My phone was previously rooted (can't remember if I used mobogenie or Kingoroot). I un-rooted using superuser in an attempt to get the update to 4.4. when I tried to boot in recovery mode it says "System software not authorized by AT&T has been found on your phone. Please turn off your phone and go to the nearest ATT store for help" and "Secure Fail: KERNEL". It can be put in download mode. I've tried using odin to go back to the stock rom but get a "fail" everytime (with the pit file and without) and the message "Complete(Write) operation failed". I also tried to push files using fastboot but the computer doesn't recognize my device when I type "adb devices" -- nothing comes up. I also tried Kies but it just keeps saying "connecting" but never does.
Ultimately what I am trying to achieve is #1 unbrick the phone (of course) and #2 to end up with at least 4.4 (or possibly higher if available).
Try flashing just the boot loader in odin. That saved me several times
Hello guys,
I tried to update my phone to marshmellow, it got stuck at 95% and after it it entered a bootloop, I thought on just installing a custom recovery and take it from there but when I use fastboot it gives me a Remote: command not allowed error, I have my bootloader unlocked, I am thinking this has to do with not having USB debugging enabled, I can´t access the phone to activate it though. I have also tried to flash lots of stock roms through sd putting them on dload folder on Sds root but it fails right away at 5% it says update install failed, at this point Im not sure what to do... Any ideas?
thanks
So today I wanted to root my phone and flash a custom rom. I went to the PC and setted my phone in download mode, opened Odin, downloaded the TWRP from the S9 (SM-G960F) XDA Forum then I've selected on AP (Odin) the .img file but it gave me error. My phone said "Custom Binary (USERDATA) blocked by FRP lock" and now when I try to boot it says "An error occurred while updating the device software use the emergency recovery function" but it won't be recognized by the tool. I'm basically stuck with my phone giving me this message with a blue background.
Edit: Nevermind, I fixed it and got TWRP to work.
After rebooting my device (Android 8, rooted+TWRP as recovery), i got a blue screen with the error message :"Security Error: This Device has been flashed with unauthorized software & locked". I tried getting into recovery but FRP blocked it. Download mode says that oem lock is on, but i dont remember turning the oem unlocker off. I tried to flash the Stockfirmware back on, but while it passed (BL,AP,Home-CSC), i still got the blue screen with the Security Error. When i try to flash with the normal CSC, i get the message that frp is enabled and it ignores the pit.
Can someone help me?
Edit: The Problem was that i tried to flash the Rom with odin 3.12 not 3.13. After i used Odin 3.13 for the Flash it worked again.
Hi folks,
I've got a new A52 5G and wanted it to root. TWRP couldn't be used, because each and every possible solution failed. I even got stuck at boot with a message that the recovery couldn't get startet, even if I just restarted the phone without pressing the keys and without plugged USB cable.
Even flashing the original firmware was not possible. Then I tried to lock the bootloader again and flashing of the firmware was going on with odin. Puh... Then I used the Magisk method without TWRP to change die boot.img with magisk and load it in Odin. Success! I had now root on the phone. Yesterday I read about uninstall Magisk and install it afterwards on the B partition for updating the firmware over OTA. But accidentally I pressed the button below "uninstall" and it performed imediately. Now my phone is dead again... With unlocked Bootloader it is stuck in a bootload and I can start the Samsung recovery mode to wipe the cache for example. I wiped the phone completely, but it is still stucked in a bootloop.
Then I tried my first method: Just lock the Bootloader again (in the download mode) and then flash the new firmware with odin. But Odin either crashes or is giving me instantly the message "failed".
When I'm trying to start the phone (it happened also after locking the bootloader) i'm getting the download screen and the message with a big red !
"partition boot
Reason boot: Hash of data does not match digest in descriptor. [2nd] (3)
Calculated Hash of (boot) : 23B8CFD554, (VEMETA) : D23E59ACD6
CUSTOM boot
VBMETA A526BXXU1AUCA, 38851814R"
Now I unlocked the bootloader again, to access the recovery mode so I can turn it off. Otherwise its stuck in the damn bootloop. Can't flash and wipe doesn't help either.
Please help me somehow -.-
why did you u
Insomnium_D said:
Hi folks,
I've got a new A52 5G and wanted it to root. TWRP couldn't be used, because each and every possible solution failed. I even got stuck at boot with a message that the recovery couldn't get startet, even if I just restarted the phone without pressing the keys and without plugged USB cable.
Even flashing the original firmware was not possible. Then I tried to lock the bootloader again and flashing of the firmware was going on with odin. Puh... Then I used the Magisk method without TWRP to change die boot.img with magisk and load it in Odin. Success! I had now root on the phone. Yesterday I read about uninstall Magisk and install it afterwards on the B partition for updating the firmware over OTA. But accidentally I pressed the button below "uninstall" and it performed imediately. Now my phone is dead again... With unlocked Bootloader it is stuck in a bootload and I can start the Samsung recovery mode to wipe the cache for example. I wiped the phone completely, but it is still stucked in a bootloop.
Then I tried my first method: Just lock the Bootloader again (in the download mode) and then flash the new firmware with odin. But Odin either crashes or is giving me instantly the message "failed".
When I'm trying to start the phone (it happened also after locking the bootloader) i'm getting the download screen and the message with a big red !
"partition boot
Reason boot: Hash of data does not match digest in descriptor. [2nd] (3)
Calculated Hash of (boot) : 23B8CFD554, (VEMETA) : D23E59ACD6
CUSTOM boot
VBMETA A526BXXU1AUCA, 38851814R"
Now I unlocked the bootloader again, to access the recovery mode so I can turn it off. Otherwise its stuck in the damn bootloop. Can't flash and wipe doesn't help either.
Please help me somehow -.-
Click to expand...
Click to collapse
why did you OTA update the rooted phone
it is clearly written that your phone might brick.
what happened to you is your boot.img file is replaced with the newer version try replacing with the boot.img file of previous version.
I didn't, because I get (as always, this is not my first rooted phone) the message, that the system has been changed. OTA is not working and I read that uninstall magisk, update the phone and BEFORE reboot install magisk again on partition B. But I accidentaly pressed the second option in magisk, complete uninstall or how its name is. Didn't expected, that its start instantly without a "Caution" message.
Uninstalling Magisk should not bring my phone into a bootloop anyway, even if I wipe the cache. Or am I wrong?
raja0408 said:
what happened to you is your boot.img file is replaced with the newer version try replacing with the boot.img file of previous version.
Click to expand...
Click to collapse
That is the problem how do I do that, when everything with odin stops imediately or odin crashes.
Does Odin give you any error messages? Are you patching all of the files for the firmware AP BL CP & CSC? Are you making sure to use the non home CSC? Have you tried using Samsung Smart Switch to recover your phone?
Smart Switch didn't recognize the phone. The only error on Odin was "succeed 0 / failed 1).
It worked with Windows 10 notebook and the USB C Port. However it didn't worked on Win 7 and regular USB Ports. Very strange. Well, but now I have the original firmware and again lots of bloatware. TWRP doesn't work, impossible to boot with it. How can I root the A52 with Magisk that way, to deactivate it - if needed - for firmware updates? The phone doesn't has A/B partition.
Same happened to me.
So, I have an A52 Indian version and want to flash the Canadian firmware. I downloaded different versions of the Canadian firmware and used Odin to flash. I followed the instructions on downloading the files, loading them into Odin,hit Start and it kept failing. It was giving an error message regarding a repartitioning error. Could this be due to having to tick "OEM Unlocking" in developer options which I hadn't done?
Hey, is your phone still stuck ?
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