Complete Tutorial & Quick Review How to custom your Xiaomi Redmi 4x (Santoni) Nusantara OS and other custom ROM.
- The video tutorial is using Nusantara OS, if you use other custom ROM just replace the Nusantara OS with other custom ROM using the same step(check the link bellow)
 - Take IMEI Backup !! Store backup on pc/sdcard (nvram, nvdata, nvcfcg for mediatek and EFS for snapdragon)
 - Support Android 10, 11, 12, 12L
 - Use Gapps According to you’r android version, is it ARM/ARM64 and Android 10/11/12/12L (check the link bellow)
 
Custom ROM for Santoni
Files
- Custom Recovery (PBRP)
 - Firmware update (select the latest one)
 - Gapps (select the latest)
 - Latest Magisk
 
Instruction
adb reboot bootloader
- flash recovery
fastboot flash recovery custom-recovery.img
 - reboot to recovery (Volume Down + Power)
 - Format data
 - reboot to recovery
 - flash custom ROM
 - reboot to recovery
 - flash gapps and magisk