STEP BY STEP TO INSTALL CUSTOM ROM MI A1 (TISSOT) CRDROID :
1. DOWNLOAD ROM
2. DOWNLOAD GAPPS
3. DOWNLOAD TWRP
4. BOOT TO RECOVERY
5. WIPE CACHE/DATA/SYSTEM
6. FLASH ROM
7. FLASH RECOVERY
8. AFTER FINIS REBOOT AGAIN TO RECOVERY
9. FLASH GAPPS/MAGISK(OPTIONAL)
10. REBOOT TO SYSTEM AND BOOM :)
THANKS FOR WATCHING SHARING IS CARING ^__^