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Phone not booting after oem lock

I flashed stock fastboot rom (YU OS) and it booted. After that, I did "fastboot oem lock" and phone not booting. fastboot not allowing me to flash another rom too.
I googled about this and it says I need to enabled USB debugging from dev tools. But since phone not booting, I am not able to do this.
Can anyone help please?

parvejsolkar said:
I flashed stock fastboot rom (YU OS) and it booted. After that, I did "fastboot oem lock" and phone not booting. fastboot not allowing me to flash another rom too.
I googled about this and it says I need to enabled USB debugging from dev tools. But since phone not booting, I am not able to do this.
Can anyone help please?
Click to expand...
Click to collapse
Hmm you use a single bad command
fastboot oem lock
Its created problem at all.
Flash stock ROM using ets tool.
Download stock ROM from firmwarefile.com
http://firmwarefile.com/yu-yunique
Contents of the ZIP :
Drivers
Firmware
Flash Tool
YU YUNIQUE STOCK ROM FLASHING TECHNIQUE { TESTED AND WORKING }
==============================
· Now Extract the folder on Desktop
· Install the Driver given in the Driver Folder
· Restart PC
· Open the ETS Flash tool
· Connect your phone in Fastboot Mode
To go to FASTBOOT Mode...
Switch off your phone.
Press Vol. Down + Power Button till the YU logo comes up.
Then.. It will stuck on YU Logo.. and thats the FASTBOOT Mode.
· Press the Butterfly USB Button
· You can see your device to the connected USB Slot with Device ID 0X2A96
· Now open Set Select Emergency Mode and Select the Firmware Folder
· Now Select the Correct USB Slot for Example : USB801 and Set others to NULL
· Now Switch off Phone
· PRESS VOLUME UP + VOLUME DOWN + POWER BUTTON KEEP PRESSED AND AFTER SOME TIME THE SCREEN WILL TURN ON AND THE PHONE WILL VIBRATE AND WILL IMMEDIATELY THE SCREEN WILL GO BLANK...
DON'T WORRY AS IT HAS NOW SUCCESSFULLY ENTERED THE DOWNLOAD MODE.
AND THEN CONNECT PHONE TO PC.
IT WILL SHOW UP AS 'sahara download mode'. If it doesn't show this try installing Qualcomm USB Drivers.
Press Start All Then You have to wait ( DO NOT DISCCONECT THE MOBILE KEEP ATLEAST 50% BATTERY )
Phone will restart Automatically
Full reset wipe data and restart
ENJOY!! Its done.
After it you got unbricked yu yunique
Now follow steps given on yuplaydeveloper site to flash latest official yuos
Don't use any other commands which is not in steps.
:laugh:
Hit thanks if you solve it with this method.

bro i'm getting a md5 checksum error on tz.mbn and the process fails everytime in v2. However v1 worked for me. Thanks for the guide :laugh:

Huawei P9 Brick( The easiest way to unbrick)

1. First Turn off your Device (If you can't then Drain The Battery)
2. HOLD Volume Down & Connect to USB ( Now your phone will boot to fastboot )
3. DOWNLOAD ADB & Fastboot on your Computer. Link - https://mega.nz/#F!sSZDmYiA!RnMmcG88-nvqQj7UNPrPZw
4. Extract your stock firmware via Huawei UPDATE.app Extractor Software (Recovery only)
If you're on Marshmallow Before then extract Marshmallow Firmware
If you're on Nougat Before then extract Nougat Firmware
Huawei UPDATE.app Extractor Software
Link - https://mega.nz/#F!JGh2QLYD!Z1OG8HtbWt1i4XvL6WOt3Q
Now Copy Recovery AND paste into ADB & Fastboot FOLDER
Now DOWNLOAD TWRP
If you're on Marshmallow Before than DOWNLOAD From this link
https://dl.twrp.me/eva/twrp-3.1.1-0-eva.img.html
If you're on Nougat Before than DOWNLOAD From this link
https://mega.nz/#!1HoVmDoa!9ifPg7yfEKfCRfbVI04Qvsbt49PAjA3MO72RoD4EPnc
Now Copy twrp AND paste into ADB & Fastboot FOLDER & Rename twrp
5. Open ADB & Fastboot FOLDER
6. HOLD Shift Key & Right Click on empty place of this FOLDER
7. Click on OPEN COMMAND WINDOW HERE
8. Type - fastboot oem unlock (UNLOCK KEY) --- Skip this step if your BOOTLOADER is UNLOCKED
Now press Enter Key
9. Type - fastboot flash recovery Recovery.img
Now press Enter Key
10. Type - fastboot flash recovery twrp.img
Now press Enter Key
11. Now HOLD Volume Up & Power Button AND Release Volume Up Button when you see Huawei Logo & Just HOLD Vol Up
12. Now flash custom rom
If you're on Marshmallow Before than DOWNLOAD From this link
https://www.androidfilehost.com/?fid=457095661767122613
If you're on Nougat Before than DOWNLOAD From this link
https://www.androidfilehost.com/?fid=889764386195922724
13. Now DOWNLOAD Stock firmware (If you ALREADY DOWLOAD it then skip this step)
14. Extract Your Firmware Copy dload FOLDER & Paste into root Directory of your Memory CARD
15. Go to twrp - wipe - swipe to factory
16. Turn off your phone
17. HOLD Volume Up & Down also Power Button until your Device boot to DOWNLOAD MODE
Now your stock firmware will be installED
Enjoy you unbrick your Huawei P9
Hit the thanks :good: button if you Happy to My Work
Note — If you didn't to use Huawei UPDATE.app extractor Software then check this link
If you didn't now how to flash a custom rom then you should learn it before flashing

Hi,
I was on B386 before (Nougat)
Flashing RR-N-v5.8.4 gives this error:
Can't install this package on top of incompatible data. Please try another package or run a factory reset.
Updater process ended with ERROR 7
Any idea ?
Thanks !
PS : This error also prevents me to install B390, B383, B182. Only B360 can be installed from TWRP.

XavierP56 said:
Hi,
I was on B386 before (Nougat)
Flashing RR-N-v5.8.4 gives this error:
Can't install this package on top of incompatible data. Please try another package or run a factory reset.
Updater process ended with ERROR 7
Any idea ?
Thanks !
PS : This error also prevents me to install B390, B383, B182. Only B360 can be installed from TWRP.
Click to expand...
Click to collapse
Try to install Lineage 14.1

problem
my p9 i do the things as you saying but it when it goes on fastboot stack on screen your devise is booting now...wont open and at adb says waiting for devise nothing else what to do ?

To get into fastboot mode you keep the phone plugged into computer and hold power and volume down until you get to the white fastboot screen.
There is no need to wait for the battery to drain as you can just force shut down a phone using power + volume down holding.

Huawei p9 EVA-L09
Hi there, i am having an issue when flashing RECOVERY or any .IMG into my phone... It is in fastboot mode And i am getting an error when flashing img file , Error : Command Not allowed ...... YES i know what ur going to say (Enable OEM unlock)or(Enable usb debugging in setting) But the problem is that I cannot boot into OS nor recovery, I am stuck on the (Your Device is unlocked and can't be trusted (1)Press power key to continue ECT..... Is there any way Beside Enabling OEM unlock method to fix this or enabling me to gain access to flash recovery or any img file without Command not allowed error ?Ive recently Installed this rom https://forum.xda-developers.com/p9/development/rom-ncs-rom-v1-1-08-16-2016-t3440269 idk if that is part of the Issue Would be Much appreciated for the help
Forgot to mention that doing the 3 buttom method to restore using DLOAD , I get stuck on the HUAWEI logo and doesnt seem to boot into the Updating state.

Follow my guide, post #7! Leave feedback and a thanks!
https://forum.xda-developers.com/showpost.php?p=74169408

phone is booting but screen doesnt turn on
the phone is booting and dload method is working but the issue is the screen is just blank after huawei logo but is not in loop as it is not booting continuosly its blank forever

nothing helps
Hi
I came here because i tried to install miui on my P9 via trwp , somehow it wasnt mountable and after searching the internet i found the solution was to change the filetype.
Sadly i forgot that this would delete my backup, which happened and the miui still wasnt mountable.
I tried your method but after a few miliseconds of the forced update it gets an error and stops.
Or lets say i tried your method while being in trwp recovery mode because otherwise no devices are being detected by adb tool.
i tried to install a p9 stock rom but i cant even mount that one, somehow nothing works.
I seriously dont know what to do anymore.

Try this...
Try to flash downgrade firmware...
Rollback Instructions
Step 1. Download the appropriate rollback firmware
Step 2. Copy the extracted dload folder to the external storage of your phone (micro sd card).
Step 4. Disconnect the USB cable and turn your phone off.
Step 5. Now hold Volume up + Volume down + Power buttons until the installation screen appears.
Step 6. When the phone restarts after completing the installation, your firmware version should now be “B300”.
Step 7. Try to find oldest marshmallow firmware and flash it using same way...

I want to android 6.0 as twrp. How ? Pls

That is only for unlocked bootloader??

Link in Step 12 for Nougat s broken

JaayTee said:
Hi there, i am having an issue when flashing RECOVERY or any .IMG into my phone... It is in fastboot mode And i am getting an error when flashing img file , Error : Command Not allowed ...... YES i know what ur going to say (Enable OEM unlock)or(Enable usb debugging in setting) But the problem is that I cannot boot into OS nor recovery, I am stuck on the (Your Device is unlocked and can't be trusted (1)Press power key to continue ECT..... Is there any way Beside Enabling OEM unlock method to fix this or enabling me to gain access to flash recovery or any img file without Command not allowed error ?Ive recently Installed this rom https://forum.xda-developers.com/p9/development/rom-ncs-rom-v1-1-08-16-2016-t3440269 idk if that is part of the Issue Would be Much appreciated for the help
Forgot to mention that doing the 3 buttom method to restore using DLOAD , I get stuck on the HUAWEI logo and doesnt seem to boot into the Updating state.
Click to expand...
Click to collapse
Same problem plzzzzzzzzzz help!!!!

I can't access anything but "your device is booting now" screen - after this phone automaticly shuts down
pls help!!!

Trying to follow the guide but cannot even get to fastboot mode.
Trying to follow the guide but cannot even get to fastboot mode.
With phone off and pressing down-vol and power, it gets straight to:
Func NO: 11 (recovery image) Error NO: 2 (load failed!)
Am i doing something wrong? Help appreciated.
Cheers

Bricked p9
Blak Rider said:
Same problem plzzzzzzzzzz help!!!!
Click to expand...
Click to collapse
JaayTee said:
Hi there, i am having an issue when flashing RECOVERY or any .IMG into my phone... It is in fastboot mode And i am getting an error when flashing img file , Error : Command Not allowed ...... YES i know what ur going to say (Enable OEM unlock)or(Enable usb debugging in setting) But the problem is that I cannot boot into OS nor recovery, I am stuck on the (Your Device is unlocked and can't be trusted (1)Press power key to continue ECT..... Is there any way Beside Enabling OEM unlock method to fix this or enabling me to gain access to flash recovery or any img file without Command not allowed error ?Ive recently Installed this rom https://forum.xda-developers.com/p9/development/rom-ncs-rom-v1-1-08-16-2016-t3440269 idk if that is part of the Issue Would be Much appreciated for the help
Forgot to mention that doing the 3 buttom method to restore using DLOAD , I get stuck on the HUAWEI logo and doesnt seem to boot into the Updating state.
Click to expand...
Click to collapse
Hello
I have exactly the same problem.
OTA with dload doesnt work - dont load ota recovery,just huawei logo loop
fastboot recovery is booted, but when I try steps in main thread I getting Error : Command Not allowed even if I try unlock the bootloader.
Do have somebody solution for it? Every idea is good. I dont want to put this phone to the trash
Thank You

mdoom said:
Hello
I have exactly the same problem.
OTA with dload doesnt work - dont load ota recovery,just huawei logo loop
fastboot recovery is booted, but when I try steps in main thread I getting Error : Command Not allowed even if I try unlock the bootloader.
Do have somebody solution for it? Every idea is good. I dont want to put this phone to the trash
Thank You
Click to expand...
Click to collapse
In Fastboot, is it FRP locked and/or Bootloader locked?

zgfg said:
In Fastboot, is it FRP locked and/or Bootloader locked?
Click to expand...
Click to collapse
both are locked.
When i try to unlock bootloader,i getting the error message.
FRP lock is not possible to unlock becouse phone dont wont start.
any chance?

mdoom2 said:
both are locked.
When i try to unlock bootloader,i getting the error message.
FRP lock is not possible to unlock becouse phone dont wont start.
any chance?
Click to expand...
Click to collapse
That's the problem, when playing with ROMs you must take carw that you keep OEM Unlocked.
Maybe DC-Unlocker (paid) can help
https://www.dc-unlocker.com/DC-Phoenix-flash-repair-tutorial

Stuck at logo/Bootloop with locked bootloader

My Redmi Note 6 Pro Global version just rebooted itself out of nowhere and now its showing MI logo and rebooting every 3-5 seconds. I didn't unlock bootloader and had MIUI 10 latest stable version installed. I can still enter fastboot mode. What can I do to fix this?

UPDATE
Over the last few days, these are the things that I've tried:
I can enter Fastboot mode and connect to my PC, but can't enter recovery mode.
I was able to unlock my bootloader (I was in the process of waiting for the 360 hours)
I tried flashing fastboot rom with MiFlash, but when MiFlash causes phone to reboot towards the end of flashing, the bootlooping problem occurs again and it cannot complete flashing.
I also tried flashing TWRP from fastboot, it says that it's successful, but when I try fastboot boot twrp.img, the same problem: MI logo and constant reboots.
I also tried to use fastboot oem edl mode and my phone is recognized as Qualcomm device, but MiFlash can't flash in this mode, saying that hello packet is not received.
At this point, I don't know what else to do and wondering if this is a hardware problem. Any ideas?

Did you tried to press VOL UP + POWER BUTTON after you flash TWRP? If flashing TWRP doesn't work Try to flash Official MIUI RECOVERY 3.0 That's all you can do. Otherwise you should give it to Mi customer service for faster solution.

I have the same problem, did you manage to solve this issue?

hello guys,
here is a solution, open your phone backpart and put your phone to edl mode by testpoint pinout,
then try to flash latest stable rom if fail then flash latest dev rom.

MI stuck at boot logo
m1s3rys1gn4l said:
hello guys,
here is a solution, open your phone backpart and put your phone to edl mode by testpoint pinout,
then try to flash latest stable rom if fail then flash latest dev rom.
Click to expand...
Click to collapse
Hello all ! same problem here !
i reinstall the last version in EDL mode every week !!
I can not handle it anymore !
sometime he match 1 day sometime 3 week ... everytime he stuck on menu and i can't reboot .
the only version i can use its 10.3.2 global ... all other version don't match !
Sorry for my english (i'm french) and thanx you for your help

hi my redmi note 6 pro is stuck on mi logo its not getting over it .
i dont have any pc or laptop at my home how can i solve this issue
during this lockdown ,and now its showing charging in shutdown mode?

Hello All i have the same problem stuck on MI logo
I have tried to wipe through Mi recovery but no use
I cant flash anything because the bootloader is locked
and i dont want to use EDL mode cuz i am stuck at home and dont have necessary tools for that
My question is can we flash anything using Fastboot command or can we ON usb debugging through fastboot be cause Mi flash wont work until USB debugging in On
Please help

Try another flash tool i.e. Qfil_flash_tool

Hi, I have even tried EDL mode to flash latest rom (android 9,miui11.0.4) using Mi flash tool,still facing the same issue.
It constantly reboots while on charging, and it doesn't turn on otherwise(2 Sec of that logo and then it fades away).
Please Help

any one find solution for this?

Hi, my problem is simpler, so is there any suggestion.
after last official update, due to the internal partition was encrypted, update wasn't finished and I am stuck on MI logo when restarted the phone.
bootloader is unlocked and I can enter to (orangefox) recovery, yet I am not sure what is the best way just to return phone to the bootable state? I presume some wiping is to be done, which is not the problem, just to have as short procedure as possible, preferably without need to re-flash clean ROM from recovery?
regards

mertcanekiz said:
I was able to unlock my bootloader (I was in the process of waiting for the 360 hours)
Click to expand...
Click to collapse
Hi, i'm in the same situation as you. How did you solve it? with the miunlock app I can't unlock it because it tells me that I have to select something on the phone first, but if the phone doesn't start I can't select anything ..

Try to remove hardware buttons from board and try

redmi 6 pro (bootloader locked)
same problem...
tried methods :
1) using mi flah tool ( error occurred : )
2) edl method (showing: device is locked)
........still stuck on miui logo .........

Redmi 6 Dead Brick ( Black Screen + Continuous Vibration Only )

i have recently flashed a wrong twrp recovery with a cmd program file in my redmi 6 that caused the phone to be dead with black screen and vibration only. i have no access to fastboot mode neither twrp recovery
i followed a method of using SPflashtools for flashing the stock rom in redmi 6 but it gives me a brom cmd error 0xC0060005 everytime i try to do it
the only thing i haven't done is to remove the battery and then accessing the fastboot mode bcz its back is fixed and it requires a professional skillset to open it that can only be done by the phone repairers
so i am looking for a solution before going to the repair center if you can help me with that i would be very grateful to you
Thanks !

Giving so few information makes it almost impossible to help you... First of all which TWRP did you flash?

I had the same Error. I opened the phone. Removed 3 screws and the schield. Then you can disconnect the Battery. When you connect the battery while pressing Volume down you will get into the fastboot mode. I only needed to flash the recovery twrp again.
Good luck.

Mar_5 said:
I had the same Error. I opened the phone. Removed 3 screws and the schield. Then you can disconnect the Battery. When you connect the battery while pressing Volume down you will get into the fastboot mode. I only needed to flash the recovery twrp again.
Good luck.
Click to expand...
Click to collapse
Does your phone have display visuals or entered in fastboot with that black screen ?

redmi6 vibration only
DesignerAQ17 said:
i have recently flashed a wrong twrp recovery with a cmd program file in my redmi 6 that caused the phone to be dead with black screen and vibration only. i have no access to fastboot mode neither twrp recovery
i followed a method of using SPflashtools for flashing the stock rom in redmi 6 but it gives me a brom cmd error 0xC0060005 everytime i try to do it
the only thing i haven't done is to remove the battery and then accessing the fastboot mode bcz its back is fixed and it requires a professional skillset to open it that can only be done by the phone repairers
so i am looking for a solution before going to the repair center if you can help me with that i would be very grateful to you
Thanks !
Click to expand...
Click to collapse
has no repair, need to change the motherboard

This just need to flash with spflashtool+mtk driver+MCT mtk+python+fastboot rom.
Don't replace emmc, your emmc is good

Because your phone still vibrate

Brom cmd error 0x0006005 = need bypass with MCT mtk, and python to solve this problem

xame problem..
for my xiaomi redmi 6

Realme C1 RMX1811 phone DEAD/BRICKED after trying to change the splash img and LOGOim

Need an urgent solution for my realme device or any. My phone got Dead or bricked after trying to change the splash img and LOGo img. I cannot go to bootloader or recovery, It just keep vibrating with a black screen I am just stucked with that I have been trying to flash but could not. When Fastboot device check it shows "????????? FASTBOOT"
Tried flashing through fastboot showing Device too many links cannot write failed..... . . . .. . . .
Kindly tell me the solution to flash . I have ozip file downloaded from the realme official site.
Thanks

Same problem to me if came out from that please tell how did u get

Just reflash stock splash.img and logo.img.
If device says ??????????? Fastboot, you can reboot device and enter Fastboot again.