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S6- SM-G920F firmware upgrade --hang @ logo screen --please help urgent

Hi All,
Have s6 SM-G920F international model. now my brother accidentally try wrong attempts in pin to unlock the phone. so phone got locked. and i give to guy who unlock the phone and after that i am not able to get official update . so have decided to install official stock firmware. details are below. when phone is return back to me have below version.
Old firmware :-
G920FXXU1AOCY 5.0.2 Lollipop, Initial release on 3/29/2015 for EE only.
New firmware which i try using ODIN :-
G920FXXU3QOJF Galaxy S6 SM-G920F 5.1.1 Stock Firmware -- This firmware is officially released on November 2015 for EE UK Galaxy S6 alone.Build date: October 12, 2015.
Got success in above firmware , PASS is result in ODIN.
But when phone reboot after this ,after erasing screen appear then it hang on logo screen. have waited around 20 mins but nothing happen. Have tried recovery mode also via wipe cache / factory reset , no change in result.
Have again try to install G920FXXU1AOCY but got sof rev fail in ODIN .
Have tried samsung switch for software update it's successful but when phone reboot it again stop there at logo screen.
In recovery mode -- G920FXXU3QOJF this show on top.
I don't whether phone was root or not as guy says he just unlock the phone. got this from UK .
Can anyone please help which firmware will now work on this case ? how to solve this issue.
Please help me as i mess up with my phone which work great before .
Tons of thanks to all.

Is there any firmware which work on all unlock or root phone for this model ? the above step from 5.0.2 have installed 5.1 is correct step ? i am working this phone from india,before doing this firmware update my sim card work properly. as phone was already unlock or rooted (not sure here whether it's rooted or not but sure as it's unlocked phone) as i can see EE apps in phone. please help me . it's hurt me on my decision to do this upgrade and create mess. :crying:

Can anyone pls help.. Thanks

dbarot87 said:
Can anyone pls help.. Thanks
Click to expand...
Click to collapse
have you solved this yet?
this helped me:
http://forum.xda-developers.com/gal...d-development/kernel-stockmod-kernel-t3100395

[Completed] HELP! status 7 on possibly unrooted, factory resetted moto g 2014

Hi all,
I tried to update my Motorola Moto G 2014, but it showed status 7 error. So I contacted Motorola and they said that I rooted my phone. So I connected my phone to my PC and found supersu246.apk. I never installed this, but I guessed somehow some app rooted my phone once. I began thinking and suspected it was when I was desperate to recover my lost photos and downloaded all sorts of programs (possibly Dr. Phone).
So: I deleted supersu246.apk from my internalized SD card and factory resetted my phone. Status 7 still pops up. How do I fix this? I do not want to have a rooted phone btw.
Should I follow the instructions in this link: https://forum.xda-developers.com/moto-g-2014/general/official-firmware-titan-xt1068-t3312933 or not?
And specifically the Easy installer attached in the first post at the bottom: it says: 'easy installer.zip to flash your firmware in one click. This also has an option lock or unlock bootloader and warning logo fix.'
Android 6.0
Smalband: MSM8626BP_1032.3116.99.00R EMEA_DSDS_CUST
Kernel: 3.4.42-gef77327
[email protected] #1
Wed 6 jan 12:29:54 CST 2016
System: 24.41.34.titan_retaildsds.retaildsdsall.en.03 reteu
Build: MPB24.65-34
BTW I AM A NOOB!!

LXXV* said:
Hi all,
I tried to update my Motorola Moto G 2014, but it showed status 7 error. So I contacted Motorola and they said that I rooted my phone. So I connected my phone to my PC and found supersu246.apk. I never installed this, but I guessed somehow some app rooted my phone once. I began thinking and suspected it was when I was desperate to recover my lost photos and downloaded all sorts of programs (possibly Dr. Phone).
So: I deleted supersu246.apk from my internalized SD card and factory resetted my phone. Status 7 still pops up. How do I fix this? I do not want to have a rooted phone btw.
Should I follow the instructions in this link: https://forum.xda-developers.com/moto-g-2014/general/official-firmware-titan-xt1068-t3312933 or not?
And specifically the Easy installer attached in the first post at the bottom: it says: 'easy installer.zip to flash your firmware in one click. This also has an option lock or unlock bootloader and warning logo fix.'
Android 6.0
Smalband: MSM8626BP_1032.3116.99.00R EMEA_DSDS_CUST
Kernel: 3.4.42-gef77327
[email protected] #1
Wed 6 jan 12:29:54 CST 2016
System: 24.41.34.titan_retaildsds.retaildsdsall.en.03 reteu
Build: MPB24.65-34
BTW I AM A NOOB!!
Click to expand...
Click to collapse
I can see you have already posted this in the correct forum here
https://forum.xda-developers.com/showthread.php?t=3539457
so I will close this one up and let you continue your journey there
Good Luck
Sawdoctor

[Help!] Major update and partition issues for my Samsung Galaxy S7 (SM-G930U)

Hi everyone, there is this really strange issue with my phone, if i try to update it to the latest Nougat version it will update but will reboot and work for about 30 seconds before it restarts, the phone works well if i stay on the android version I have now (7.0 May 2017 update) but if I update it even just by one version it will continue to have this issue which forced me to restore it back via Odin. Also when I go into my settings and have a look at my storage I notice that it only says that it has 16GB storage capacity which isn't true. I was wondering if anyone out there has had this issue before or knows how to fix any of mine any information would be greatly appreciated. Before anyone asks, no my phone has never been rooted, I have tried factory resetting, I have tried other firmware's from different carriers, I have tried most things but nothing seems to work, please help. Thanks.

So it's updating via OTA and having problems or you're manually flashing to newer versions? And when you flash you're using all 4 firmware files and no just AP?

Samsung Galaxy S8+ SM-G955U NOT UPDATING

Hi.
I have a G955U Galaxy S8+ AT&T Factory Unlocked on Android 7.0
Baseband Version: G955USQU1AQC9
Android Security Patch Level - April 1, 2017
I no longer live in the US, and currently in the Philippines. Phone works great and the signal is too and all, but I cannot get OTA updates. Every time i try to update it says that its up to date.
I have tried different ways to update it that i read online, The latest one that I have tried is following the steps given from this Thread https://forum.xda-developers.com/att-galaxy-s8+/how-to/sprint-released-oreo-s8-s8-flashing-t3915872 but it gave me this output https://prnt.sc/oqjnp6
My phone is not rooted or anything just a normal phone. I am just trying to update it to the latest Android Version 9.0(Pie) , I just made this thread for the reason of maybe someone can help me on updating my phone.

Have you tried the patched odin?

Quickvic30 said:
Have you tried the patched odin?
Click to expand...
Click to collapse
Yes, I have I even tried updating through SD card and Smart Switch but none of it works, On Smart Switch it says that my device is up to date :QC9(ATT).

Help downgrading encrypted bootloader samsung phone.

Hi all !
Hope everyone have a great day, i have got a samsung galaxy A6 US variant TMB, (SM-A600T) with android version 9, I was trying to root the phone but didn't have the knowledge that this phone can't be rooted because of locked bootloader which can't be unlock with any procedure. So i gave up and just updated my phone to the latest version available of PIE . (Android 9), To tell you more, before it was also on the same version of android 9 but earlier date. I have not updated a whole version of android but just to a latest date of android 9, Android 10 is also available for this phone but i haven't done that yet. The main problem with my phone is that before this update i just needed to charge my phone once in 24 hours, and now after update i need the same phone with same demands to charge it 3 times in 24 hours, Did every optimization for battery, unused apps, extra apps uninstalled, just one google account left, synchronization is off, NFC and near scanning is off, Bluetooth / Wifi is off, GPS is off. Auto update for apps and system software is off. Battery saving mode is enabled, clear cash has been done, factory reset is already done with flashing this version of android with odin tool, and etc every other thing has been tried with no luck, please don't advise for these things as the main problem for me is just the android version itself which i have newly flashed. Because of locked bootloader i can't flash back my older version of android 9 with odin tool, phone gives error of bootloader :
sw rev check fail device 2 binary 5​something like above after many tries the same result. tried my old firmware with the new bootloader but still no luck. (Same error). Any help or suggestions will be greatly appreciated. I am thinking what if i extract the AP of the new flashed firmware and replace the system.img.lz4 with my old firmware's system.img.lz4 to trick the phone and reflash with the new firmware but old system image file, Can this be done ? or i may brick my phone for ever ? what if i take my phone to the outside market and request a z3x flash for the old firmware version ? will that work ?
Please give any accurate solution i really want my old phone back, this locked bootloader has become a really annoying thing for me. I will never buy a phone like this which bootloader's can't be open again. Or if i wasn't able to flash this to my old version i will never use android again in my life, Better option will be to buy an iphone after 17 years of android use.
Thanks in advance.