Steps

Check that you have a Global model

1. https://www.mi.com/global/verify/#/en/tab/imei

How to Unlock a Xiaomi

1. Download Mi Unlock
2. http://en.miui.com/unlock/download_en.html
3. https://miuirom.org/updates/mi-flash-unlock
4. Enable "Developer Options"
5. Access the main Settings of your Xiaomi device
6. Scroll down to find "About phone" and tap on it
7. Locate MIUI version and touch several times
8. Access "Developer options"
9. Return to Settings
10. Run Additional Settings and tap "Developer Options" to enable it
11. Enable options to enable Unlock
12. > In the "Developer options":
13. Scroll down to find the “USB Unlock” option and enable it
14. Scroll down to find “USB Debugging” option and enable it
15. Scroll down to find the “Auto Update” option and turn it off
16. Scroll down to find the "USB debugging (security settings)" option and enable it
17. /!\ You must have your SIM card inserted and logged in to your Mi account
18. Xiaomi Community
19. /!\ You must have had a Xiaomi account for more than 30 days
20. Install Xiaomi Community v5.4.19.apk (or later)
21. Log in with the same Xiaomi account
22. Click "Mi" in the bottom right of the app and navigate to "Set up" > "Change region to Global"
23. Go back to the "Mi" menu, you should now see the option Unlock bootloader, click on it and then press "Apply" for unlocking
24. Link your device
25. > In the "Developer options":
26. Scroll down to find the "Mi Unlock Status" entry and enter it
27. Click on the only button to enable unlocking
28. /!\ Make sure you have a Mi account, your SIM card inserted and the wifi switched off (data only)
29. Launch "Mi Unlock" software and follow the floors
30. If you get a blank page after logging in, use the QR code in the top right corner instead
31. /!\ If you have a deadline to wait, you won't have a choice...
32. Restart your phone in Bootloader mode
33. Hold the Vol- and Power buttons until you get to the page
34. After the time has elapsed, you will have the right to unlock it

How to Root a Xiaomi with Magisk

1. Download your ROM and "adb - platform tools v33.0.2" (or newer)
2. https://mifirm.net/model/zorn.ttt#global-zip-stable
3. Download and launch "Payload dumper win64"
4. https://androidfilehost.com/?fid=818070582850510260
5. A. Put payload.bin to "payload_input" folder
6. B. Run payload_dumper.exe
7. C. Get boot.img in "payload_output" folder
8. Copy boot.img and Magisk.apk (or newer) to your phone
9. /!\ Then you can see a popup entitled "Allow USB Debugging" on your phone, check the "Always allow from this computer" box and tap OK
10. Install Magisk.apk (or newer) on your phone
11. Click Install in Magisk > Patch Boot image file > Select the boot.img file > click START
12. After patching, copy magisk_patched.img to your PC
13. Restart your phone in Bootloader mode
14. Hold the Vol- and Power buttons until you get to the page
15. Open a CMD and go to the folder "adb - platform tools v33.0.2" (or newer)
16. adb devices
17. > To be sur you see your phone
18. fastboot flash boot boot_patched.img
19. /!\ If you have AB parts
20. fastboot flash boot_a boot_patched.img
21. fastboot flash boot_b boot_patched.img
22. > After installing new boot, simply reboot
23. fastboot reboot
24. Open Magisk
25. Enable Zygisk in Settings
26. Check Hide apps in Settings
27. > To hide root for banks and some games
28. Install "Play Integrity Fix v19.1"
29. https://github.com/chiteroman/PlayIntegrityFix
30. https://developer.android.com/privacy-and-security/safetynet/deprecation-timeline
31. /!\ No more "SafetyNet" since January 2024, replaced by "Play Integrity API"
32. > To be "Play Integrity API"
33. If necessary, install other modules, such as "HideNavBar"
34. > Unless you have the System -> Settings -> "Automatically Disable Navigation Buttons on Xiaomi Phone" option

How to check if you are root and Google SafetyNet

1. Download and start the tests
2. YASNAC - SafetyNet Checker
3. Root Checker
4. Play Integrity API Checker
5. If it does not pass
6. Install "Play Integrity Fix" manually
7. https://github.com/chiteroman/PlayIntegrityFix/releases
8. Reboot

How to transfer your data

1. Backing up with SMS Backup Restore
2. Backing up with Neo
3. Creating a full backup on your PC
4. Copying your full PC backup to your new phone
5. Restoring with Neo
6. Restoring with SMS Backup Restore

How to do OTAs

1. Checking A/B Partitions
2. > Install and launch "Treble Check" to see "Seamless System Update (A/B system partition)" result
3. https://play.google.com/store/apps/details?id=com.kevintresuelo.treble

OTA "A/B" Devices

1. Disable automatic installation of OTAs
2. > In "Developer options":
3. Scroll down to find "Auto Update" option and turn it off
4. Allow MIUI to download the last update
5. When an OTA is available
6. If hidden, then make visible and reboot to launch it and be sure
7. Apply OTA as you normally would
8. Settings > System > System Update
9. /!\ Wait for the installation to be fully done, do not press the “Restart now” or “Reboot” button
10. Go to Magisk app > Install > Install to Inactive Slot
11. Go back to sur la "System Update" page, then restart to finish the update

OTA "Non A/B" Devices

1. /!\ Unfortunately, there are no real good ways to apply OTAs on these devices