Firmware updates for these units are usually distributed through community forums like 4PDA or shared via specialized YouTube guides . Update Type File Example Description V8.1.1_20211215.zip Full OS update; improves performance and fixes bugs. MCU Update mcu-201908281001KC1.upd
Extract the downloaded .zip content onto the root directory of your USB drive. Do not place them inside a folder. 🚗 Step 3: Installing the Update on Your Device Quad-core T3 P1 Update Download