Step 3: After unlocking successful, use MIUI ROM Flash Tool to flash the Indonesia stable ROM into your Redmi Note 8. Download and use MiFlash to locate the ROM before flashing.
The flashing process will take only several minutes. Your device will be restarted automatically when the flashing finished.
That’s all. You can enjoy the call recording feature in just three steps by following my How to enable call recording in Redmi Note 8. Let me know should you need more clarification.