1. You need to have a Xiaomi account that has been given permission for unlocking device.
2. Download MiFlash from https://www.miui.com/unlock/index.html
3. Download the crDroid ROM for Redmi Note 7 https://crdroid.net/lavender/9
4. Download firmware update from [1]
5. Download NikGapps from https://sourceforge.net/projects/nikgapps/files/Releases/NikGapps-T/. Core variant is enough.
6. Download OrangeFox recovery for Redmi Note 7 https://orangefox.download/en/device/lavender
   • crDroid version 9.8 introduce dynamic partition. We need to use OrangeFox because is the one that support dynamic partition since https://orangefox.download/release/64e67545531cf4e269b8aaa3.
7. Download Magisk from https://github.com/topjohnwu/Magisk/releases
8. Connect the phone to your laptop and open MiFlash to unlock your device following the instruction.
9. Reboot into bootloader mode
10. Execute the command to detect your device fastboot.exe devices
11. Flash OrangeFox recovery from bootloader with fastboot.exe flash recovery recovery.img
12. Reboot into recovery mode fastboot.exe reboot
13. Wipe Dalvik, cache, system, vendor from recovery
14. Copy the downloaded files to your phone in recovery mode
15. Flash firmware update from recovery
16. Flash crDroid from recovery
17. Reboot into system once and reboot again into recovery
18. Flash NikGapps from recovery
19. Boot into system
20. Install Magisk-XX.apk
21. Follow this instruction to complete Magisk installation https://topjohnwu.github.io/Magisk/install.html
22. Install F-Droid
23. Install Aurora Store from F-Droid
24. Install Gboard
25. Install Chrome from Aurora Store
26. Install 腾讯应用宝 from Chrome

Reference

1. https://xdaforums.com/t/rom-13-0-official-lavender-crdroid-v9-10-28-10-2023.4638733/
2. https://xdaforums.com/t/closed-rom-13-0-official-lavender-crdroid-v9-8-14-08-2023.4523341/
3. https://xdaforums.com/t/closed-rom-13-0-official-lavender-crdroid-v9-8-14-08-2023.4523341/page-4#post-88874307

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