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[Q] TWRP for SM-G920F Flashed zeroflte now cannot Boot

I have flashed the recently released TWRP Release CodeName zeroflte on my Galaxy S6 SM-G920F via Odin successfully. I went to reboot into Recovery to take a Backup and it simply hung at the Samsung Boot Logo for 20-30 Mins. i can successfully boot into Download Mode but nothing else is this a corrupt release?

Snicholls said:
I have flashed the recently released TWRP Release CodeName zeroflte on my Galaxy S6 SM-G920F via Odin successfully. I went to reboot into Recovery to take a Backup and it simply hung at the Samsung Boot Logo for 20-30 Mins. i can successfully boot into Download Mode but nothing else is this a corrupt release?
Click to expand...
Click to collapse
Cheers to @bigbiff i re-flashed cfroot with it having a modified recovery and back up and running for now.

Snicholls said:
I have flashed the recently released TWRP Release CodeName zeroflte on my Galaxy S6 SM-G920F via Odin successfully. I went to reboot into Recovery to take a Backup and it simply hung at the Samsung Boot Logo for 20-30 Mins. i can successfully boot into Download Mode but nothing else is this a corrupt release?
Click to expand...
Click to collapse
I have same issue. Have you got it working yet?

I have this same issue. I cannot boot into TWRP after flashing it. I've already tried all flash methods as well. I can only boot into stock recovery. I believe @bigbiff is working on this issue. I sent him the recovery.img from the SM-G920i which I am sure is either the same as or very similar to the SM-G920F. Hopefully we see a fix soon.
Perhaps someone who has an SM-G920F or a SM-G920i and has gotten TWRP to work can share their knowledge :fingers-crossed:

partitions
if someone needs a backup from the org partitions, ive done root now and make a backup with the new mobileodin tool.

Doing a little research, do I need an unlocked bootloader to flash TWRP 2.8.6.0? I'm in Australia with a Telstra branded S6. How can I tell if my bootloader is unlocked?
Sent from my SM-G920I

Snicholls said:
I have flashed the recently released TWRP Release CodeName zeroflte on my Galaxy S6 SM-G920F via Odin successfully. I went to reboot into Recovery to take a Backup and it simply hung at the Samsung Boot Logo for 20-30 Mins. i can successfully boot into Download Mode but nothing else is this a corrupt release?
Click to expand...
Click to collapse
Hi- I am stuck at the powered by android screen. How did you get into download mode from there. The button combinations aren't working for me. I can only reboot with volume down + power.

bendotson said:
Hi- I am stuck at the powered by android screen. How did you get into download mode from there. The button combinations aren't working for me. I can only reboot with volume down + power.
Click to expand...
Click to collapse
me facing same problem, do you got any solution?

Try holding volume up and power.

bendotson said:
Try holding volume up and power.
Click to expand...
Click to collapse
did it more than 30 seconds but no luck

I'm sorry I don't remember exactly. Have you tried holding the home button in combination with power and volume down/up?

bendotson said:
I'm sorry I don't remember exactly. Have you tried holding the home button in combination with power and volume down/up?
Click to expand...
Click to collapse
With Home+volume down+power, it goes into download mode,
while with home + volume up+ power, nothing happened,
same with volume up + power,

Download mode is your only way out. You must flash a ROM with Odin from there

bendotson said:
Download mode is your only way out. You must flash a ROM with Odin from there
Click to expand...
Click to collapse
I already try it but stock rom is not flashing on demo live unit, odin fails it,

I see. What is the exact model number of your unit? You can go to sammobile.com to download the right ROM. Not sure about a demo unit though.
---------- Post added at 12:55 PM ---------- Previous post was at 12:54 PM ----------
Also it's possible that you have a newer bootloader and you are forced to do a ROM with that bootloader or newer. I have trouble going back to older roms once I flashed a newer one.

bendotson said:
I see. What is the exact model number of your unit? You can go to sammobile.com to download the right ROM. Not sure about a demo unit though.
---------- Post added at 12:55 PM ---------- Previous post was at 12:54 PM ----------
Also it's possible that you have a newer bootloader and you are forced to do a ROM with that bootloader or newer. I have trouble going back to older roms once I flashed a newer one.
Click to expand...
Click to collapse
It is SM-G920X and not listed in sammobile

Snicholls said:
Cheers to @bigbiff i re-flashed cfroot with it having a modified recovery and back up and running for now.
Click to expand...
Click to collapse
can you share that file pls, mine is not working

nsnobel2 said:
With Home+volume down+power, it goes into download mode,
while with home + volume up+ power, nothing happened,
same with volume up +
I had same problem with my s6 it was stuck on samsung galaxy s6 powered by android i used this tutorial at this website and it was working again
http://www.theandroidsoul.com/galaxy-s6-and-s6-edge-android-5-1-root-all-variants-81193/
Click to expand...
Click to collapse

bendotson said:
Try holding volume up and power.
Click to expand...
Click to collapse
keep on pressing at the same time volume down+HOME BUTTON AND POWER BUTTON IT WILL TAKE YOU TO DOWNLOAD MODE.
if you wnat to get recovery mode then shutdown mobile then press volume up +home + power button when logo appear on screen release the power button but dont release volume up and home button until you get recovery screen.
search google cwm receover for sm g920f and download it and flash it through odian. it iw better than twr recovery.

Stock firmware for Samsung Galaxy S6 SM-G920FZDAXSG?
Snicholls said:
I have flashed the recently released TWRP Release CodeName zeroflte on my Galaxy S6 SM-G920F via Odin successfully. I went to reboot into Recovery to take a Backup and it simply hung at the Samsung Boot Logo for 20-30 Mins. i can successfully boot into Download Mode but nothing else is this a corrupt release?
Click to expand...
Click to collapse
Do you have stock firmware for SM-G920FZDAXSG as i've installed the beta ROM and i'd like to revert to the original ? I'm unable to do it via Smart switch and cannot find the original firmware.

s7 bricked

i forgot to factory reset before i downgrade the os with odin. now the phone just stuck on the booting screen. i can get to download mode but not to recovery mode. anyone have some solution?

You could try flashing everything from the firmware you download from sammobile.com (BL + AP + CP + CSC (not HOME_CSC)) + check re-partition in Odin.
It will wipe everything. Be sure to download the correct firmware supposed by your hardware, else bad things may happen.

irvinnggg said:
i forgot to factory reset before i downgrade the os with odin. now the phone just stuck on the booting screen. i can get to download mode but not to recovery mode. anyone have some solution?
Click to expand...
Click to collapse
You can download the firmware from Sammobile, and flash it via ODIN, this should hopefully get you back to Stock OS.
You could also try to flash twrp img via ODIN and try to access Recovery Mode again.
Goodluck

Revontheus said:
You can download the firmware from Sammobile, and flash it via ODIN, this should hopefully get you back to Stock OS.
You could also try to flash twrp img via ODIN and try to access Recovery Mode again.
Goodluck
Click to expand...
Click to collapse
i flash the firmware from sammobile. but my phone just wont boot. i cant shut the phone down as it's internal battery

Have you flashed the Appropriate Bootloader and Modem?
At what screen is it stuck at? You could use the Volume Up Key plus home, plus Power Button to force boot it.
Here check This link out, it might help you.
Good luck

irvinnggg said:
i flash the firmware from sammobile. but my phone just wont boot. i cant shut the phone down as it's internal battery
Click to expand...
Click to collapse
Well aslong as you can turn it on download mode you should be fine. If i was you i would download samsung kies 3 and put the phone in download mode and try to the firmware recovery from the top left section in the app. This will flash back the original firmware that came with the phone.,
---------- Post added at 04:42 PM ---------- Previous post was at 04:39 PM ----------
And if you flashed the CSC then you phone should be wiped when you boot it but maybe you flash the wrong file but like i said hard boot your device and set it to download mode and you should be fine

Bootloop in my S8 Plus, where to download Stock Firmware?

Hi,
I have S8 Plus SM-G955F in Germany.
Dont knwo what exactly happend, but my phone was just still running fine (bootloader is unlocked) and I rebooted but then was stuck at "Installing system updates" screen which appear before getting into recovery. However, it does not enter into recovery and reboots after few seconds into "installing updates" mode which then fails.
It does not boot up into Android.
All I can access to is Download Mode.
I flashed "BL_G955FXXU1AQF7_CL11544126_QB13847503_REV00_user_low_ship.tar" Bootloader and rebooted and now it is stuck in Samsung boot logo. If I press Vol up + Bixpy Button + Power nothing happends, it does not even start to load Recovery mode.
I now downloaded following stock firmware through SamFirm: "SM-G955F_1_20171214140840_hlcm4r582t_fac.zip.enc4" (3332 MB)
but when trying to flash it in odin I get FAILED !!! Also if I try to flash TWRP recovery "twrp-3.1.0-1-dream2lte.img" I get FAILED in Odin I now also tried to flash "AP_G955FXXU1AQH3_CL12050265_QB14545623_REV00" firmware using this tutorial: https://www.youtube.com/watch?v=2y0ZZxcNVnE which also FAILED. I think I am completely bricked !!
Please help, phone is completeley useless now
Thanks!

tobyffm said:
SM-G955F_1_20171214140840_hlcm4r582t_fac.zip.enc4" (3332 MB)
Click to expand...
Click to collapse
I had the same problem with downloading stock firmware. My problem was that I couldn't download from SamMobile because of server maintenance. So I downloaded from here. An with this tool there's the option to decrypt the file automatically. I forgot to tick this option and had a .enc4-file like you have there. The problem could decrypt this file and then I could unzip it and use it with odin.
So that's your problem: you are trying to use an encrypted file. But you have to use an decrypted file.

Maltonator said:
I had the same problem with downloading stock firmware. My problem was that I couldn't download from SamMobile because of server maintenance. So I downloaded from here. An with this tool there's the option to decrypt the file automatically. I forgot to tick this option and had a .enc4-file like you have there. The problem could decrypt this file and then I could unzip it and use it with odin.
So that's your problem: you are trying to use an encrypted file. But you have to use an decrypted file.
Click to expand...
Click to collapse
Hi,
thank you! But its actually not my problem. Samfirm decrypted and I got the zip with the BL, AP, CSC, CP files in it. But ODIN fails everytime anyway and I have no idea what I could still do now.

tobyffm said:
Hi,
thank you! But its actually not my problem. Samfirm decrypted and I got the zip with the BL, AP, CSC, CP files in it. But ODIN fails everytime anyway and I have no idea what I could still do now.
Click to expand...
Click to collapse
But you flashed all four files at the same run together?

Maltonator said:
But you flashed all four files at the same run together?
Click to expand...
Click to collapse
Yes, like the howto video described.

tobyffm said:
Dont knwo what exactly happend, but my phone was just still running fine (bootloader is unlocked) and I rebooted but then was stuck at "Installing system updates" screen which appear before getting into recovery.
Click to expand...
Click to collapse
But this happens with my phone to if I press volume up.
tobyffm said:
If I press Vol up + Bixpy Button + Power nothing happends, it does not even start to load Recovery mode.
Click to expand...
Click to collapse
But you have to press Vol down

Maltonator said:
But this happens with my phone to if I press volume up.
But you have to press Vol down
Click to expand...
Click to collapse
Usual behaviour was this: Vol up, bixpy and Power -> Recovery mode which fist starts with "Installing update..." then failed and then it goes into some black recovery mode where you can choose Apply update.zip etc. right? However, in my case this black screen with more commands did not show up, before it was rebooting again by itself.
Now I cannot even get into this "installing updates" mode before recovery, because "Vol up, bixpy and Power" does not bring any action.
Vol down, Bixpy and Power still works and brings me to Download Mode. But it doesnt help me, because once I tr to flash any firmware in Download Mode, it FAILS in Odin, so I am completely stuck, hope you understand

tobyffm said:
Usual behaviour was this: Vol up, bixpy and Power -> Recovery mode which fist starts with "Installing update..." then failed and then it goes into some black recovery mode where you can choose Apply update.zip etc. right? However, in my case this black screen with more commands did not show up, before it was rebooting again by itself.
Now I cannot even get into this "installing updates" mode before recovery, because "Vol up, bixpy and Power" does not bring any action.
Click to expand...
Click to collapse
But why do you boot in recovery mode?
tobyffm said:
Vol down, Bixpy and Power still works and brings me to Download Mode. But it doesnt help me, because once I tr to flash any firmware in Download Mode, it FAILS in Odin, so I am completely stuck, hope you understand
Click to expand...
Click to collapse
Download mode is the only mode you need for restoring stock firmware.
Try this guide. (Spoiler "Flashing Standard Firmware:")
Yesterday I did it with this one too and it worked flawlessly. But I used Odin v3.12.3 not as said in the guide V3.12.7.

Maltonator said:
But why do you boot in recovery mode?
Download mode is the only mode you need for restoring stock firmware.
Try this guide. (Spoiler "Flashing Standard Firmware:")
Yesterday I did it with this one too and it worked flawlessly. But I used Odin v3.12.3 not as said in the guide V3.12.7.
Click to expand...
Click to collapse
it automatically loaded into recovery before, I was not able to boot into Android, it loaded recovery (but without black screen with more commands) automatically by default and rebooted, loaded recovery again and rebooted, loaded recovery againd and rebooted etc...all I could to to interrupt this was loading download mode.
However, thanks for the link, but it does describe what I did already. And yes, I also used Odin 3.12.3 already because in the video tutorial I linked some posts before they said also, I need to use that version.
However, it simply does not work. Odin FAILS everytime
I am not doing anything wrong, I am sure. The only thing could be that the Firmware I downloaded is still wrong, even I cannot imagine this.

tobyffm said:
I am not doing anything wrong, I am sure. The only thing could be that the Firmware I downloaded is still wrong, even I cannot imagine this.
Click to expand...
Click to collapse
Yes that's the only thing that comes on my mind too if you think everything else is right. Download another firmware file maybe from a different provider than SamMobile.
Or try using different USB-Port, USB-Cable and/or different PC.

Maltonator said:
Yes that's the only thing that comes on my mind too if you think everything else is right. Download another firmware file maybe from a different provider than SamMobile.
Or try using different USB-Port, USB-Cable and/or different PC.
Click to expand...
Click to collapse
Did already, did not help. I think maybe there is something realldy bricked, so flashing stock firmware wont be possible at all anymore?! Is this possible somehow?
btw: Just managed to load into TWRP, randomly it does load twrp, dont know how, because if I press the keys for loading into recovery, it actually does not do anything, but currently I see twrp.
Is see anything I can try from there? btw: formated data (incl. internal storage) earlier already, but it did not change anything.
But any idea what I can try to flash from TWRP maybe? Is there a way to flash stock firmware from TWRP somehow?
I found a backup in twrp, I am currently trying to restore it...

tobyffm said:
But any idea what I can try to flash from TWRP maybe? Is there a way to flash stock firmware from TWRP somehow?
I found a backup in twrp, I am currently trying to restore it...
Click to expand...
Click to collapse
Google found this. But I don't know if this works. I only flashed custom ROMs via TWRP. Stock ROMs always via Odin.

Maltonator said:
Google found this. But I don't know if this works. I only flashed custom ROMs via TWRP. Stock ROMs always via Odin.
Click to expand...
Click to collapse
Puuuuh, I was able to fix phone with hat TWRP backup I found!
Thanks for your efforts anyway, much appreciated!

tobyffm said:
Puuuuh, I was able to fix phone with hat TWRP backup I found!
Thanks for your efforts anyway, much appreciated!
Click to expand...
Click to collapse
Glad it worked! :good:

tobyffm said:
it automatically loaded into recovery before, I was not able to boot into Android, it loaded recovery (but without black screen with more commands) automatically by default and rebooted, loaded recovery again and rebooted, loaded recovery againd and rebooted etc...all I could to to interrupt this was loading download mode.
However, thanks for the link, but it does describe what I did already. And yes, I also used Odin 3.12.3 already because in the video tutorial I linked some posts before they said also, I need to use that version.
However, it simply does not work. Odin FAILS everytime
I am not doing anything wrong, I am sure. The only thing could be that the Firmware I downloaded is still wrong, even I cannot imagine this.
Click to expand...
Click to collapse
My mistake, sorry - I posted in the wrong place- sorry. (I do hope you find a way to get t his fixed) good luck

I just ran into this thread: https://forum.xda-developers.com/galaxy-s8/help/stuck-bootloop-flashing-aqg5-fix-t3636857
It looks like you're not the only one...

You know, you might want to try and remove the more current apps you installed and see if that is causing the loop, and if that does not work, just dirty flash over what you have. For me, a lot of time a dirty flash will solve the issue, as it overwrites the OEM software, and in that manner, takes my phone OS back to normal/new state, while leaving my data.

Samsung Galaxy S7 SM-G930F boot loop and won't enter recovery mode

My samsung SM-G930F is stuck in a boot loop, and recovery mode won't start., only download mode
i did a flash firmware for XEU carrier (phone bought in UK) and the flash process PASSED, it still goes into boot loop and has the same problem as previously.
Does anybody met this problem before? some suggestions please?
note: Odin v3.13 and Firmware Oreo 8.0 XEU

amig0s said:
My samsung SM-G930F is stuck in a boot loop, and recovery mode won't start., only download mode
i did a flash firmware for XEU carrier (phone bought in UK) and the flash process PASSED, it still goes into boot loop and has the same problem as previously.
Does anybody met this problem before? some suggestions please?
note: Odin v3.13 and Firmware Oreo 8.0 XEU
Click to expand...
Click to collapse
Flash it again with BTU not XEU.

cooltt said:
Flash it again with BTU not XEU.
Click to expand...
Click to collapse
that didn't work either, any others suggestions?

amig0s said:
that didn't work either, any others suggestions?
Click to expand...
Click to collapse
Yeah this happens sometimes, either go through the flash again with a different version of Odin or force reboot into recovery by pressing volume up+home+power while in download mode or as soon as it turns off to reboot.
If you get into recovery wipe/factory reset then reboot.

cooltt said:
Yeah this happens sometimes, either go through the flash again with a different version of Odin or force reboot into recovery by pressing volume up+home+power while in download mode or as soon as it turns off to reboot.
If you get into recovery wipe/factory reset then reboot.
Click to expand...
Click to collapse
I tried to flash with different versions of odin, it gets stuck at NAND partition (smth like that), and runs till the end only with v3.13.1
Problem still exists, and there seems to be no way to get in recovery mode in order to do the factory reset

amig0s said:
I tried to flash with different versions of odin, it gets stuck at NAND partition (smth like that), and runs till the end only with v3.13.1
Problem still exists, and there seems to be no way to get in recovery mode in order to do the factory reset
Click to expand...
Click to collapse
Listen we get this all the time on this board, it is always the user not doing something correctly.
You bought the phone in the UK, what firmware was already on it?
Are you sure it is a genuine G930F?
What is the exact version of the firmware you are trying to install?
Where are you getting it from?
Did you enable "debugging" before flash?
If you flash with Odin and you get a "PASS" the recovery menu is definitely there.

cooltt said:
Listen we get this all the time on this board, it is always the user not doing something correctly.
You bought the phone in the UK, what firmware was already on it?
Are you sure it is a genuine G930F?
What is the exact version of the firmware you are trying to install?
Where are you getting it from?
Did you enable "debugging" before flash?
If you flash with Odin and you get a "PASS" the recovery menu is definitely there.
Click to expand...
Click to collapse
When i bought it there was Android 6.0..
yes, i'm sure, taken directly from the store.
I'm trying to install "SM-G930F BTU UNITED KINGDOM G930FXXU5ESD2 FIRMWARE" downloaded from sammobile.com
No i didn't enable debugging because my phone suddenly crashed and there is no way to boot itup

amig0s said:
When i bought it there was Android 6.0..
yes, i'm sure, taken directly from the store.
I'm trying to install "SM-G930F BTU UNITED KINGDOM G930FXXU5ESD2 FIRMWARE" downloaded from sammobile.com
No i didn't enable debugging because my phone suddenly crashed and there is no way to boot itup
Click to expand...
Click to collapse
Ok well it may be a hardware problem rather than software if the phone crashed.
Try one more thing first.
Flash Nougat from Sammobile not Oreo and see if it boots, sometimes this has to happen first.
**Also have you tried Samsung Smart Switch Emergency software recovery?**

cooltt said:
Ok well it may be a hardware problem rather than software if the phone crashed.
Try one more thing first.
Flash Nougat from Sammobile not Oreo and see if it boots, sometimes this has to happen first.
**Also have you tried Samsung Smart Switch Emergency software recovery?**
Click to expand...
Click to collapse
Samsung Smart Switch doesn't recognize this device, i guess it a hardware problem in the end.
I tried all the solutions mentioned above.
Anyway thank you very much, i will go to a service center.
Peace <3

NO expert, but had similar problem.
While in boot loop, volume down+home+power
when rebooting quickly switch to volume up+home+power
boots into recovery
select mount system, press power button.
worked for me
Although prior to the fix for me, I wiped cache and factory reset while in recovery. Not sure if it was needed.

Need Help SM-N986F I hat ATJ1 Atj1 atj5. Flashed Old Firmware, now don´t Boot

Hello,
i need Help.
I had ATJ1 Atj1 atj5 on my Phone and don´t get Beta 11.
Ok, is not the Provider Software DTM on my Phone and i think: Flash the DTM Firmware.
I have do it.
Now my Handy don´t Boot and i can´t Flash ATJ1 Atj1 atj5 to repair.
What can i do now?

woodchild said:
Hello,
i need Help.
I had ATJ1 Atj1 atj5 on my Phone and don´t get Beta 11.
Ok, is not the Provider Software DTM on my Phone and i think: Flash the DTM Firmware.
I have do it.
Now my Handy don´t Boot and i can´t Flash ATJ1 Atj1 atj5 to repair.
What can i do now?
Click to expand...
Click to collapse
1. Try booting to recovery and factory reset from there: To boot into recovery mode, start by turning off your Galaxy Note 20. Once completely off, hold the volume up button and the power button
2. You can also try flashing update.zip if you have one. In case you dont skip to point 3 below.
3. If that doesnt work you can boot to Download mode and flash a new firmware using Odin.

warriorvibhu said:
1. Try booting to recovery and factory reset from there: To boot into recovery mode, start by turning off your Galaxy Note 20. Once completely off, hold the volume up button and the power button
2. You can also try flashing update.zip if you have one. In case you dont skip to point 3 below.
3. If that doesnt work you can boot to Download mode and flash a new firmware using Odin.
Click to expand...
Click to collapse
Got it. Thank you

woodchild said:
Got it. Thank you
Click to expand...
Click to collapse
Did it work. Are you back on your phone ?