qFlipper — desktop application for updating Flipper Zero firmware via PC
Flipper Zero Firmware Update

Updating firmware over Bluetooth is experimental feature,
use it at your own risk!
Update via Mobile App (Beta)
  1. Install SD card in Flipper Zero
  2. Download mobile app
  3. Connect to Flipper via Bluetooth
  4. Go to Device tab and press Update
  5. Report any bugs here