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plz help me ! plz

hello
i have note5 920c
my phone is root and recovery...
i flash custom rom with twrp ( custom note7) and every things is good but after restart my phone bootloop on samsung logo and on logo write : Custom Binary block by FRP lock
i tried to flash stock rom by odin.... but not flash this rom(stock 6.0.1 )... and error odin.. after flash my phone dont turn off and stay on : an error occurred while
updating the device software
use the emergency recovery function
in the smart switch pc software
on this error write : sw check fail device 1 binary 0
how can fix this problem ? may solve it ba samsung box ? zx3 ?

you can flash the latest stock rom for N920C

Uhm...i faced similar issue. You left oem unlock disabled, which is wrong.
First book into stock recovery, wipe data/factory reset. Wipe everything wipable, then go to download mode. Flash 5.1 stock. If it doesn't work, repeat the wiping, then flash 6.0. Good luck

Device Root Key error

Hello family; you all much appreciated for the support here:
i have an G925A stuck in a boot loop and asks to check DRK. i seem to have no clue on how to go about it, and asking for your kind help.

I have the same problem.
I have updated from 5.0.2 to 6.0.1 (I tried different firmwares found here) and now the phone doesn't boot anymore (it says something about DRK) and goes automatically into recovery mode.
Download mode still working but I don't know what to flash anymore....I can't downgrade to 5.0.2 since the bootloader doesn't allow and I can't try to upgrade to Nougat since "install zip from adb" in original recovery doesn't work...

JdKatumba said:
Hello family; you all much appreciated for the support here:
i have an G925A stuck in a boot loop and asks to check DRK. i seem to have no clue on how to go about it, and asking for your kind help.
Click to expand...
Click to collapse
I had the same issue after trying MM ROM from 5.1.1. Finally I solved this issue following step.
1) My trial MM ROM is PK5 version
2) I try Download ROM (full 4 files) via Odin
3) The issue is remained. I try Download ROM via Odin which is 5.1.1 root version in development board. In recovery mode, you can select reboot. Then phone is freezed with galaxy logo screen without entering recovery mode again.
4) I retry Download PK5 AP ROM only via Odin.
Then phone start to work normally with MM.
But it is not fixed issue. If you enter recovery mode. You will meet the DRK error again.
Anyway, I hope you can slove DRK error issue

DRK & FRP Issue. All help is welcomed and needed.

So my coworker has a Galaxy S6.
This phone was running nougat. She rooted the phone herself to be able to use 'Snapchat'. The other day she did a factory reset which softbricked her phone so she took it to a store where they installed 6.0.1 and the phone was supposedly rooted although supersu said that the binary was not present. Her phone was acting up so i told her to do a wipe cache. after the restart the device said Custom Binary blocked by FRP
then i flashed Nougat (last version). The device presented the bluescreen that said: Device does not have DRK, contact to SW PL please flash ENG binary then install DRK rebooted into recovery and then in the recovery, every time it boots into recovery it says: No Support SINGLE SKU. Supported API: 3. Dm-verity error.... Failed code: 0x02
I tried flashing TWRP but it was blocked by FRP returning the error in download mode: Custom Binary (recovery) blocked by FRP
I cant enable OEM Unlock because the phone wont pass the Samsung Galaxy S6 logo.
What can i do? What options do i have?
************update 1
I downloaded the CF Auto root from Firmware.Mobi: Problem is: The phone is not OEM Unlocked and i don't have access to the phone settings so i can't flash CF auto root because i can't flash a recovery.
************update 2
I can't downgrade either to 6.0.1 (QC2) . So i'm stucked on Nougat, when i try to downgrade it says: (Device 6 Binary 5). Can't root it, can't flash a recovery.
Is there any way to turn off FRP from the recovery using ADB ? Is there anything i can flash in spite of the phone running Nougat so that i can turn off FRP ?
Should i go to a store and ask for DRK to be fixed with a Z3X box ?

bootloop note 9

I have an att note 9 that started boot looping while I was trying to update csa7 to a newer version through stock recovery I clicked something that says lacking boot storage I pressed no to back out of it and it rebooted and now I cannot do anything but go in download mode and recovery ive tried diff update zips and odins and everything has failed does anyone have an odin stock image of csa7 that's working I also have the latest odins 3.13.1 and the patched one both either get stuck on setup connection or failed I have the att 960u its on csa7 thanks in advance
edit 1: odin now fails as cannot open serial port
edit 2: fixed cannot open serial port but cannot get a firmware to write the ones I tried have failed to write

any help would be greatly appreciated I have downloaded almost every att firmware from 960u and 960u1 just need some guidance pls

SAMSUNG NOTE 8 N950F (XSP - Singapore Region) WONT BOOT INTO SYSTEM!! HELP!!

hi guys, im lost and desperate need help right now
its been 4 days im looking for solution but no avail
please i need help to make my device back to normal again
device : Samsung Note 8 (XSP - Singapore Region) running One UI 1, Android 9. oem unlocked.
so here is the stories,
3 days ago, 22 Dec 2020.
i did factory reset on my device, and reboot
after that, my device lost the network, it detect my sim card but cant connect to network. signal lost.
i tried to reboot like usuall but still, no network available. lost the signal
but i can connect to wifi.
and i reboot it again, suddenly stuck at samsung logo
at first i thought this is easy just need to flash it with stock firmware
and i did, i download the stock firmware from sammobile, XSP - Singapore region.
with BL, CP, CSC, AP file, repartition not ticked. only tick the Auto Reboot and F. Reset time.
i choose the CSC file not HOME_CSC. so everything went well. PASS! green light in odin.
successfully flash my device, but weird, it is still wont detect any network or signal. i tried to automatically find network operator but it says "unable to connect" i tried everything and it says "NO NETWORK"
i did checked my imei , and its safe, its not blocked. but why my device still wont detect my sim card
and the i tried to reflash and flash and flash it again, several time hoping it will detect any network from my sim card after flashing but no avail
and then at the night, flash at 6th time, my device giving me more problem.
suddenly stuck at samsung logo bootloop. i went to recovery state, its says :
"E: FAILED TO MOUNT /EFS (INVALID ARGUMENT)
DM VERITY ERROR" stuff like that
damnn what problem again this time
im frustated already
and i flash it again with Pixel Experience rom hoping the problem will went away, but still , same results. "NO NETWORK"
i look it up in Settings - About - Status - Sim Card Status , its shown "DISCONNECTED"
my imei still there but just wont connect to network.
and then i tried to re-flash it again with stock firmware and again went straight into bootloop. with broken efs etc some****
im so mad and frustated, the problem keeps coming.
and then i found a temporary solution from @bluecub1st thread about the same problem :
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The following is a guide for repairing failed to mount efs and dm-verify fail (drk error)
We finally did it ~~~
Warning - We will not take any responsibility for your device. Follow the steps at your own risk. If your device is Knox 0, This guide would convert it into Knox 1 due to TWRP. For solutions that does not convert to knox 1 check out payed remote solutions. Everything on your device will be reset, including efs partition. You will need backup of efs.
Test on N950F binary 4 may work on other exynos models comment below if it worked for other samsung devices.
Problem Detail -
Bootloop with samsung stock firmware boot logo.
Recovery error E:Failed to mount /efs (Invalid argument) or dm-verity verification failed...
Device cannot boot into Factory binary or Stock Rom
Actions that could cause this problem -
Flashing a non-signed efs.img by odin
Corrupt flash of efs partition.
Note - Must have efs backup for device to work (very important)
Any error that cause bootloop would show in recovery required if
Files Required
Latest Odin (recommend 3.13)
Working Stock firmware and Combination file (same binary as bootloader)
PC
Winrar or 7zip etc
Solution for efs failed bootloop-
Extract Stock firmware AP file (rename .md5 to .tar)
Rename dqmdbg.img to efs.img (or smallest image must be smaller than 8000 KB). Extract Dqmdbg.img.lz4 so it’s just “Dqmdbg.img” and then rename it to efs.img and put that one in a tar. Other option is downloading a file that’s already made this way if your bootloader is binary 4, Saves you trouble of extracting / renaming: http://www.mediafire.com/file/589wucja9rk2v8f/efs.tar/file (if you download this file just move onto number 3)
Add file new efs.img into tar archive.
Flash tar as AP file in odin + download mode
Reboot download mode
Flash Combination with odin + nand erase option on Edit: suggest you to flash stock rom first and oem unlock, don't need to wait for 7 days if imei is 0000 skip combination step
Device Should boot into Factory binary
Use IME to restore imei using *#06# (or imei 0000 in stock rom) Edit: This step is not required if efs backup is restored successful
Your device should have dm-verify failed in recovery due to drk error
Continue drk bypass for dm verify error below to continue
Solution for dm-verify error (also known as drk bypass - but temporary read note)-
Extract Stock firmware AP file
Make a copy of boot.img and delete recovery.img
Note - if files is boot.img.lz4 format change name to recovery.img.lz4
Rename boot.img copy to recovery.img
Add all the files (including other files extracted) to tar.
Flash Modded AP file with BL, CP, CSC (nand erase not required)
The phone will boot into stock firmware
Note- cannot reboot, will stuck at dm-verify error again and need to flash modded AP again.
Wait 7 days to oem unlock phone or use 7 day bypass by changing dates (not always work, keep trying, don’t reboot, worked for Samsunguser932 Edit: Imei must be 0000)
Edit: oem unlock will fix drk - if not you must follow next step
Once oem unlock flash TWRP and restore efs backup Edit: if you haven't fixed imei fix now by *#06# with combination file
Flash stock firmware once again by odin (stock, not modded)
Done - phone is back to normal
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but at my case , the solution still failed,
yes it did success boot back into the system but still my network is still missing.
and he says restore with efs backup but he didnt attach the file to download the efs backup, how can i continue that step?
so i skip that step and just went to reflash it with stock firmware and the problem came again, it stuck in bootloop.
with efs broken ,
anyone here can share your efs backup ?
please i need it
im using samsung note 8 n950f XSP Singapore region
will appreciate your help a lot. thanks a lot

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