⭐⭐⭐⭐ (4/5)
– Unless you want to use your device upside down! (Screen inversion bug). F.audio Fa4 Firmware UPD
Before you begin the update process:
Format your Micro SD card to FAT32 . Copy the firmware file (often labeled as VerA or VerB ) directly to the root directory of the card (not inside a folder). ⭐⭐⭐⭐ (4/5) – Unless you want to use