[Q] Stuck At Boot Screen After Rom Install - Galaxy S 4 Q&A, Help & Troubleshooting

I decided to try and install a rom (GF-XXUGNK4-9.0). After installing the rom the S4 is now stuck at the Samsung loading screen. The part where the blue light appears. The device is the IG9505X (Retail Demo Unit.) Any advice as to how I can restore it back to working order?

Samsung Galaxy s4 Rom not working
If you still need this problem fixed it seems NB1 is for 4.4.2 and MK2 is for 4.3 JB rom. This may cause a base OS conflict if not matching bootloaders to the version of Android you have. When an Android won't get past the last boot phase and startup it means that the UI or the settings prop are not working the right way or the kernel may be too far off specifications for your device. If you need anything else, or have fixed this issue, let us know please,....... thanks.

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[Q] Help - stuck

I was getting bored with my standard s4 rom, so in my rush to move forward I flashed http://forum.xda-developers.com/showthread.php?t=2544474 (►►[AOSP] Official 4.4.2 - S4 Google Edition - v10 - Feel the Experience of Nexus◄◄) thinking I was on a i9505 and not bothering to check and also not bothering to make a backup.
anyway it works but I was getting random reboots (known on this rom) and mad battery drain (what previously was 50% at the end of the day now is flat).
So i decided to go back to stock. It was then that I realised that when I do a system check, my phone actually is a i9505g.
I downloaded a couple of i9505g images from http://forum.xda-developers.com/showthread.php?t=2569510 and http://forum.xda-developers.com/showthread.php?t=2544056 however when I try and flash, ODIN come up with a fail. I have tried changing to stock recovery from http://forum.xda-developers.com/showthread.php?t=2442882 but still no luck.
Interestingly when I try flashing the modems from http://forum.xda-developers.com/showthread.php?t=2452034 these won't flash either.
I'm a bit flummoxed as I can flash other modems to it via odin.
I haven't uninstalled drivers and odin or tried other ports as when i flash modems they do work (they don't all actually work but i can change them) and i can change custom recovery too.
Any suggestions???
jonallwright said:
I was getting bored with my standard s4 rom, so in my rush to move forward I flashed http://forum.xda-developers.com/showthread.php?t=2544474 (►►[AOSP] Official 4.4.2 - S4 Google Edition - v10 - Feel the Experience of Nexus◄◄) thinking I was on a i9505 and not bothering to check and also not bothering to make a backup.
anyway it works but I was getting random reboots (known on this rom) and mad battery drain (what previously was 50% at the end of the day now is flat).
So i decided to go back to stock. It was then that I realised that when I do a system check, my phone actually is a i9505g.
I downloaded a couple of i9505g images from http://forum.xda-developers.com/showthread.php?t=2569510 and http://forum.xda-developers.com/showthread.php?t=2544056 however when I try and flash, ODIN come up with a fail. I have tried changing to stock recovery from http://forum.xda-developers.com/showthread.php?t=2442882 but still no luck.
Interestingly when I try flashing the modems from http://forum.xda-developers.com/showthread.php?t=2452034 these won't flash either.
I'm a bit flummoxed as I can flash other modems to it via odin.
I haven't uninstalled drivers and odin or tried other ports as when i flash modems they do work (they don't all actually work but i can change them) and i can change custom recovery too.
Any suggestions???
Click to expand...
Click to collapse
I'm going to start by saying you're damn lucky you haven't totally bricked your phone.
You really need to slow down and understand what you're doing.
It sounds like you do have an i9505, otherwise the GE ROM you flashed would of giving you an error 7.
Anyway because you have flashed a Google Edition ROM onto your i9505 it has changed the build prop so now your device says it's an i9505G.
You should be fine to flash any stock firmware for an i9505 to restore your phone.
In future read instructions very carefully and make sure you actually know what you're doing before attempting to flash your phone.
Hope you can get it back up and running as an i9505
Obagleyfreer said:
I'm going to start by saying you're damn lucky you haven't totally bricked your phone.
You really need to slow down and understand what you're doing.
It sounds like you do have an i9505, otherwise the GE ROM you flashed would of giving you an error 7.
Anyway because you have flashed a Google Edition ROM onto your i9505 it has changed the build prop so now your device says it's an i9505G.
You should be fine to flash any stock firmware for an i9505 to restore your phone.
In future read instructions very carefully and make sure you actually know what you're doing before attempting to flash your phone.
Hope you can get it back up and running as an i9505
Click to expand...
Click to collapse
I thought I did, I've been flashing phones, for years now, to a lesser degree, and though I've got in deep water, I 've never drowned.
I presumed that regardless of what you flashed onto the phone, system info it would report back what it actually was - so when I checked and saw that it was listed a i9505g I didn't know you could change what it was reported back. Live and learn.
I will have a go with a i9505 ROM and see what happens...

[Q] HELP!!!! note 3 bootloop

Hello everyone,
i am fairly new to the world of rooting and recently encountered a problem while flashing a rom
i have the at&t samsung galaxy note 3 N-900A running 4.3 jellybean (2 year contract expired and i got and used the unlock code)
i rooted the phone using the kingo root app, because i could not update the phone (I recently moved out of the USA so i cant connect to an at&t server to update)
i installed safestrap recovery 3.71 and it was running fine
i found a tutorial from galaxy note 3 root for the knoxraid ro
(put youtube. c o m here) /watch?v=8HDHt4xSnQY
according to the tutorial i had to install the rom over the stock rom file
so i copied the stock rom to rom slot 1
this is where i messed up, i installed the knoxraid rom over the stock rom without wiping/data factory reset first. But it gets worse, i realized i forgot to wipe the data from safestrap so before the install was even halfway completed, i pulled the battery out.
now whenever i turn it on it will go straight to recovery mode
it wont even turn off. i have to pull the battery out.
i can get to download mode and recovery mode but thats it.
im not sure about the build number because it wont boot up
all i can tell you is it is a at&t note 3 running 4.3 jellybean
please help if you can
btw: my computer wont recognize the phone because it says the PHONE does not have the correct drivers installed
however odin still recognizes it with the blue box with 0:[COM6] if that helps
so yeah please help me the phone is fairly new and i dont want to waste $600
infinitephase said:
Hello everyone,
i am fairly new to the world of rooting and recently encountered a problem while flashing a rom
i have the at&t samsung galaxy note 3 N-900A running 4.3 jellybean (2 year contract expired and i got and used the unlock code)
i rooted the phone using the kingo root app, because i could not update the phone (I recently moved out of the USA so i cant connect to an at&t server to update)
i installed safestrap recovery 3.71 and it was running fine
i found a tutorial from galaxy note 3 root for the knoxraid ro
(put youtube. c o m here) /watch?v=8HDHt4xSnQY
according to the tutorial i had to install the rom over the stock rom file
so i copied the stock rom to rom slot 1
this is where i messed up, i installed the knoxraid rom over the stock rom without wiping/data factory reset first. But it gets worse, i realized i forgot to wipe the data from safestrap so before the install was even halfway completed, i pulled the battery out.
now whenever i turn it on it will go straight to recovery mode
it wont even turn off. i have to pull the battery out.
i can get to download mode and recovery mode but thats it.
im not sure about the build number because it wont boot up
all i can tell you is it is a at&t note 3 running 4.3 jellybean
please help if you can
btw: my computer wont recognize the phone because it says the PHONE does not have the correct drivers installed
however odin still recognizes it with the blue box with 0:[COM6] if that helps
so yeah please help me the phone is fairly new and i dont want to waste $600
Click to expand...
Click to collapse
Well, this is the wrong forum to begin with.
However, head over here, http://forum.xda-developers.com/showthread.php?t=2703006 , and read very, very carefully.
sirobelec said:
Well, this is the wrong forum to begin with.
However, head over here, http://forum.xda-developers.com/showthread.php?t=2703006 , and read very, very carefully.
Click to expand...
Click to collapse
sorry, next time ill post in the right forum
thanks for the link, however this appears to be for the N900AUCUCNC2 variant, which i believe is KitKat (sry if im wrong) i need files for 4.3 jellybean firmware. (i never updated)
thanks in advance

[Q] i9506 stuck at samsung logo after odin and no recovery

Hi all,
This is probably the #4829 post with identical topic, a very common issue, but unfurtunately this time i wasn't able to solve it alone so any help will be appreciated.
I own a i9506 (LTE-A edition) S4. until now with a 4.3 ROM.
I was forced to encrypt the device by Microsoft Exchange services and lock it with a code, after a while i decided it's time to upgrade to a new firmware and downloaded a brand new ROM which i found in xda.
I flashed twrp and the new rom, rebooted the device and viola, it freezed on the i9506 logo screen. i tried a different kernel which led me to the code locking screen, every time i tried to type something, it gave me "keyboard stopped" error.
So i decided it's good time to do a full format, so i downloaded an original stock rom for i9506 4.4.2 I9506XXUCNJ1_I9506NEECNJ1_I9506XXUCNF3_HOME.tar.md5 flashed it with Odin (using AP) still, the same issue. tried to do full wipe through original recovery instead of twrp, every time i flash original recovery i'm not able to login to it.
i'm pretty much stuck with flashing and wiping, any idea where to go from here?
Thanks!
Is it carrier locked, and what carrier if it is?

S4 DUOS, GT-I9502, can´t finish “Odin updating” even for stock roms

Hi everyone, I´m really pissed about that issue; I´d really appreciate any help and thanks in advance to you all.
Story: I was using Sva´s rom for kitkat, everything normal, then I´ve seen Sasikas´s for lollipop and decided to try it out. I flashed the original firmware and then the custom, both via odin, used them normal as usual. For some reason, I decide to compare the new sva´s, also for lollipop and when I tried to flash, THE ISSUE BEGAN!
Issue: after doing the normal odin process, when the message “complete” shows up and the phone reboots, the bar of updating progress stop about 25% and the phone reboot to the normal mode, but only with a black screen. This is the screen I´m talking about: 3w generacionandroid.com/wp-content/uploads/2014/09/Android_updating.jpg
What I already tried and it didn´t work:
1 – factory reset after the “boot”; I think the problem is that the “system isn´t being write” so …
2 – different roms, both custom and stock; something interesting about this is that the point of the bar that resets the phone varies according to the rom I use, just as follow:
Rom lollipop: at 25% of the bar the system restarts;
Rom kitkat: the bar jumps from 25% to the end and boots the system until Samsung logo. I noticed that the carrier logo sound is cutted in the end.
I can freely install any recovery and enter dl mode.
By the way, the bootloader file must be flashed at pda or bl in odin?
Flash the bootloader file in the BL slot.
about the bootloader...
I´ve installed a bootloader to try the new lollipop in sva´s rom, maybe because of this I can´t flash anymore? I´ve found this info about bootloaders, could someone tell me if I´m thinkg right about it?
"In literal terms, bootloader is code that is executed before any Operating System starts to run. "
This way what I need is a bootloader for kitkat or previous? Where can i find it?
cry for help
almost givin up...
so, happy new year to everyone, I´ll wait until January to check any replies, otherwise selling for parts. ='[.
Shortening: I can enter recovery and dl mode BUT not getting to install roms;
I know I fixed selinux permissions once and installed a bootloader said to be to install a version of lollipop, that´s all new stuff I did.

Any suggestions for what to do with Samsung T355Y Galaxy TAB A 8.0?

Samsung Glaxy TAB A 8.0 SM-T355Y (LTE version)
I need to get this Tab off Nougat (7.1.1) as it's dead slow and almost un-usable, even with rooting and debloating. My wife has stopped using it and I don't want it to become another piece of e-waste. I appear to be out of options and wondered if anyone had any suggestions.
Note: it appears there is also a T355 for the Asian/Arab market that it different to the T355Y. This model only shipped with 7.1.1.
So far I have tried the following:
a) Root/TWRP/debloat of stock ROM. This seems to work initially but any usage in a browser is painfully slow.
Then in an attempt to find something other then the stock nougat ROM
b) [ROM][UNOFFICIAL][LineageOS 16.0][Android 9.0][SM-T350]
https://forum.xda-developers.com/galaxy-tab-a/development/rom-t3903258
Modifying the config to remove Assert details means that it flashes fine but during boot the screen distorts and when it recovers the touch screen is out of calibration and it emits a high pitched whine. Might be able to find a solution for the screen but we can't put up with the whine.
c) I then tried flashing the 7.1.1 stock boot image for the T355Y in combo with the above and it hangs at the Samsung screen and never goes any further.
d) I then tried flashing the 6.0.1 stock boot image for the T355 in combo with the above and get:
Kernel is not SEANDROID ENFORCING
Set Warranty Bit : Kernel
and it then hangs at the Samsung screen before rebooting into TWRP, any reboot just goes back into TWRP.
e) I then tried the FENIX V2 Rom based on 6.0.1 for the T355
[ROM][ROOT][STOCK][DEBLOATED][6.0.1] [FENIX ROM] Galaxy Tab A Series
https://forum.xda-developers.com/galaxy-tab-a/development/rom-galaxy-tab-series-t3514996
This flashes fine from TWRP but the Wifi doesn't work, the solution by the creator of the ROM is to load a stock Russian 6.0.1 ROM via ODIN first but this won't work as I get Secure Check Fail: aboot as clearly its a ROM for a slightly different model.
Now I seem to be out of options that I can find. Anyone got suggestions for what to try next?
Any updates?
Bump!
Desperately looking for a way to make this device workable!
Any option including building own ROM, installing pure Linux, etc.is acceptable at this point. All I need is for WiFi to work.
PLEASE HELP!
Postmarketos : https://wiki.postmarketos.org/wiki/Samsung_Galaxy_Tab_A_8.0_LTE_(2015)_(samsung-gt58lte)
PR : https://github.com/msm8916-mainline/linux/pull/195

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