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oreo twrp install error

Hi guys
I want to install android 8 (emuı or custom rom) but the oreo twrp doesnt installing, ı tried every time and show an error, how to fix this thing?

kadirc5 said:
Hi guys
I want to install android 8 (emuı or custom rom) but the oreo twrp doesnt installing, ı tried every time and show an error, how to fix this thing?
Click to expand...
Click to collapse
You must give more info so that anyone can understand your problem. Which steps did you follow, which error is it...??? BTW better post it in its right thread (Oreo flashing guide)

CarlosAG10 said:
You must give more info so that anyone can understand your problem. Which steps did you follow, which error is it...??? BTW better post it in its right thread (Oreo flashing guide)
Click to expand...
Click to collapse
First part, is the twrp installation on the fastboot mode. I wrote this code > fastboot flash recovery_ramdisk recovery_ramdisk.img and pressed enter
Sending... Ok
Writing...
FAİLED

kadirc5 said:
First part, is the twrp installation on the fastboot mode. I wrote this code > fastboot flash recovery_ramdisk recovery_ramdisk.img and pressed enter
Sending... Ok
Writing...
FAİLED
Click to expand...
Click to collapse
Try sending command "fastboot devices". Does a number appear? In that case, check your recovery_ramdisk img and directory

CarlosAG10 said:
Try sending command "fastboot devices". Does a number appear? In that case, check your recovery_ramdisk img and directory
Click to expand...
Click to collapse
Yes, shows a number
How can ı check?

kadirc5 said:
Yes, shows a number
How can ı check?
Click to expand...
Click to collapse
Download the files again and make sure you are correctly using fastboot

since you rebranded the device, you should unlock the bootloader again. fastboot doesn't allow running command with a locked bootloader
fastboot oem unlock yourcodehere

Striike said:
since you rebranded the device, you should unlock the bootloader again. fastboot doesn't allow running command with a locked bootloader
fastboot oem unlock yourcodehere
Click to expand...
Click to collapse
Im gonna try at the weekend thanks

HELP; stuck at reflash service bootloder in ost tools

i have unlocked my bootloader and now im not able to roll back to stock firmware.
please help me.

Pinchyneilprince said:
i have unlocked my bootloader and now im not able to roll back to stock firmware.
please help me.
Click to expand...
Click to collapse
Which version of OST are you using? You need to use version 6.0.4

Pinchyneilprince said:
i have unlocked my bootloader and now im not able to roll back to stock firmware.
please help me.
Click to expand...
Click to collapse
Did you use
Code:
fastboot flashing unlock_critical
or just
Code:
fastboot oem unlock-go
You have to do
Code:
fastboot flashing unlock_critical
to be able to reflash bootloader

Thank q sir.
Doktaphex said:
Did you use
Code:
fastboot flashing unlock_critical
or just
Code:
fastboot oem unlock-go
You have to do
Code:
fastboot flashing unlock_critical
to be able to reflash bootloader
Click to expand...
Click to collapse
This worked for me thank q sir.

Doktaphex said:
Did you use
Code:
fastboot flashing unlock_critical
or just
Code:
fastboot oem unlock-go
You have to do
Code:
fastboot flashing unlock_critical
to be able to reflash bootloader
Click to expand...
Click to collapse
I am in same position! Bricked maybe ...
I previously got an unlock bootloader key and all was great.
I then went to relock my bootloader and now I can only get into download mode.
I tried loading up into OST but it freezes on ‘reflash service bootloader’.
I was on the latest Android P Beta.
I even tried unlocking the bootloader using the original .bin file but that didn’t work.
Is there anything I can do?

Deleted....

I had the same problem yesterday evening.... I download the rollback zip to Oreo on Nokia developper website, i copy it on my external sd card, i boot in recovery mode, wipe all data, and i choose apply an update from sd card, and i zelect the zip, and it works well!
The only problem is the loss of all your data if it was not saved...

poczynek said:
Did you use or just
You have to do
I am in same position! Bricked maybe ...
I previously got an unlock bootloader key and all was great.
I then went to relock my bootloader and now I can only get into download mode.
I tried loading up into OST but it freezes on ‘reflash service bootloader’.
I was on the latest Android P Beta.
I even tried unlocking the bootloader using the original .bin file but that didn’t work.
Is there anything I can do?
Click to expand...
Click to collapse
If u are on locked bootloader then OST won't work. OST will work only in Unlocked bootloader.
And u can't enter in recovery mod. Only download mod. Correct? Same happened with me also. Now my phone is in service centre for tha past 11 days. They told Motherboard issue and can claim warranty. So i am waiting for new motherboard and my 7+.

Pinchyneilprince said:
i have unlocked my bootloader and now im not able to roll back to stock firmware.
how do u unlocked bootloader?
Click to expand...
Click to collapse

speechless said:
Pinchyneilprince said:
i have unlocked my bootloader and now im not able to roll back to stock firmware.
how do u unlocked bootloader?
Click to expand...
Click to collapse
U can pay and buy unlock code. Guys doing this in telegram. Contact them
Click to expand...
Click to collapse

Rajeev said:
speechless said:
U can pay and buy unlock code. Guys doing this in telegram. Contact them
Click to expand...
Click to collapse
i dont have creditcart to pay :crying: anyway can u send me his profile link pls
Click to expand...
Click to collapse

speechless said:
Rajeev said:
i dont have creditcart to pay :crying: anyway can u send me his profile link pls
Click to expand...
Click to collapse
I don't have buddy. I lost all contacts.. sorry..
Click to expand...
Click to collapse

Rajeev said:
speechless said:
I don't have buddy. I lost all contacts.. sorry..[/QUO
It's ok bro no prob
Click to expand...
Click to collapse
Click to expand...
Click to collapse

siberflyers said:
I had the same problem yesterday evening.... I download the rollback zip to Oreo on Nokia developper website, i copy it on my external sd card, i boot in recovery mode, wipe all data, and i choose apply an update from sd card, and i zelect the zip, and it works well!
The only problem is the loss of all your data if it was not saved...
Click to expand...
Click to collapse
can you give me thd link pls

Doktaphex said:
Did you use
Code:
fastboot flashing unlock_critical
or just
Code:
fastboot oem unlock-go
You have to do
Code:
fastboot flashing unlock_critical
to be able to reflash bootloader
Click to expand...
Click to collapse
can you plz tell me how do you use codes with OST, thanks

Relock Bootloader

Hello,
Im trying to relock my bootloader again, did i just have to use the "fastboot oem lock" command? Because i read it somewhere that i have to flash stock rom before locking the bootloader, if yes can someone give me the link for stock rom and how to flash it, FYI when unlocking im only using "fastboot oem unlock' command, not doing "fastboot unlock critical blablabla".
Any help would be appreciated, thank you

as far as i know, you need to flash stock bootloader of your current android build then uninstall magisk (if you have it) and just use fastboot oem unlock and you're done (note! backup all your data cause it will make a full wipe)

DiesFrae said:
as far as i know, you need to flash stock bootloader of your current android build then uninstall magisk (if you have it) and just use fastboot oem unlock and you're done (note! backup all your data cause it will make a full wipe)
Click to expand...
Click to collapse
I stopped after unlock bootloader only, i didnt root it at all, so you mean after flash just run fastboot oem lock command?

prayogasp said:
I stopped after unlock bootloader only, i didnt root it at all, so you mean after flash just run fastboot oem lock command?
Click to expand...
Click to collapse
Then you don't need to flash anything at all. Just run fastboot oem lock command.

prayogasp said:
I stopped after unlock bootloader only, i didnt root it at all, so you mean after flash just run fastboot oem lock command?
Click to expand...
Click to collapse
[email protected] said:
Then you don't need to flash anything at all. Just run fastboot oem lock command.
Click to expand...
Click to collapse
Exactly, you don't need to flash anything. Just put phone into fastboot and run fastboot oem lock

[email protected] said:
Then you don't need to flash anything at all. Just run fastboot oem lock command.
Click to expand...
Click to collapse
DiesFrae said:
Exactly, you don't need to flash anything. Just put phone into fastboot and run fastboot oem lock
Click to expand...
Click to collapse
Will it wipe data again just like unlocking?

Yes. It will wipe your data. Please becareful.
Oh. Please sure that you have back to original boot image before relock or your device will brick.

Hi, can someone provide stock boot image for 10.0.1.0 build (Android 9.0)

av2032 said:
Hi, can someone provide stock boot image for 10.0.1.0 build (Android 9.0)
Click to expand...
Click to collapse
https://sourceforge.net/projects/xioami/files/Mi A2/

ckpv5 said:
https://sourceforge.net/projects/xioami/files/Mi A2/
Click to expand...
Click to collapse
Can I simply flash boot_a boot.img / boot_b boot.img and then do
fastboot oem lock?

av2032 said:
Can I simply flash boot_a boot.img / boot_b boot.img and then do
fastboot oem lock?
Click to expand...
Click to collapse
I never relock bootloader .. what I know is you must have fully stock ROM installed then only advisable to lock bootloader. Never do on rooted stock & custom ROM.
Maybe someone else can advise you better.

ckpv5 said:
I never relock bootloader .. what I know is you must have fully stock ROM installed then only advisable to lock bootloader. Never do on rooted stock & custom ROM.
Maybe someone else can advise you better.
Click to expand...
Click to collapse
I have fully stock ROM. Done it anyway... restoring from Google backup right now. Thanks.

Can anyone provide stock boot img for 10.0.3
---------- Post added at 04:55 AM ---------- Previous post was at 04:10 AM ----------
Can I use 10.0.2 boot image for 10.0.3

av2032 said:
I have fully stock ROM. Done it anyway... restoring from Google backup right now. Thanks.
Click to expand...
Click to collapse
Did you lose data after relocking? I mean lock bootloader causes a data wipe like unlocking?

prayogasp said:
Hello,
Im trying to relock my bootloader again, did i just have to use the "fastboot oem lock" command? Because i read it somewhere that i have to flash stock rom before locking the bootloader, if yes can someone give me the link for stock rom and how to flash it, FYI when unlocking im only using "fastboot oem unlock' command, not doing "fastboot unlock critical blablabla".
Any help would be appreciated, thank you
Click to expand...
Click to collapse
here is the link for fastboot rom
https://forum.xda-developers.com/mi-a2/how-to/fastboot-xiaomi-mi-a2-fastboot-images-t3824849
for your sugestion, if your device is arb2, flash 9690 fastboot rom.
saran, jika masih arb2, flash ke rom 9690..ane pas pertama beli mia2, dapet rom 9690 arb 2..

alibr said:
Did you lose data after relocking? I mean lock bootloader causes a data wipe like unlocking?
Click to expand...
Click to collapse
Yes... it erases everything

Lock while using miui
Can I relock my bootloader while using official MIUI rom?

Aside from
Fastboot oem lock
Do i need this?
fastboot flashing lock
fastboot flashing lock_critical

amnher said:
Aside from Fastboot oem lock
Do i need this?
fastboot flashing lock
fastboot flashing lock_critical
Click to expand...
Click to collapse
"Fastboot oem lock" seems to be depreciated for Mi A2, better use "fastboot flashing lock" instead of "OEM unlock" (though probably these are still equivalent).
And yes, full unlock is achieved when after general unlock you are unlocking critical (once more approve on phone, once more user data erased).

For your information. I've just bricked my Redmi 10S with stock ROM with the command ""Fastboot oem lock" :-(

Help bricked mi a2

I was trying to install stock rom after installing RR rom. MiFlash said "flashing is not allowed for critical partitions" and when i did "fastboot flashing unlock_critical" from cmd i got "remote: Flashing Unlock is not allowed". I then used the allinone tool from xda and pressed "lock loader" to unlock it again and ended up bricking the device as it now shows "your device is corrupt. it can't e trusted and will not boot" I can't enter recovery either only fastoot and nothing works. PLEASE HELP FAST

have you tried flaashing via edl mode ?

medkim said:
have you tried flaashing via edl mode ?
Click to expand...
Click to collapse
how to do that

Hammad1029 said:
how to do that
Click to expand...
Click to collapse
reboot into edl mode and flash stock rom by mifilash tool

medkim said:
reboot into edl mode and flash stock rom by mifilash tool
Click to expand...
Click to collapse
how do I reboot into edl mode without dissembling the phone

Hammad1029 said:
how do I reboot into edl mode without dissembling the phone
Click to expand...
Click to collapse
reboot into bootloader then issue this command via adb
fastboot oem edl

medkim said:
reboot into bootloader then issue this command via adb
fastboot oem edl
Click to expand...
Click to collapse
it gives "FAILED (remote: 'Device is already locked!')"

@__harmeet reply here please

Hammad1029 said:
it gives "FAILED (remote: 'Device is already locked!')"
Click to expand...
Click to collapse
friend
first of all, you shoud unlock the bootloader
try with this guide

medkim said:
friend
first of all, you shoud unlock the bootloader
try with this guide
Click to expand...
Click to collapse
@Hammad1029 He Is Right, Firstly Unlock The Bootloader, Then Unlock Its Critical Partition And Boot Up Into EDL Mode By Typing "fastboot oem edl#

medkim said:
friend
first of all, you shoud unlock the bootloader
try with this guide
Click to expand...
Click to collapse
have tried already it says "FAILED (remote: Flashing Unlock is not allowed"

bump...

Dude, how many threads do you need to create, it won't make it any more likely that anyone will help you
Your problem is caused by that you only unlocked the bootloader and not critical partitions
Which stock rom were you on before flashing a custom one?

Nebrassy said:
Dude, how many threads do you need to create, it won't make it any more likely that anyone will help you
Your problem is caused by that you only unlocked the bootloader and not critical partitions
Which stock rom were you on before flashing a custom one?
Click to expand...
Click to collapse
I created the 2nd thread in desperation of restoring my only phone so sorry. How do I unlock the ootloader it shows the error I mentioned above

Hammad1029 said:
I created the 2nd thread in desperation of restoring my only phone so sorry. How do I unlock the ootloader it shows the error I mentioned above
Click to expand...
Click to collapse
I asked you what stock rom you were on

Nebrassy said:
I asked you what stock rom you were on
Click to expand...
Click to collapse
10.0.2

Hammad1029 said:
10.0.2
Click to expand...
Click to collapse
Are you sure?, if so, manually flash boot, system and vendor using fastboot to your current slot
Fastboot flash boot_a boot.img
Or boot_b if active slot is B etc...
Then go to developer options and enable oem unlocking, if you can't enable that option, lock the bootloader, enable the option then unlock bootloader and critical flashing

Nebrassy said:
Are you sure?, if so, manually flash boot, system and vendor using fastboot to your current slot
Fastboot flash boot_a boot.img
Or boot_b if active slot is B etc...
Then go to developer options and enable oem unlocking, if you can't enable that option, lock the bootloader, enable the option then unlock bootloader and critical flashing
Click to expand...
Click to collapse
can I claim warranty on this issue

Hammad1029 said:
can I claim warranty on this issue
Click to expand...
Click to collapse
Hi , sorry for my bad English , if you can open you phone and enter to EDL MODE and flash the stock rom of your device may be solve your problem ,
(I get the same problem trying to install a custom rom)
If you can't acces to EDL via ABD i think that you only can enter to EDL disasembly your phone .. Suertee xd
Yo también me desesperé

same problem
i got the same problem, won't start normally, hangs in boot screen so can't enter the phone to put it in usb debugging, only responce is through fastboot mode. Every attempt is failing due to locked state and unlocking is not allowed.

i was updating china rom [ RED MAGIC 3 ] from local update and phone got curropted

it says your device is corrupt. it cant be trusted
how to fix it please help me how to start phone , i tryed some solution to flash and all that but nothing worked

I think u also same mistake. Before install cn rom. U not enable oem unlock option in davoloper features

brawlhack said:
it says your device is corrupt. it cant be trusted
how to fix it please help me how to start phone , i tryed some solution to flash and all that but nothing worked
Click to expand...
Click to collapse
Few days before I was in the same situation.
Tried lot of solution but the simplest to solve was using the below 2 command when in fastboot.
fastboot oem nubia_unlock NUBIA_NX629J
fastboot flashing unlock
This should unlock the bootloader and you should be able continue the setup.
All the Best...

it says flashing unlock is not allowed
rajnathr said:
Few days before I was in the same situation.
Tried lot of solution but the simplest to solve was using the below 2 command when in fastboot.
fastboot oem nubia_unlock NUBIA_NX629J
fastboot flashing unlock
This should unlock the bootloader and you should be able continue the setup.
All the Best...
Click to expand...
Click to collapse
it says flashing unlock is not allowed

Same thing happened to me, tried all the recommendations given on this site, none works . Any help will be appreciated, now i have a paper weight

re-flashed the phone using the first version of the Chinese ROM v2.12 now can use the OTG update option. just need to get a usb adapter now

Which files i need to flash
Steffran said:
re-flashed the phone using the first version of the Chinese ROM v2.12 now can use the OTG update option. just need to get a usb adapter now
Click to expand...
Click to collapse
Can you tell full step and i guess i need system.img also where i can get it ...kindly please help sir ?

https://drive.google.com/drive/folders/16in6Jnyi4s5aIIuQwapQ1KK1LjysSfYm
Here is the link to download required file by an XDA member.
But before you flash system image first try with the boot img and recovery img.
I was to getting the message that i cant flash so used the command for oem unlock which reset the counter to 1
After which did flashing of boot .img and then recovery.img
If issue the use the falshboot flashing unlock.
This were the steps used by me to recovery, i didnot do any other flashing.
Hope this helps you
Edit: After the oem unlock command directly try to flash boot and then recovery and then if required flashing unlock command.

its still saying your device is corrupt ...anyone can help me
rajnathr said:
https://drive.google.com/drive/folders/16in6Jnyi4s5aIIuQwapQ1KK1LjysSfYm
Here is the link to download required file by an XDA member.
But before you flash system image first try with the boot img and recovery img.
I was to getting the message that i cant flash so used the command for oem unlock which reset the counter to 1
After which did flashing of boot .img and then recovery.img
If issue the use the falshboot flashing unlock.
This were the steps used by me to recovery, i didnot do any other flashing.
Hope this helps you
Edit: After the oem unlock command directly try to flash boot and then recovery and then if required flashing unlock command.
Click to expand...
Click to collapse
its not booting after doing that please help me if possible can we talk in discord

using cm
fastboot oem nubia_unlock NUBIA_NX629J
fastboot -w
reboot phone done

after this
nil3m1 said:
using cm
fastboot oem nubia_unlock NUBIA_NX629J
fastboot -w
reboot phone done
Click to expand...
Click to collapse
after this i need to flash boot and recovery img ?