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Hi friends
Please give me suggestion or guide how to solve problem about handset booting after mistakenly handset OEM locked through fastboot
It enter to fastboot mode but not going to recovery mode or restart in system mode
Is there any solution
If yes then please help me
fastboot oem unlock ?
Actually ive unlocked OEM and install twrp recovery and installed freedom os
Then while checking OEM status ive enter command fastboot OEM lock
It ask me I've pressed yes after that the massage is came after restart as your device is corrupt it can't be trusted and will not boot
After that it enter to fastboot but not going to recovery mode or system
While type command in fastboot OEM unlock massege come failed
This happens because your bootloader has been unlocked at one time. There is no going back, even if you use "fastboot oem lock" later.
Edit: Just noticed the part about your device will not boot. You need to find the system image and flash it. I read somewhere today that OnePlus just released the system image for 4.7.4.
Can you unlock again?
@op, IMHO the best possible solution will be to flash stock rom image and stock recovery if required but I think when you flash stock image it will also flash stock recovery.
When you turn off the phone and boot it with VOLUME UP plus POWER, this should send you straight away to Fastboot. Try if you can unlock again, otherwise... bad luck - you'll need a restore session with 1+.
the Doctor said:
This happens because your bootloader has been unlocked at one time. There is no going back, even if you use "fastboot oem lock" later.
Click to expand...
Click to collapse
Not to be unrespectful, but you're wrong, it is absolutely possible to relock bootloader without problems.
IMHO, trouble happened because he had a custom rom onboard... and a locked bootloader does exactly its purpose... to not boot insecure firmware!
jonsat said:
Not to be unrespectful, but you're wrong, it is absolutely possible to relock bootloader without problems.
IMHO, trouble happened because he had a custom rom onboard... and a locked bootloader does exactly its purpose... to not boot insecure firmware!
Click to expand...
Click to collapse
After looking into it further, I agree with you. That's what I get for having a bootloader-locked Samsung device for two years. I must be getting rusty!
Yes, the bootloader can be re-locked. There may still be a tamper flag as with previous OnePlus devices. But having a locked bootloader with non-OEM software would likely cause the problem he is describing. So, he needs to flash the factory image from bootloader.
I've requested to 1+support for restore remote session
Support send me file link and l2 will assist me in within 2 days
DO NOT RELOCK BOOTLOADER UNLESS U READ UP FIRST!!!!!, its worth just waiting the few seconds after reboot, then to go and try to relock the bootloader
I've restored oneplus 5t through remote session
it become as company new mobile
After that OEM also unlock
Thanks oneplus supports.
kaihansen2001 said:
Can you unlock again?
Click to expand...
Click to collapse
Yes ive unlock Bootloader
Rdxsammm said:
I've restored oneplus 5t through remote session
it become as company new mobile
After that OEM also unlock
Thanks oneplus supports.
Click to expand...
Click to collapse
How did you do it? can you guide me too?
sam razzy said:
How did you do it? can you guide me too?
Click to expand...
Click to collapse
Have you dumpling files and MSM download tools for oneplus 5t
If you have then restore op5t after success it work as new mobile.
But you can get basic dumpling file from oneplus support remote session.
You have to create ticket and chat with oneplus support
oneplus 5 device corrupt and it cant be trusted and will not bootr
hrushi0130 said:
oneplus 5 device corrupt and it cant be trusted and will not bootr
Click to expand...
Click to collapse
Did you by any chance re-lock the bootloader with a custom recovery and custom ROM flashed?
It's because of custom recovery.
Just flash stock recovery image before locking the bootloader.
This fixed for me.
Rdxsammm said:
Actually ive unlocked OEM and install twrp recovery and installed freedom os
Then while checking OEM status ive enter command fastboot OEM lock
It ask me I've pressed yes after that the massage is came after restart as your device is corrupt it can't be trusted and will not boot
After that it enter to fastboot but not going to recovery mode or system
While type command in fastboot OEM unlock massege come failed
Click to expand...
Click to collapse
You unlocked bootloader, flashed rom (custom) and relocked bootloader? Never lock your bootloader on a custom rom! Just enter fastboot again flash twrp (manual/force reboot recovery), copy internal storage to pc then wipe/format everything. Format data. Factory reset then flash latest official rom and reboot
So long story short, my rom (nitrogenOS, great rom BTW) got corrupt (or so I thought) and I had to wipe all data to re-install it clean.
But now I'm in a position where my phone has no rom, no recovery (neither TWRP nor stock) and both my bootloader and bootloader critical are locked (Last time I had to lock and unlock them to prevent bootloop before flashing stock OS, I don't know why)
Now I can't boot into twrp or absolutely anything, and cannot unlock the bootloader either because it says "Flashing unlock is not allowed".
Is my device 100% unrecoverable?
Going to have to go back to JBHifi (Australia) and have them send it to google
Any thing I can still do to recover the device?!
railpressureflip said:
So long story short, my rom (nitrogenOS, great rom BTW) got corrupt (or so I thought) and I had to wipe all data to re-install it clean.
But now I'm in a position where my phone has no rom, no recovery (neither TWRP nor stock) and both my bootloader and bootloader critical are locked (Last time I had to lock and unlock them to prevent bootloop before flashing stock OS, I don't know why)
Now I can't boot into twrp or absolutely anything, and cannot unlock the bootloader either because it says "Flashing unlock is not allowed".
Is my device 100% unrecoverable?
Going to have to go back to JBHifi (Australia) and have them send it to google
Any thing I can still do to recover the device?!
Click to expand...
Click to collapse
you might be able to fastboot boot path/to/recovey.img like when you were flashing twrp but im not sure if that works on locked devices try it with a factory image with the recovery extracted and if that works you can sideload the full ota in recovery.
and possibly lgs flashtool can rewrite the phone with it locked but idk if there are imgs out there or if it works with pixel 2 xl
for next time never lock your phone on a custom rom really never relock once unlocked there is no need to and it only takes away your recovery options
railpressureflip said:
So long story short, my rom (nitrogenOS, great rom BTW) got corrupt (or so I thought) and I had to wipe all data to re-install it clean.
But now I'm in a position where my phone has no rom, no recovery (neither TWRP nor stock) and both my bootloader and bootloader critical are locked (Last time I had to lock and unlock them to prevent bootloop before flashing stock OS, I don't know why)
Now I can't boot into twrp or absolutely anything, and cannot unlock the bootloader either because it says "Flashing unlock is not allowed".
Is my device 100% unrecoverable?
Going to have to go back to JBHifi (Australia) and have them send it to google
Any thing I can still do to recover the device?!
Click to expand...
Click to collapse
How the heck did your bootloader get locked if you didn't do it yourself?? Do you get your phone ID displayed when you type in "fastboot devices" in bootloader mode???
You probably ended up switching slots when you reflashed. You need to use Deuces flashing script. Say yes to unlocking.
Try downloading and installing skipsoft tools. It might not see your device but try. If it doesn't see it, manually select your device. Have it install USB drivers. Restart skipsoft and see if it sees your device then. I got into a situation once where in fastboot it showed something like a corrupt bootloader and my computer could not see my device. After messing with the phone with skipsoft running, skipsoft could see it when my computer couldn't.
i really need your help, please help....
i rooted my phone...
(i rooted it with magisk) buy a while after i wanted to revert the phone, and to use the stock operation system without root
i used TWRP to wipe anything (besides internal storage, where the oxygen os was), and OEM unlocked my device (using command prompt)... after that, i wanted to install the software using the OnePlus recovery, but than i noticed that i have forgotten to enable USB debugging and OEM Unlocking (this was the mistake, because now i dont think i can do anything with the computer... when i want to install the operation system using the command prompt (fastboot flash system) i cant...
(erasing 'system'... FAILED (remote: Erase is not allowed in Lock State)) ans when i want to unlock the OEM the same thing happens, an error shows up ()
i attempted to enter the recovey... but there is another error: your device is corrupt. it can't be trusted and will not boot
visit this link on another device: g.co/Abh)
i have no clue what to do, i dont have a cellphone right now and i have no hope... it is a new one, but it 20 days ago and im so upset...please help!!a
Is your phones bootloader is unlocked or what??
locked
it is locked (i mean i can do nothing becuse USB Debugging and OEM unlocked are not ticked in the settings)
Don't worry too much, the newer snapdragon devices such as the op5t are ubrickable. Try to search something like "unbrick a hard bricked phone with snapdragon soc"
TNX... i managed to solve it, it was bricked
Dixi99 said:
Don't worry too much, the newer snapdragon devices such as the op5t are ubrickable. Try to search something like "unbrick a hard bricked phone with snapdragon soc"
Click to expand...
Click to collapse
thank you!!! i found a youtube video about it and i unbricked it...!! i didnt even know what it is called...
it wasnt loced
rakesh595160 said:
Is your phones bootloader is unlocked or what??
Click to expand...
Click to collapse
nope, it wasn't, but i could do nothing with it because USB Debugging and OEM unlocking were not ticked in the settings
I unbrick my OP5T two times with this tool 100% working
So, long story short I recently decided to try and root my oneplus7t I unfortunately made some mistakes and somehow corrupted some files. I read elsewhere in the forum that I could download the stock rom which I did and then use flash-all and that would allow me to go back to the factory settings so I could lock the oem and just go back to normal because I was tired of the headache. Unfortunately, after using flash-all I locked the oem thinking everything should be stock and it would work properly. But it says device is corrupt and trying to unlock the oem says oem unlocking is disabled.
So did I just completely brick my phone? I don't know of anyway to fix it at this point :/.
kschmitz4 said:
So, long story short I recently decided to try and root my oneplus7t I unfortunately made some mistakes and somehow corrupted some files. I read elsewhere in the forum that I could download the stock rom which I did and then use flash-all and that would allow me to go back to the factory settings so I could lock the oem and just go back to normal because I was tired of the headache. Unfortunately, after using flash-all I locked the oem thinking everything should be stock and it would work properly. But it says device is corrupt and trying to unlock the oem says oem unlocking is disabled.
So did I just completely brick my phone? I don't know of anyway to fix it at this point :/.
Click to expand...
Click to collapse
Can you still boot into bootloader via the hardware keys, whatever that combo is on the 7t?
Boot to bootloader or recovery and factory reset it or so.
Josh McGrath said:
Can you still boot into bootloader via the hardware keys, whatever that combo is on the 7t?
Boot to bootloader or recovery and factory reset it or so.
Click to expand...
Click to collapse
I can get to the bootloader but it's Device State -locked and when I tell it to boot into recovery it says the device is corrupt. When I use fastboot to oem unlock it says I cannot, and I can't flash when oem is locked either.
kschmitz4 said:
I can get to the bootloader but it's Device State -locked and when I tell it to boot into recovery it says the device is corrupt. When I use fastboot to oem unlock it says I cannot, and I can't flash when oem is locked either.
Click to expand...
Click to collapse
Try
fastboot erase userdata and
Fastboot erase cache
Let me know if that works or not we will move on. Probably won't work since it's bootloader locked
You may have to contact OP and while you're at it, get the MSM tool for us all :good:
It says erase is not allowed in locked state . I think this is probably all she wrote for this one. I think I'm just going to send it back tbh, the whole reason I was trying to root it was because it didn't work with Sprint like they said it would. and I was wondering if I could find a way too make it work with custom software. Thanks for trying
Are you able to flash one of these Fastboot ROMs?
Maybe Sideload can work!
https://support.oneplus.com/app/answers/detail/a_id/4583/kw/7t here is official stock file.
https://forums.oneplus.com/threads/how-to-do-flash-through-adb-sideload.509377/
https://www.the***********.com/sideload-ota-update-stock-recovery-adb/
Please refer above links for your knowledge purpose maybe it can help.....
I unfortunately no longer have Twrp installed as I did a flash-all with a stock rom already . If I try and flash recovery it says "flashing is not alllowed in lock state". Sideloading wasn't functional back when I had twrp either as the functionality for it is still in progress. I'll probably try contacting support one more time and see if I can get a T2 who can unbrick it, otherwise I'm just going to send it back. Thanks for the attempts guys!
Edit: As to the flashboot roms I flash-all'ed one of them and that's how I got into this mess :/.
kschmitz4 said:
I unfortunately no longer have Twrp installed as I did a flash-all with a stock rom already . If I try and flash recovery it says "flashing is not alllowed in lock state". Sideloading wasn't functional back when I had twrp either as the functionality for it is still in progress. I'll probably try contacting support one more time and see if I can get a T2 who can unbrick it, otherwise I'm just going to send it back. Thanks for the attempts guys!
Edit: As to the flashboot roms I flash-all'ed one of them and that's how I got into this mess :/.
Click to expand...
Click to collapse
I ended up needing to flash the fastboot 10.0.3 firmware and was able to do a local upgrade to 10.0.4 that way, then flashing a patched boot.img via fastboot
I can't run any flash commands as my oem is locked. I don't suppose there's anyway around that?
kschmitz4 said:
I can't run any flash commands as my oem is locked. I don't suppose there's anyway around that?
Click to expand...
Click to collapse
How did you flash twrp with it oem locked??That doesnt make sense
I had twrp on it when the oem was unlocked, I was trying to reset the device to stock, so I did a flash-all and then oem locked it. But for some reason the repair was unsuccessful, and now it says my device is corrupted and I forgot to turn on oem unlocking in the settings on my phone after the flash-all before I did the oem-lock.
kschmitz4 said:
I had twrp on it when the oem was unlocked, I was trying to reset the device to stock, so I did a flash-all and then oem locked it. But for some reason the repair was unsuccessful, and now it says my device is corrupted and I forgot to turn on oem unlocking in the settings on my phone after the flash-all before I did the oem-lock.
Click to expand...
Click to collapse
You should have no issues reflashing the stock images
I cannot flash anything. Because my OEM state is locked.
Boot to Stock Recovery ?
Holding for a long time Volume Down + Power Buttons while booting your phone ?
Volume down plus power button takes me to "Your device is corrupt and will not boot"
kschmitz4 said:
Volume down plus power button takes me to "Your device is corrupt and will not boot"
Click to expand...
Click to collapse
Looks like you will need the MSM tool to fix this issue. You'll have to contact OP support and they will remote in your PC, load their software and flash it 100pct back to stock.
Also, disconnect them before they can delete the MSM tool so we can have it here in the community
kschmitz4 said:
Volume down plus power button takes me to "Your device is corrupt and will not boot"
Click to expand...
Click to collapse
Press volume up/down and power, reboot to fastboot. Unlock bootloader again. Install update from settings, reboot and install it again. (local install)
Factory reset in setting, reboot fastboot, lock bootloader. Reboot and untick unlock bootloader in developer settings.
Don't know if it's too late but I believe there's a working MSM tool now
Hi everybody,
yesterday I tried flashing the stock pocof3 rom back onto my phone, but since it got stuck in a bootloop at the fastboot logo. Showing the poco logo for a milisecond and then straight to fastboot..
(before this I flashed twrp and the arrowOS recovery and images a few time trying, without succes, to install this rom)
Last thing I did was flash via the mi-flash tool and did't see the "clean and lock" selection so it's also in lock state again.
I cant get adb to find the phone although the mi-flashtool is finding it.
anyone any tips?
I tried the vol up power trick, but this didn't help, keeps loading into fastboot
Did Mi Flash give an error message after trying to flash?
dreamytom said:
Did Mi Flash give an error message after trying to flash?
Click to expand...
Click to collapse
I dont recall giving an error, so i dont think so
now it is though, when trying to flash the firmware. error erasing boot_ab (failed: erase not allowed in lock state)
Kaayman said:
I dont recall giving an error, so i dont think so
now it is though, when trying to flash the firmware. error erasing boot_ab (failed: erase not allowed in lock state)
Click to expand...
Click to collapse
I'm not sure, but you may still be able to flash official ROMs.
But in "Configuration" make sure Erase is disabled
Kaayman said:
I dont recall giving an error, so i dont think so
now it is though, when trying to flash the firmware. error erasing boot_ab (failed: erase not allowed in lock state)
Click to expand...
Click to collapse
BAD NEWS... your Poco is bricked. You cannot flash ANYTHING using a PC when your bootloader is locked.
(I did same thing on a Mi11 5g last week and ended up selling it on eBay for spare & repairs
I tried sideload flash, miflash, copying update.zip to internal storage via ADB, and many other options - all without success).
- if your POCO is under warranty in your country (i.e. not a chinese import)... contact Xiaomi Support they can re-flash correct ROM
- Ask your local phone repair store... they *might* be able to flash original ROM back by using "Chimera" engineering software.
dreamytom said:
I'm not sure, but you may still be able to flash official ROMs.
But in "Configuration" make sure Erase is disabled
Click to expand...
Click to collapse
this doesn't seem to be an option. there is a checkbox with "erase all" but all are already unchecked
dezborders said:
BAD NEWS... your Poco is bricked. You cannot flash ANYTHING using a PC when your bootloader is locked.
(I did same thing on a Mi11 5g last week and ended up selling it on eBay for spare & repairs
I tried sideload flash, miflash, copying update.zip to internal storage via ADB, and many other options - all without success).
- if your POCO is under warranty in your country (i.e. not a chinese import)... contact Xiaomi Support they can re-flash correct ROM
- Ask your local phone repair store... they *might* be able to flash original ROM back by using "Chimera" engineering software.
Click to expand...
Click to collapse
This is what I feared already..
Kaayman said:
This is what I feared already..
Click to expand...
Click to collapse
- Bootloader was re-locked whilst a custom ROM was in the phone.
(MIUI with Locked bootloader will not boot up where ROM is not stock or does not match the region/product code).
You cannot apply for bootoader unlock because you cannot boot up into Android and request the unlock via Developer mode.
You cannot remotely (via PC cable) flash any ROM into a Xiaomi / POCO phone whilst botloader is locked.
You are in a chicken and egg situation.,,, but if you find a way to repair your phone, please let us know how you achieved it.
Good luck!
If the system hasn't booted up yet there is a chance that you will be able to unlock bootloader again. Try it.
mar.ur said:
If the system hasn't booted up yet there is a chance that you will be able to unlock bootloader again. Try it.
Click to expand...
Click to collapse
That's what I'm thinking too ...
Connect the phone to pc and do the bootloader unlock again via the mi unlock app - you don't need to apply again and stuff as long as you're able to recognise the phone inside app correctly
Rstment ^m^ said:
That's what I'm thinking too ...
Connect the phone to pc and do the bootloader unlock again via the mi unlock app - you don't need to apply again and stuff as long as you're able to recognise the phone inside app correctly
Click to expand...
Click to collapse
thanks everyone for all the replies!
tried unlocking it via the mi unlock tool (latest) but it says (in chinese) its locked by nr 123***456 by searching the phone - can't unlock
edit:
google lens translates:
X The phone has been locked by the account number 661****647 by searching the phone, Can't unlock
but it's not the nr. of my account..
dezborders said:
- Bootloader was re-locked whilst a custom ROM was in the phone.
(MIUI with Locked bootloader will not boot up where ROM is not stock or does not match the region/product code).
You cannot apply for bootoader unlock because you cannot boot up into Android and request the unlock via Developer mode.
You cannot remotely (via PC cable) flash any ROM into a Xiaomi / POCO phone whilst botloader is locked.
You are in a chicken and egg situation.,,, but if you find a way to repair your phone, please let us know how you achieved it.
Good luck!
Click to expand...
Click to collapse
Is it not even possible to flash Official ROMs?
Isn't there like a system that it checks the signature of the ROM and if it's a signed ROM it allows the flash? Or am I mistaken?
dreamytom said:
Is it not even possible to flash Official ROMs?
Isn't there like a system that it checks the signature of the ROM and if it's a signed ROM it allows the flash? Or am I mistaken?
Click to expand...
Click to collapse
Nope bootload locked = no 'remote' flashes via pc
Apparently there is an 'authenticated user' mode for Xiaomi engineers in MiFlaah and also an EDL Emergency Download Mode which you can trigger by shorting out 2 pins on the motherboard so bypass bootloader lock and flash any ROM
Neither were available options for me
dezborders said:
Nope bootload locked = no 'remote' flashes via pc
Apparently there is an 'authenticated user' mode for Xiaomi engineers in MiFlaah and also an EDL Emergency Download Mode which you can trigger by shorting out 2 pins on the motherboard so bypass bootloader lock and flash any ROM
Neither were available options for me
Click to expand...
Click to collapse
I also tried to simulate a local OTA by copying update.zip to internal storage using ADB push command and booting into recovery mode to flash ... But it doesn't work for me
dezborders said:
Nope bootload locked = no 'remote' flashes via pc
Apparently there is an 'authenticated user' mode for Xiaomi engineers in MiFlaah and also an EDL Emergency Download Mode which you can trigger by shorting out 2 pins on the motherboard so bypass bootloader lock and flash any ROM
Neither were available options for me
Click to expand...
Click to collapse
I'm now in the procedure to sent it back under warranty. any idea if this is possible and what the cost would be if not under warranty?
If all fails i'll try the shorting by pins, should be interesting
I think a warranty repair claim is your best bet ... I have never read anywhere that unlocking bootloader invalidates Xiaomi warranty (Unlike Samsung and so many other brands!)
If warranty repair is re refused try a few independent repair shops
Last resort is get the back cover off the phone and short out the EDL pins
Good luck!
Let us know if you manage to get your phone booting up again
See this thread (last post) for a possible workaround via a 3rd party recovery image to flash EU rom
[Solved] Stuck in fastboot with locked bootloader
HI there! After multiple problems with the custom ROMs I tested, I finally decided to go back to the stock ROM by downloading it from the official thread. I extracted the .tgz archive, run the "flash_all.bat" program, which failed by saying it...
forum.xda-developers.com
Kaayman said:
I'm now in the procedure to sent it back under warranty. any idea if this is possible and what the cost would be if not under warranty?
If all fails i'll try the shorting by pins, should be interesting
Click to expand...
Click to collapse
I once hardbricked (complete blackscreen, not even Fastboot reachable) a Poco F3.
I requested a replacement from Amazon and that worked.
I said a software update bricked it.
Of course having to do that is really bad, but I was scared of opening the back.
dezborders said:
See this thread (last post) for a possible workaround via a 3rd party recovery image to flash EU rom
Bootloop to fastboot logo and back in lock state
Hi everybody, yesterday I tried flashing the stock pocof3 rom back onto my phone, but since it got stuck in a bootloop at the fastboot logo. Showing the poco logo for a milisecond and then straight to fastboot.. (before this I flashed twrp and...
forum.xda-developers.com
Click to expand...
Click to collapse
You pasted the current thread, do you have the link to the thread you meant?
Kaayman said:
You pasted the current thread, do you have the link to the thread you meant?
Click to expand...
Click to collapse