Can't upgrade mi4c. - Xiaomi Mi 4C

Hello.
So here is the story. the mi4c runs on 6.12.22 miui 8 android 5.1.1.
Boorloader unlocked and twrp 3.0.2.0 installed on the device. I want to upgrade the device to LOS 14.1 but I don't know what to do from here.
Tried updating to the new twrp 3.1.1.1 but then the device didn't boot, and when I tried to enter the recovery, the screen turned black.
Any idea what should I do?
Thank's!

123elad said:
Hello.
So here is the story. the mi4c runs on 6.12.22 miui 8 android 5.1.1.
Boorloader unlocked and twrp 3.0.2.0 installed on the device. I want to upgrade the device to LOS 14.1 but I don't know what to do from here.
Tried updating to the new twrp 3.1.1.1 but then the device didn't boot, and when I tried to enter the recovery, the screen turned black.
Any idea what should I do?
Thank's!
Click to expand...
Click to collapse
It seems your device got re-locked. Please verify it in fastboot mode with...
Code:
fastboot oem device-info
If it is locked, then check this thread for solutions... https://forum.xda-developers.com/showpost.php?p=74732305&postcount=2

Related

Honor 6X 5.0 Root Method and Custom Recovery

Hi guys, I want to root my phone and install custom recovery so that I can install custom roms .. are they available yet ?
Pls help me
Thanks in advance
-iNCEPTiON- said:
Hi guys, I want to root my phone and install custom recovery so that I can install custom roms .. are they available yet ?
Pls help me
Thanks in advance
Click to expand...
Click to collapse
Its tricky atm root, and not much in the way of stable roms I would hang fire bit longer
Sent from my BLN-L21 using Tapatalk
DoobyDroid said:
Its tricky atm root, and not much in the way of stable roms I would hang fire bit longer
Click to expand...
Click to collapse
Oh and due to honor 6x processor, nothing we can expect
Answer: How to root Honor 6x
WARNING: I AM NOT RESPONSIBLE FOR WHAT YOU DO TO YOUR DEVICE, YOU ARE THE ONE MAKING CHANGES, NOT ME.
I have rooted and flashed TWRP 3.10 on my Honor 6x BLN-24 with Android 7.0 Beta. Theres a new update 360 and 361 but when I try updating it just takes me to TWRP and gives me an error.
Downloads:
Adb & FastBoot - https://forum.xda-developers.com/showthread.php?t=2588979
Chinese Honor/Huawei program-
TWRP:https://dl.twrp.me/berlin/twrp-3.1.0-0-berlin.img.html (DOWNLOAD 3.1.0)
SuperSU:
How I did it: ( Assuming you know how to unlock your bootloader)
Plug your phone into your pc
tap build number 7 times (developer options)
enable USB debugging and Oem unlock.
(check if your device is connected) type adb devices in cmd
Get bootloader unlock code from Huawei/honor's website
Install Adb and fastboot (just press Y for all)
Use Adb to unlock bootloader with fastboot oem unlock (unlock code) in cmd
then do fastboot reboot in cmd
during reboot, device will factory reset.
setup phone quickly and turn on developer options again, this time oem unlock will be locked enabled, enable usb debugging and wait for the phone to connect to pc.
now, type adb reboot bootloader in cmd (this will bring you to fastboot/bootloader
now to flash (assuming you have twrp downloaded.) type fastboot flash recovery twrp-3.1.0-0-berlin.img in cmd
type fastboot reboot in cmd, and you're done with TWRP.
Done! With TWRP atleast. Restart your phone, download latest SuperSU, then in cmd (still plugged in your phone) type adb reboot recovery
then you are in TWRP! I hope you know how to flash SuperSU in TWRP because I'm not helping you with that.
Good Luck!
Oem unlocking has greyed out after officially updated to emui 5.0
I have officially updated to 7.0 Android i.e emui 5.0 before update i was using marshmallow that time i have unlocked bootloader as well as i have installed twrp recovery and rooted then i have got official nought updatr emui 5.0 i have updated then supersu says uh have to again root your device then i tried root but when i goes to developer option their oem unlocking option is Grey out it is unclickable
Plz help me to resolve my issue.
You must go back to Android 6, relock your Bootloader und deactivate OEM Unlock. Then update to Android 7, unlock bootloader and unlock OEM Unlock. I had the same Problem yesterday After that the OEM unlock is also grayed out but it is activated
How to relock bootloader n rollback to marshmallow
Plz Guide me.
Step by step for relocking bootloader and rolling back to marshmallow i hope uh will help mi
help
Can some one plese tell me how to root and install twrp on honor 6X 7.0 emui 5.0 please

Bootloader lock issue ..

Hello , I flash pixel experience 10 latest version. After that I need to back stock miui 11
So, I use miflash with clear and lock
Now after Finishing it boot with System destroyed...
After that I unlock bootloader it boot again .. now m on unofficial pe rom ..plz any one help 5o get miui 11 with lock bootloader....
[email protected] said:
Hello , I flash pixel experience 10 latest version. After that I need to back stock miui 11
So, I use miflash with clear and lock
Now after Finishing it boot with System destroyed...
After that I unlock bootloader it boot again .. now m on unofficial pe rom ..plz any one help 5o get miui 11 with lock bootloader....
Click to expand...
Click to collapse
Unlock again with mi bootloader unlocker
[email protected] said:
Hello , I flash pixel experience 10 latest version. After that I need to back stock miui 11
So, I use miflash with clear and lock
Now after Finishing it boot with System destroyed...
After that I unlock bootloader it boot again .. now m on unofficial pe rom ..plz any one help 5o get miui 11 with lock bootloader....
Click to expand...
Click to collapse
Unlock the bootloader, Install a Custom Recovery and then clear the partitions, once that's done flash MIUI.
Also make sure to check our the PE forum for any precautionary measures before flashing back to MIUI.
[email protected] said:
Hello , I flash pixel experience 10 latest version. After that I need to back stock miui 11
So, I use miflash with clear and lock
Now after Finishing it boot with System destroyed...
After that I unlock bootloader it boot again .. now m on unofficial pe rom ..plz any one help 5o get miui 11 with lock bootloader....
Click to expand...
Click to collapse
Did you found out any solution?
mrstarnge said:
Did you found out any solution?
Click to expand...
Click to collapse
I think unlock Bootloader again using mi unlock tool..... it unlock instantly in my case
[email protected] said:
Hello , I flash pixel experience 10 latest version. After that I need to back stock miui 11
So, I use miflash with clear and lock
Now after Finishing it boot with System destroyed...
After that I unlock bootloader it boot again .. now m on unofficial pe rom ..plz any one help 5o get miui 11 with lock bootloader....
Click to expand...
Click to collapse
Unlock the bootloader again and try to flash the Chinese stable rom if you're still having trouble..you can also try to flash the Chinese firmware..
No one can lock the BL again if u flashed PE and Hentai OS unless fastboot rom is flashed via edl. If u never installed PE and Hentai then u can lock it again.
Relock bootloader
Anyone can relock the bootloader after returning from any android 10 based rom except pixel experience and hentai os
Cuz both these two roms use another type of encryption format known as metadata encryption
But still, if you wanna relock then,
You can try a method which I m telling you
Procedure:
Flash miui 11 from custom recovery
Then flash stock recovery and vbmeta image
Then again clean flash miui11 via fastboot method with clean all and lock option enabled
Hope this method will works for you
Hi, I have reverted back from Oxygen OS ROM to MIUI 12 and locked my bootloader. Below are my steps that gave me the desired result
1. Flash miui 11 from custom recovery
2. Then flash stock recovery and vbmeta image
3. Now boot device into fastboot mode and connect to PC
4. Download and extract platform tools folder
5. Launch a powershell / CMD window in the platform tools folder by holding SHIFT+RIGHT CLICK
6. Now first run the command - "fastboot devices" to make sure device is detected
7. Now run the command - "fastboot oem lock"
That's it device will reboot and is now locked. Note that your data will be erased and you need to setup everything again
Wil this method will work for me if I flashed pixel experience rom before?
Tried all methods mentioned above still no luck stock rom has some problems like cts fail and device isn't certified in play store if you keep your bootloader unlocked . Everytime i try system gets destroyed.
Bootloader problem
try mi bootloader Unlocker tool to unlock it opens
In my case it worked
It seems like locking bootloader with custom ROMs installed bricks the device.
Fortunately you can still unlock it with the Mi bootloader unlocker.

SYSTEM HAS BEEN DESTROYED Urgent Help needed!!!!!

I was using Pixel expierence rom but then i decided to lock my bootloader again so i was flashing redmi note 7 pro through mi flash tool but was laptop got off between the process and after that i booted my phone again into bootloader mode and unlocked the bootloader and tried flashing the rom through mi flash tool but after flashing completed it boots and says "SYSTEM HAS BEEN DESTROYED"
I tried almost everything but not finding solution to solve it
if i unlock the bootloader phone boots normally but when i lock bootloader i get the SYSTEM HAS BEEN DESTROYED message
help me in Locking my bootloader with Stock Miui rom
twrp bootloader accessible
mrstarnge said:
I was using Pixel expierence rom but then i decided to lock my bootloader again so i was flashing redmi note 7 pro through mi flash tool but was laptop got off between the process and after that i booted my phone again into bootloader mode and unlocked the bootloader and tried flashing the rom through mi flash tool but after flashing completed it boots and says "SYSTEM HAS BEEN DESTROYED"
I tried almost everything but not finding solution to solve it
if i unlock the bootloader phone boots normally but when i lock bootloader i get the SYSTEM HAS BEEN DESTROYED message
help me in Locking my bootloader with Stock Miui rom
twrp bootloader accessible
Click to expand...
Click to collapse
Boot into Fastboot mode and flash MIUI using the Mi Flash tool (make sure to untick the lock bootloader sign)
Naveenthemi said:
Boot into Fastboot mode and flash MIUI using the Mi Flash tool (make sure to untick the lock bootloader sign)
Click to expand...
Click to collapse
i did that phone works fine but whats the point if i cant lock my bootloader
mrstarnge said:
I was using Pixel expierence rom but then i decided to lock my bootloader again so i was flashing redmi note 7 pro through mi flash tool but was laptop got off between the process and after that i booted my phone again into bootloader mode and unlocked the bootloader and tried flashing the rom through mi flash tool but after flashing completed it boots and says "SYSTEM HAS BEEN DESTROYED"
I tried almost everything but not finding solution to solve it
if i unlock the bootloader phone boots normally but when i lock bootloader i get the SYSTEM HAS BEEN DESTROYED message
help me in Locking my bootloader with Stock Miui rom
twrp bootloader accessible
Click to expand...
Click to collapse
I have two Redmi Note 7 Pro devices. (Global Devices - A.K.A Indian Variant)
first device is unlocked but no custom rom installed like ever
second device is unlocked with lots of custom rom history
While trying to relock my bootloader with MIFLASH (clean all and lock) and Global firmware 11.0.8
First device firmware flash worked perfectly and bootloader is set to lock state - (Widevine status is L1 )
Second device as stated in OP . Flashing success but device showing "SYSTEM HAS BEEN DESTROYED". If i unlock the bootloader of the device then it boots normally but device is in unlock state (widevine status L3)
I think some modifications might have happened to some system partitions which causes the VBMETA - SRCLIST check failure.
ANY DEVS PLEASE LOOKS INTO THIS ISSUE ...
Yeah someone out there I"m trying to relock bootloader bcoz to get access to my corporate mails , netflix HD content and GPAY
(On other hand magisk is having CTS profile check failure as google changed the approach to check the unmodified system)
mrstarnge said:
i did that phone works fine but whats the point if i cant lock my bootloader
Click to expand...
Click to collapse
If you wanna lock your bootloader then don't untick the option, use MiFlash along with lock devide option. That should give you stock ROM and a locked bootloader, but don't try this on a custom ROM.
Naveenthemi said:
If you wanna lock your bootloader then don't untick the option, use MiFlash along with lock devide option. That should give you stock ROM and a locked bootloader, but don't try this on a custom ROM.
Click to expand...
Click to collapse
Its common sense bro that i can only flash stock miui rom through miflash and i did that only with clean all and lock option but it hasnt worked yet
Naveenthemi said:
If you wanna lock your bootloader then don't untick the option, use MiFlash along with lock devide option. That should give you stock ROM and a locked bootloader, but don't try this on a custom ROM.
Click to expand...
Click to collapse
There is no harm having unlocked bootloader with miui stock you still secured and still gets all updates pushed by Xiaomi.
I recently flashed rom miui by mi flash tool and with unlocked option on and as I started from fresh got latest update 11.8.0 hope so but you do one thing uninstall the mi flash tool and reinstall it then do the same steps again you will get successful
CHETAN9 said:
There is no harm having unlocked bootloader with miui stock you still secured and still gets all updates pushed by Xiaomi.
I recently flashed rom miui by mi flash tool and with unlocked option on and as I started from fresh got latest update 11.8.0 hope so but you do one thing uninstall the mi flash tool and reinstall it then do the same steps again you will get successful
Click to expand...
Click to collapse
Yeah never said there's a problem..just that if you try it on a custom rom it will brick the device..
CHETAN9 said:
There is no harm having unlocked bootloader with miui stock you still secured and still gets all updates pushed by Xiaomi.
I recently flashed rom miui by mi flash tool and with unlocked option on and as I started from fresh got latest update 11.8.0 hope so but you do one thing uninstall the mi flash tool and reinstall it then do the same steps again you will get successful
Click to expand...
Click to collapse
I tried it 100 times not worked
I'm still searching for a way....
BuGGy said:
I'm still searching for a way....
Click to expand...
Click to collapse
I have talked to some developers and they have said its happening to everybody due to some issue by Redmi side you cant rollback from anrdoid 10 custom rom to miui 11 android 9 based you have to wait till redmi releases miui 11 based on android 10 then you can lock the bootloader or you can use edl mode
Did you find any solution to this?
mrstarnge said:
I have talked to some developers and they have said its happening to everybody due to some issue by Redmi side you cant rollback from anrdoid 10 custom rom to miui 11 android 9 based you have to wait till redmi releases miui 11 based on android 10 then you can lock the bootloader or you can use edl mode
Click to expand...
Click to collapse
Even EDL mode isn't a solution.
One of my known violet user went to service center and they failed to revive the phone even from EDL flashing. At last they changed the mobo.
Hope this gets fixed after miui 12 with android 10 comes.
P.s : i lost all my hope of relocking the bootloader & i don't think so that android 10 update from Xiaomi will fix this.
Lets hope it gets fixed
I always use the fastboot method to restore original system. Works 100% of the time. It has scripts to flash stock without lock
mrstarnge said:
I have talked to some developers and they have said its happening to everybody due to some issue by Redmi side you cant rollback from anrdoid 10 custom rom to miui 11 android 9 based you have to wait till redmi releases miui 11 based on android 10 then you can lock the bootloader or you can use edl mode
Click to expand...
Click to collapse
may be it wont work.....I've tried to flash my mobile with stock flash file and have to unlock bootloader to boot my phone but the same process for my frnd phone worked sucessfully without unlocking the bootloader......but it aint work for me......!
does this mean that if i am running a android 9 pie custom rom i can relock the bootloader
BuGGy said:
Even EDL mode isn't a solution.
One of my known violet user went to service center and they failed to revive the phone even from EDL flashing. At last they changed the mobo.
Hope this gets fixed after miui 12 with android 10 comes.
P.s : i lost all my hope of relocking the bootloader & i don't think so that android 10 update from Xiaomi will fix this.
Click to expand...
Click to collapse
Well brother I ran into the same problem "System Destroyed" but with BL Locked, there's a way to fix it
check this out :
[ Fix ] System has been destroyed [ Bootloader Locked ]
Hello Folks !! I ran into this error "system has been destroyed" when I tried to flash Stock MIUI 12 using Mi Flash with "clean all and lock" option checked, it seems if you have ever flashed a custom Rom like Pixel UI etcetera on Violet there's...
forum.xda-developers.com
Mi 7 system has been destroyed what can I do

relock bootloader but no OS help please

hello,
i did unlock the bootloader for my zenfone 7 pro
and installed twrp recovery then rooted via magisk
cuz I wanted voLTE but it didn't work for me so I wanted to be back to stock
I relock the phone using fastboot command
fastboot oem asus-lock
it did relock my phone
but there is no OS nor Recovery !
when I power my phone on the fastboot UI appears. even if I select recovery nothing changes. opens fastboot only
how to re install the firmware ? help plz
in case anyone has the same problem.
i did solve it by flashing the (raw) firmware via fastboot ( Flash_AFT method )
M-772007 said:
hello,
i did unlock the bootloader for my zenfone 7 pro
and installed twrp recovery then rooted via magisk
cuz I wanted voLTE but it didn't work for me so I wanted to be back to stock
I relock the phone using fastboot command
fastboot oem asus-lock
it did relock my phone
but there is no OS nor Recovery !
when I power my phone on the fastboot UI appears. even if I select recovery nothing changes. opens fastboot only
how to re install the firmware ? help plz
Click to expand...
Click to collapse
There are new guides on how to get volte if you want to try again.
[Guide] Easy method to Enable Volte (with root) on Tmobile and maybe other networks on Android 11 and maybe 10
So first you have to root. I used twrp and magisk. There are guides on how to do that you can find by searching around. Then once you do that, follow these directions, What I did was manually entered all of these setprop commands below, on the...
forum.xda-developers.com
This is one but there are others if you need the help.
After relock bootloader i can send phone to warranty?
I tried to relock the phone with the command "fastboot oem asus-lock", but it shows "waitting for any device" and my phone just sit there and do nothing..
Any other method to relock the Zenfone 7 pro?
M-772007 said:
hello,
i did unlock the bootloader for my zenfone 7 pro
and installed twrp recovery then rooted via magisk
cuz I wanted voLTE but it didn't work for me so I wanted to be back to stock
I relock the phone using fastboot command
fastboot oem asus-lock
it did relock my phone
but there is no OS nor Recovery !
when I power my phone on the fastboot UI appears. even if I select recovery nothing changes. opens fastboot only
how to re install the firmware ? help plz
Click to expand...
Click to collapse
I believe that relock is impossible and but to make the device recovery to installed status of stock rom keeping with unlock bootloader.
Please see my post. May make it help or not.
When I try to burn rom with TWRP, img burns but it doesn't start and zip gives an error and cannot burn.
When I first burned custom ROM (unofficial AEX), it did not start, so when I deleted the data from TWRP, it seems that I deleted things that should not be erased, so even if I burn it from the zip file, with the error message in the image below I...
forum.xda-developers.com

Can't Flash TWRP

Hi friends, I own one Asus Zenfone max pro m1 and I recently wanted it's bootloader to be unlocked and I tried the unofficial method but didn't worked. So I chose the official method. It wasn't a good experience because I was successful after several attempts. Don't know why... But after installing and unintalling and then reinstalling the unlock tool several times somehow I managed to unlock the bootloader. Now it's showing fastboot mode instead of csc fastboot so I believe it's bootloader is unlocked.
But as I tried to flash twrp using Bugjaeger app from another phone(since I think I'm having issues with usb 3.0 port on my lap) it's showing "Flashing not allowed in Lock state".
How can I be sure to know if my bootloader is unlocked or not? And whatif I flash rom directly(using adb/fastboot) without twrp with Corvos OS? Will O be stuck on a boot loop?
I finally came to solve my problem by trying to unlock the bootloader again and again by official method. And after 3 attempts it was succesfully unlocked (unlocked properly). I could flash twrp without any difficulties and Im on Abhix Rog version now..

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