Database Info

[GUIDE] How To Install MIUI 10 BETA via fastboot [No TWRP]

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Here's Complete Guide To Install MIUI 10 Beta via Fastboot Mode
Things you will need :
UNLOCKED BOOTLOADER
Enabled USB Debugging [About Phone>Tap MIUI version few times until you will see dialog that you are developer.Then Go To Additional Settings>Developer Options and enable USB Debugging]
XiaoMI Flasher Tool Beta (Stable release has bug) Download
MIUI 10 Beta Version by @madsponge26 : XDA Link [Download MIUI BETA 10 8.19.13 Fastboot] (That's latest version for now. 19/09/18)
Installation:
1.Drag and Drop folder inside ROM tgz file anywhere you want.
2.Reboot your device in Fastboot Mode
3.Open MiFlash
4.Click Select button and locate your ROM folder . It should be beryllium_global_images_8.9.13_20180913.0000.00_8.1_global for now.
5.Click Refresh button and your device should appear in empty box area
6.Press Flash button and wait until it's done
7.When flashing is done device will disconnect itself and shut down. Boot Up device and complete setup
Advice : Before flashing i would strongly recommend selecting "clean all" from bottom right radio buttons or try keeping your data
If This Thread Was Helpful , Please Press Thanks Button :highfive:

Will this step wipe away all my apps and games??
Thanks..

santiagoruel13 said:
Will this step wipe away all my apps and games??
Thanks..
Click to expand...
Click to collapse
You can select it in flasher software. Bottom right corner

santiagoruel13 said:
Will this step wipe away all my apps and games??
Thanks..
Click to expand...
Click to collapse
Yes, it'll wipe everything if you follow the mentioned advice at the end of main post. It'll be as a new device. But remember to save your mi account well. or sign out before the flashing process.

Smartlock
Is somebody can say me if smartlock with bluetooth device is ok in miui 10 bêta. Because like for my redmi on my poco impossible to connect the phone with à Bluetooth device and have smartlock functional

mogamycool said:
Yes, it'll wipe everything if you follow the mentioned advice at the end of main post. It'll be as a new device. But remember to save your mi account well. or sign out before the flashing process.
Click to expand...
Click to collapse
It's okay to do it without signing out your mi account if you remember your password :b
EDIT: oh wait, you already said that lol sorry

Guys, I actually just downloaded the MIUI 10 .zip file (full rom) and used the System updater app to install it, 3 dots in top right corner, choose update package and then selected the MIUI 10 ROM.
I DIDN'T unlock my bootloader but I did enable developer options as I tend to do this religiously on all phones...
I have been getting OTA updates but funnily enough it hasn't changed the version past 810.11 though I am on Sept. 2018 security patch...
I'll note that yesterday it updated, I got the "Android has successfully updated" message in notifications but it is STILL showing 8.10.11...
A bit easier than unlocking bootloader, then using fastboot, took literally the time to download the ROM and put it on my phone.
Up to you how you wish to do this BUT, please note, I can't go back to MIUI 9 Global Stable ROM now unless I unlock my bootloader.
Oh, and this WILL format your data partition so backup...

I tried this method and gave me an error, when I tried to reboot my phone it just went to the fastboot screen and not to the device. Can anyone help me?

Can I flash miui 10 beta on a locked bootloader with stock recovery?

Unlock Bootloader Tutorial for realme X50 5G

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Supports RMX2051 only
Note: The full kernel sources are available in the link below!
https://github.com/realme-kernel-opensource/realmeX50-kernel-source
Hello Fans of realme X50 5G,
Want to unlock your bootloader? Here is the step-by-step guide you have been waiting for - but please make sure to read the disclaimer too so you will know what to expect!
Keep in mind that the process of unlocking the bootloader will be referred to as in-depth test in the tutorial.
First, please read the “Disclaimer” carefully.
【Disclaimer】
1. After unlocking your phone ALL OF YOUR DATA WILL BE ERASED! Backup before you proceed.
2. In-depth test may have unforeseeable impacts on your phone.
3. Some functions may not operate properly because of third-party firmware, such as the photo-taking function of the camera. It may also cause device damage.
4. Personal and confidential information on phone may leak, and security may be compromised.
5. In-depth test may modify some of the system functions, and prevent you from updating the system version to enjoy the latest ColorOS.
Second, read the steps below for the in-depth test
Preparation:
realme X50 5G - with 60%+ battery
1 x USB Cable
1 x PC / MacBook
Step 1. Make sure you have backed up your data, unlocking your phone will erase all of your data.
Step 2. Make sure your system version is the official and latest one.
Step 3. Download and install the unlock tool apk on your phone.
View attachment DeepTesting_realme_X50.apk
Install it to apply for the bootloader unlock via the tool.
Step 4. Follow the detailed steps below to unlock the bootloader.
#1. enable developer options
Settings > About Phone > Build Number
tap the Build Number option 7 times
#2 unlock oemlock
Settings > other settings> developer mode
#3Open unlock tool.
#4. Click “Start applying”.
#5. Please read the disclaimer in detail, select the checkbox, and submit your application.
The application will be checked by our servers.
Within approximately 1 hour, the unlock tool apk will show the status of the unlock request - if it shows the unlocking is successful, please proceed to the following step.
Download and install the fastboot tool on your PC or MacBook (check this https://www.xda-developers.com/google-releases-separate-adb-and-fastboot-binary-downloads/), use a cable to connect phone and PC. In Fastboot mode use engineering command in the picture below to unlock
- Enter the command: adb reboot bootloader
- Press “Enter”on your keyboard
- Enter the command: fastboot flashing unlock
- Press “Enter”on your keyboard
https://forum.xda-developers.com/attachment.php?attachmentid=5137189&stc=1&d=1605631133/IMG]
FAQ
Q1: How to relock the bootloader?
#1. Download the unlock tool again to apply to exit the in-depth test.
[IMG]https://forum.xda-developers.com/attachment.php?attachmentid=5137187&stc=1&d=1605631133
Q2: Are there any risks after unlocking the bootloader?
Please be aware that realme cannot guarantee the full functionality, and will not be responsible, for any third-party unsigned custom ROM being flashed onto your device after the bootloader is unlocked. An unsigned third-party custom ROM may not have gone through the thorough tests that we run for each device and software version that we release.
A third-party custom ROM may not work properly on your device, and certain functions and services may cease to work. The performance and device data may also be affected, and may damage the device permanently. In the worst case, unlocking bootloader will cause physical injuries or material damage for ex. due to device overheating.
Q3: Will it affect future OTAs after unlocking?
Secure user data partition may also become inaccessible and you will not be able to get official software upgrades if you unlock the bootloader. Once re-locked the bootloader, users will receive official OTAs again.
Q4: Will it affect warranty?
Warranty will be fully applied to problems caused by realme 3 unlocking or flashing a custom ROM.
Q5: How to flash back the official ROM after installing a custom ROM?
Users need to go to a service center to flash the device FREE of charge.

Hello there, Thank you for your detailed explanation for unlocking bootloader for Realme X50 5G.
I used to download the deeptest apk from other website, but the result was not successful. The deeptest app said "my device is not supported."
My device model is RMX2025. And my quick question is this deeptest app will support RMX2025, won't it?

siamese007 said:
Hello there, Thank you for your detailed explanation for unlocking bootloader for Realme X50 5G.
I used to download the deeptest apk from other website, but the result was not successful. The deeptest app said "my device is not supported."
My device model is RMX2025. And my quick question is this deeptest app will support RMX2025, won't it?
Click to expand...
Click to collapse
This app supports RMX2051.

I received my realme x50 5g yesterday and it was already updated.
My model is RMX2144. It is the European version right?
Will the application work on this model? Thank you!!

totmakina said:
I received my realme x50 5g yesterday and it was already updated.
My model is RMX2144. It is the European version right?
Will the application work on this model? Thank you!!
Click to expand...
Click to collapse
I am not sure about the model RMX2144. May you try it and give us the feedback?

Hello! I have version RMX 2025, the application says that the phone is not supported

Craaazy said:
Hello! I have version RMX 2025, the application says that the phone is not supported
Click to expand...
Click to collapse
That's the sad story. Right now I found no deep testing app that supports RMX2025. So hopeless for this model. :crying::crying:

I have RMX2051 but when I install the deep testing apk, it opens and then the app closes immediately. Any idea why this happens?
Notes:
- OEM unlock is enabled
- All permissions for the app are enabled and I also restarted my phone but it still crashes
- USB debugging is enabled (though this isn't relevant for opening the app)
Could it be because I'm on Android 11 and this apk only supports Android 10?
If no solution.... what is the purpose of the deeptesting application? What would happen if I just skip this step and proceed to the fastboot tool step with the PC?
.gif of trying to open it: https://ibb.co/F3ym46B

wongx said:
I have RMX2051 but when I install the deep testing apk, it opens and then the app closes immediately. Any idea why this happens?
Notes:
- OEM unlock is enabled
- All permissions for the app are enabled and I also restarted my phone but it still crashes
- USB debugging is enabled (though this isn't relevant for opening the app)
Could it be because I'm on Android 11 and this apk only supports Android 10?
If no solution.... what is the purpose of the deeptesting application? What would happen if I just skip this step and proceed to the fastboot tool step with the PC?
.gif of trying to open it: https://ibb.co/F3ym46B
Click to expand...
Click to collapse
It is possible that your deeptesting app does not support Android 11 as you assumed. If you fail to run deeptesting and unlock your phone, your fastboot commands to manipulate the system will not work. That means you cannot skip deeptesting step for unlocking purpose. Another possiblility is Realme changed their mind and canceled unlocking all models of X50 5G. So there is no possible deeptesting app available for X50 5G again.
Anyways if you do intend to unlock your RMX2051, there are a couple methods that may work:
1. Downgrade your Android 11 to Android 10 by flashing tool to flash official firmware of Android 10. Or any possible ways to do this.
2. Try factory reset and install and run deeptesting app again.
3. Search and download deeptesting app for Android 11, if this may exist.
Hope one of this works.

[LineageOS]Install LineageOS 16 on Mediapad M5 Lite

Thanks to XDA Forum,contributors, OpenKirin Team and of course Lineage Team, i managed to install LineageOS on my Mediapad M5 Lite 10.1 BAH2-W19 C431.
I would like to share my newbie experience.
3 steps :
1) Unlock bootloader
For this i follow this thread from sadiqkarur : https://forum.xda-developers.com/t/...huawei-mediapad-m5-lite-all-editions.3989111/
Which is perfect, and i especially would recommend to follow Drumiec instructions
drumiec said:
BAH2-W19 8.0.0.230 C431
Click to expand...
Click to collapse
I would just precise this :
> Step "5: Open Calculator app and type ()()2846579()()" in landscape view
> Step "Hit the Read bootloader code (=> Select on the right side menu: Unlocking > Read bootloader code) and this is what you should get:.." (additional information)
2) Flash/install LOS 16 (OpenKirin LOS 16 Rom)
Thanks to merlinolillo on this thread for link to OpenKirin possibility, and Openkirin team.
>>> Download ROM : LOS 16 Emui Openkirin ("Download" comes with gapps, for no gapps check "View Changelog")
>>> Procedure : LOS 16 Install all steps
3) Feedback and tips
As i have no LTE use , i'm not abble to test it. I find back benefits from Lineages.
Everything seems working well, i'm still testing, except :
> screen display is not clean and clear, like out of focus, blurry, fuzzy. Since i put display in black theme, display became more correct. But not really solve. > solved with display (livedisplay menu) calibration, green set at 99%.
> fast charge
> 5ghz wifi conection
Tips :
> If using headphones with jack connection sound is very low and with some reverb, just put audiofx parameter off, it should resolve.

To solve the screen display problem you have to set the display calibration at 99% at green. To do so go to settings - Display - LiveDisplay and set green at 99%. You're be able to resolve in that way.

Display out of focus > solved
Many thanks merlinolillo

Found 2 bugs,fast charge and 5ghz wifi conection..

I' ve installed succesfully Andy Yan's GSI Lineage 17.1 too (android 10). Works fine including fast charge

3 hours charging from empty to full. Seems that fastcharge not working also on my side.
merlinolillo said:
I' ve installed succesfully Andy Yan's GSI Lineage 17.1 too (android 10). Works fine including fast charge
Click to expand...
Click to collapse
Thx for your feedback.I will give a look.

[email protected] said:
3 hours charging from empty to full. Seems that fastcharge not working also on my side.
Thx for your feedback.I will give a look.
Click to expand...
Click to collapse
You have to enable it: Settings - Phh Treble Settings - Huawei features - Huawei fast charge -Mid-fast (2750mA)

merlinolillo said:
You have to enable it: Settings - Phh Treble Settings - Huawei features - Huawei fast charge -Mid-fast (2750mA)
Click to expand...
Click to collapse
Really nice but...i don't find these settings in this lineage version parameters.
May you help with a screenshot for example ? Or more details
Edit : just freshly installed AndyVan lineageos android 10 rom, with these parameters settings (and blurry), let's see if everything works. Following this thread.

Anybody have anything for huawei mediapad m5 lite 8?
Would this os work.

Hello, thanks for this simple tuto, I succeed.
However, netflix doesn't work. When launching a movie: error "There is a problem playing the vidéo. Please try again. (5.0)"
In netflix app settings, I notice that there is No codec instead of on my phone where there is VP9 and AVC-High.
Does Netflix app work on your tablet Huawei MediaPad M5 Lite (BAH2-W19) after the installation of the custom ROM?

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Hello! Thank you so much for this guide.
I have a BAH2-W19 8.0.0.371 (OCEC567)
I have unlocked Bootloader and installed TWRP.
I can't seem to find the RAMDISK for this version of the firmware. The latest available on the firmware site is not the version I have.
Does anyone have RAMDISK handy for this firmware? Or any advice on how to proceed?
Thank you kindly for all your help.

gleck0de said:
Hello! Thank you so much for this guide.
I have a BAH2-W19 8.0.0.371 (OCEC567)
I have unlocked Bootloader and installed TWRP.
I can't seem to find the RAMDISK for this version of the firmware. The latest available on the firmware site is not the version I have.
Does anyone have RAMDISK handy for this firmware? Or any advice on how to proceed?
Thank you kindly for all your help.
Click to expand...
Click to collapse
Downgrade to the latest HuaweiFirmFinder version using HISuite Proxy (make sure Old firmware is checked), you could find UPDATE.APP in update.zip in Documents\Hisuite\ROM. Extract RAMDISK.img using HuaweiUpdateExtractor for root. Then, root your device with sadiqkarur's guide and trigger system update (Download latest full package). Once it's downloaded do not reboot, you could find the latest update.zip in /data/update/HwOUC.

Quelquunmaisqui said:
Downgrade to the latest HuaweiFirmFinder version using HISuite Proxy (make sure Old firmware is checked), you could find UPDATE.APP in update.zip in Documents\Hisuite\ROM. Extract RAMDISK.img using HuaweiUpdateExtractor for root. Then, root your device with sadiqkarur's guide and trigger system update (Download latest full package). Once it's downloaded do not reboot, you could find the latest update.zip in /data/update/HwOUC.
Click to expand...
Click to collapse
Thank you so much for this information. I downloaded a FULL OTA backup from a link in this forum and was able to extract the RAMDISK.img file. This RAMDISK.img was from a different version than the stock firmware on my device, but it booted a few ROMs. Problem is, none of audio and so I have gone back to stock 8. Do you think a new RAMDISK that matches my original firmware would alleviate this problem? Have you had success to any specific roms you could recommend?
Thank you again for taking the time to respond, I appreciate it!

@
gleck0de said:
Thank you so much for this information. I downloaded a FULL OTA backup from a link in this forum and was able to extract the RAMDISK.img file. This RAMDISK.img was from a different version than the stock firmware on my device, but it booted a few ROMs. Problem is, none of audio and so I have gone back to stock 8. Do you think a new RAMDISK that matches my original firmware would alleviate this problem? Have you had success to any specific roms you could recommend?
Thank you again for taking the time to respond, I appreciate it!
Click to expand...
Click to collapse
@gleck0de
Were you able to move forward with the damn BAH2-W19 8.0.0.371 ?
any comments are welcome

Doogee N20pro TEE/Google key not write

Hello everybody,
Iam not sure if this is correct thread. (hopefuly moderators will move me it to correct one)
I have been trying to flash GSI (Havoc) rom to my Doogee N20 pro. Unfortunately something went wrong and i found myslelf in boot loop without any possibility to enter any mode with any key combination.
Only thing which helped me was (format and download) rom with SP Flash tool. Unfortunately i have not created backup before so i had to download stock rom for my device.
After flashing stock rom downloaded from internet iam stuck with annoying red message appearing on my screen:
Tee key not write Gooogle key not write.
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i have tried several methods to remove it:
Doogee N20 "TEE key not write, Google key not write" message
After trying to root this smartphone, it ended up corrupting some system files. I reinstalled stock rom and this message showed up: TEE key not write, Google key not write: Using Google i ended up at this thread here in xda...
forum.xda-developers.com
Ulefone power 3s problem
First post so I apologise if I'm posting in the wrong area. I have a rooted ulefone power 3s and having a strange overlay on my screen. It's in red and is located top right of the screen but isn't present on lock screen and when reboot is...
forum.xda-developers.com
Removing the Chinese text "未写入google key和tee key" watermark on the screen
After flashing a custom ROM, there is a watermark in the top-right of the screen saying 未写入google key和tee key I've googled it and have tried several of the solutions suggested, but none have work...
android.stackexchange.com
and pretty much everything else i could find on google and youtube but none of that helped me to ged rid of that "red overlay"
which led me in to learning about nvram, and missing IMEI.
i have managed to write back IMEI via SN Writer however i could not find over entire internet Attestation key/google key/tee key for my Doogee N20 pro:
which was part of the solution for removing Tee/Google key problem.
It supposed to be in downloaded stock rom but all i could find there was this:
1. Is here any good soul which can point me out to that key, have link, extract it from his Doogee N20pro?
2. Is here any doogee N20pro owner which can extract nvram and upload it for me somewhere?
https://romprovider.com/backup-nvram-mediatek-mt67xx/
3. if somebody have solution to simply remove TEE/Google key message from Doogee N20pro - that would be sufficient and i would not bother to try 1. and 2. However my bluetooth is not working so probably 1 and 2 would be best.
Best regards Michael
​

Hi if you are rooted and you want to also change to custom rom and get rid of that annoying google not write tee key thing and useless bloatware install:
I am in no way affiliated with pixel rom, and if you brick i will in no way be held accountable for bricked devices or any other issues
Pixel experience working on doogee y9plus release (so should work for doogee N20 release (I nlocked oem, disabled dm verity, and flashed magisk v22 zip before flashing (dont clear cache or dalvik otherwise magisk have issue, if you do you need to reflash with the gapps))
the google apps wasnt flashing for me so, if it fails (error code 64) just skip. my google stuff still worked fine for me . make sure to follow his reboot instructions . If his instructions are followed properly phone will boot in about 3-6 mins
** i was away when my did but i thought it was stuck on the first doogee(still image screen for about +- 20 to 40 seconds if it force reboots several (10+) times there is problem and you should start again )
please upvote if working for you too
[GUIDE] Flashing ROM PixelExperience-10 GSI [Android 10] [Stable]
GSI ROM: PixelExperience-10.0-20200328-GSI-ARM64-AB. Take it at Your Own Risk! It works on Android 9 and 10 stock rom INSTALLATION : Enter TWRP Recovery Select Wipe - Format Data - type "yes" and confirm Select Reboot - Power off and Enter TWRP...
forum.xda-developers.com

flairepathos.info said:
Hi if you are rooted and you want to also change to custom rom and get rid of that annoying google not write tee key thing and useless bloatware install:
I am in no way affiliated with pixel rom, and if you brick i will in no way be held accountable for bricked devices or any other issues
Pixel experience working on doogee y9plus release (so should work for doogee N20 release (I nlocked oem, disabled dm verity, and flashed magisk v22 zip before flashing (dont clear cache or dalvik otherwise magisk have issue, if you do you need to reflash with the gapps))
the google apps wasnt flashing for me so, if it fails (error code 64) just skip. my google stuff still worked fine for me . make sure to follow his reboot instructions . If his instructions are followed properly phone will boot in about 3-6 mins
** i was away when my did but i thought it was stuck on the first doogee(still image screen for about +- 20 to 40 seconds if it force reboots several (10+) times there is problem and you should start again )
please upvote if working for you too
[GUIDE] Flashing ROM PixelExperience-10 GSI [Android 10] [Stable]
GSI ROM: PixelExperience-10.0-20200328-GSI-ARM64-AB. Take it at Your Own Risk! It works on Android 9 and 10 stock rom INSTALLATION : Enter TWRP Recovery Select Wipe - Format Data - type "yes" and confirm Select Reboot - Power off and Enter TWRP...
forum.xda-developers.com
Click to expand...
Click to collapse
Hello mate, thanks for the great tip! unfortunately twrp was not developed for this model yet and unofficial guide to install twrp does not work.

CyraxMD said:
Hello mate, thanks for the great tip! unfortunately twrp was not developed for this model yet and unofficial guide to install twrp does not work.
Click to expand...
Click to collapse
I dont bilieve twrp is always specific to a device
if you have stock firmware and are willing to sacrifice your data
try the n20 version i bilieve they(doogee and other manufactures) are usually bummy about copying code then changing little bit and making it a new phone
so try this twrp
unofficial twrp 3.3.0 Root Doogee N20 - unofficial twrp
download twrp 3.3.0 Root Doogee N20, user who own Doogee N20 can root it by follwing the below Instructions
unofficialtwrp.com
try see if this one works
if it does then you have a solution to your problem and never have to woory about losing your data again
bonus if you get to start your own twrp thread for doogee n20 pro

i have tried that already as i told you in my reply and without twrp everything is pain in the ass even things like back ups are incredibly difficult and time consuming (with other tools via pc) ...i did not even managed to get those done corretly so unless there is something official and model specific it is not worthy to try as it will lead only to data loss. i have spent lot of time on this...

Hi! Did you find a solution? I restored IMEI but I still have the TEE/Google key problem.

Question downgrading android poco x3 pro

Guys, i just want to know can i downgrade my poco x3 pro from miui 13 (android 12) to lineage os 18 (android 11) via twrp. Will there any issue in flashing?

No, but you must Wipe all Data Vendor and etc.

Dezun said:
Guys, i just want to know can i downgrade my poco x3 pro from miui 13 (android 12) to lineage os 18 (android 11) via twrp. Will there any issue in flashing?
Click to expand...
Click to collapse
Yes, there is only one issue :
Your DRM L1 Keys will be lost if you downgrade from a higher version of android to a lower one ! This is for all android devices !
This is why users should think 1000000 times before jumping to a new version of android ... Sometimes new things are not welcome ! This is my case with android 12 : ugly as sh.t, cartoonish childish & miuish UI with those bubbles everywhere like a supermarioworld game ... may be other users have a different taste.
12 definitely not for me ... i stick this time with 11 : fully customizable & a mature OS !

gringo80 said:
Yes, there is only one issue :
Your DRM L1 Keys will be lost if you downgrade from a higher version of android to a lower one ! This is for all android devices !
This is why users should think 1000000 times before jumping to a new version of android ... Sometimes new things are not welcome ! This is my case with android 12 : ugly as sh.t, cartoonish childish & miuish UI with those bubbles everywhere like a supermarioworld game ... may be other users have a different taste.
12 definitely not for me ... i stick this time with 11 : fully customizable & a mature OS !
Click to expand...
Click to collapse
Thaks for reply bro. DRM key does not bother me even it goes from L1 to L3 i just wana know do i need to install lower version of miui in my poco x3 pro like (12.5) then flash with lineage os or i can directly falsh with lineageos. becoz the official website says this.
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wating for your valuable suggestion.

Dezun said:
Thaks for reply bro. DRM key does not bother me even it goes from L1 to L3 i just wana know do i need to install lower version of miui in my poco x3 pro like (12.5) then flash with lineage os or i can directly falsh with lineageos. becoz the official website says this.View attachment 5609781
wating for your valuable suggestion.
Click to expand...
Click to collapse
Since you are going to change a different OS, format data is required, loosing all personal data and apps.
Backup your data and apps manually. Do not rely on custom recoveries backup function, they can fail to restore, especially crossing Android versions. Restore data can fail even in exactly same version OS.
Whether to flash MIUI 12 or not, try and error. Your choice to go safer route or experiment route. Stable daily driver vs. toy phone to play/ experiment.
Safer route: Flash MIUI 12, format data (type yes), reboot to MIUI 12, wait for half or one hour, then flash LOS 18, format data (type yes), reboot.
Experiment route: Flash LOS, format data (type yes), reboot and see if it can be booted. Even if it can be booted, there's still risk of instability in the future.
If experiment route failed to boot, go into recovery and follow as the safer route.
Try and error.

pl1992aw said:
Since you are going to change a different OS, format data is required, loosing all personal data and apps.
Backup your data and apps manually. Do not rely on custom recoveries backup function, they can fail to restore, especially crossing Android versions. Restore data can fail even in exactly same version OS.
Whether to flash MIUI 12 or not, try and error. Your choice to go safer route or experiment route. Stable daily driver vs. toy phone to play/ experiment.
Safer route: Flash MIUI 12, format data (type yes), reboot to MIUI 12, wait for half or one hour, then flash LOS 18, format data (type yes), reboot.
Experiment route: Flash LOS, format data (type yes), reboot and see if it can be booted. Even if it can be booted, there's still risk of instability in the future.
If experiment route failed to boot, go into recovery and follow as the safer route.
Try and error.
Click to expand...
Click to collapse
thanks pal for sharing your valuable knowledge.

Dezun said:
Thaks for reply bro. DRM key does not bother me even it goes from L1 to L3 i just wana know do i need to install lower version of miui in my poco x3 pro like (12.5) then flash with lineage os or i can directly falsh with lineageos. becoz the official website says this.View attachment 5609781
wating for your valuable suggestion.
Click to expand...
Click to collapse
The steps are very simple :
. first, you likely will not be able to use your internal storage in A12 from TWRP, so use an OTG storage or a simple Micro-SD card
. download the latest firmware 12.5.9.0 for "A11" from here or here (the whole MIUI firmware is not needed)
. download the latest LOS 18.1 build for POCO X3 Pro
. +/- download my latest gapps from here
. put everything in your readable storage (up)
. flash on the fly : the firmware, followed with LOS build +/- gapps
. format now the "internal storage" (with type yes)
. reboot
Edit :
. You likely need to fix the persist partition too, if sensors are not working properly after downgrade
. Check first with this app from the Play Store : if your score is at 32, then everything is OK
. if not, flash the persist-blank-image from bellow & my MOD here since it includes also a fix for "persist" partition (rewrite all the needed folders)
As i said before, DRM L1 keys are lost forever if you downgrade (can be restored only if you upgrade to MIUI 13 S again)