back to life again?
Thanks a lot for your help
Edit: Been trying to get into recovery mode for the past 3 hours. tried all combinations but notting. I only am able to get into a screen for hardware buttons. Download mode doesnt work either. phone is detected by linux when i hook it up.
I think the wife finally completely killed the poor phone It does not want to go into recovery
Well will mean that i will have to learn how to live without a phone cause she already took mine as replacement.
I have been able to get into recovery after several hours and installed new rom. So this can be closed and if you want even be deleted

Sm-g900f (uk) galaxy s5 - arrgghhhhh

Can anyone PLEASE help??
My partner opted to do a suggested update on her S5, but didn't notice the wifi was off. The phone seemed to have done the update, but shortly after it rebooted itself, then again, then again. The frequency of reboot got quicker and quicker and now it loops between the Galaxy S5 splash screen and the SAMSUNG logo, but doesn't go any further.
I managed to boot the phone into reset mode, cleared the cache and then did a factory reset, but that did nothing to prevent the boot loop.
I then downloaded Odin (ver 10.3.7) and what I believed to be the correct firmware (G900FXXS1CPLV_G900FVFR1CPJ1_G900FXXU1CPIW_HOME.tar.md5).
Having checked the battery was charged, I followed the instructions of connecting the phone via USB, loading the md5 in the AP, checking Auto Reboot and F-Set time in the options and clicking the Odin Start button. I had removed the battery, replaced it and then booted it into the update mode (Power, Home, Volume Down, then volume up) with the screen confirming I was in the right place (....do not unplug.... etc).
The file loaded, (green bar at top of the Odin window on my PC) and Odin reported success. I then disconnected the phone, booted in recovery mode, reset the cache and then did a clear data, factory reset.
The same symptoms prevail, STUCK IN BOOT LOOP!!!!
The only thing different is that if I plug it into the USB on my PC, after a while the phone tries to turn itself on and goes into either a boot loop or freezes on the Galaxy S5 Splash screen or the SAMSUNG Logo.
I am charging another battery (just in case that is in some way to blame) and will try again to replace the firmware, but could I be missing something, do I need to do anything with PIT (I thought this was all taken care of by Odin using the MD5 file) or is there some other test I can perform that will show if the phone is fried???
MANY THANKS for looking!
ur going correct, try to reflash it again through odin and dont disconnect phone until it boots into system, it is taking some good time, so just wait and dont do anything this time like clearing anything or restoring. i hope ull get success.
THANKS - but...
Thanks Rayzen, I will try the whole thing again, but I think there is something more to this than a firmware fault!
There and gone again
OK, so on the 4th attempt I got the phone to take the firmware using Odin, it reported success and the phone rebooted itself (several times) and eventually appeared to boot to a new factory reset.
I put in a SIM card and entered my email and google account details and left it charging over night. This morning when I tried to use it, the screen froze and then it rebooted itself. Hey presto, the phone is back to square one with a boot loop.
ANYONE (please) got any suggestions?
THANKS
No one??
same here, same symptoms, same feeling.
when flash gone right... i feel lucky.. but for half hour only, rebooted and angain in boot loop.
I cannot even boot in recovery. flashed TWRP. from 5 boots in recovery only 1 success.
When trying to wipe phone in TWRP - it hangs.
still trying to install some other (custom) rom. still no success.
hope never dies
same things happened here! now cant get samsung galaxy s5 to boot...............
Are you sure your using right firmware? as it took me a few versions before it booted last time this happened?
Could any please confirm what is the right firmware for samsung galaxy s5 900F
It took another 6 or 7 attempts, left it over night and was about to trash it when it booted.
I then received a 'software update available' message and tried installing it. First attempt put the phone back into boot loop so I reflashed it again using Odin.
That worked immediately the over the network software update installed and now phone is 100%
Very frustrating but I got there!
glad you fixed it! ive tried three different firmwares and still nothing.
trying this one atm
G900FXXU1ANE2_G900FEVR1AND1_G900FXXU1ANE2_HOME.tar
oh and how long do they take to boot when there are sitting at the samsung glowing screen?>
I'm in UK and used what (I had to guess) was the best firmware.
I'll let you know which version it was when I get home tonight.
BUT I had all the problems with a single version and it eventually came good.
I read somewhere that overwriting a different core (from specific providers) with generic firmware, could lead to a world of pain until it gets full replaced... not sure if that's a good description (or has any fact to it) but it seemed to be re-loading and re-loading and re........ for ages, finally cracked it.
well mines booted now!but getting constant errors about samsung push!
If it'still booted, you'very made progress!
Push issues are mentioned elsewhere and can (eventually be sorted) but if you have a booted phone you should be able to get an over the air software update installed from the service provider....?!

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