How to flash Android 10 roms on LeEco Le2

Android 10 Flashing procedure
1. Download SAR recovery
2. Reboot to recovery
3. Flash SAR recovery zip file... it'll reboot recovery by itself
4. Wipe system/data/dalvik/cache
5. Flash 10 rom,gapps, and others but on some roms the gapps is already there
6. Reboot