NamimnoRC Flash OLED 2.4GHz “Back” Backpack Firmware

[srtbit]

Serial port WebSerial VendorID 0x1a86 ProductID 0x7523
Connecting...
ESP32
Chip is ESP32-D0WDQ6 (revision 1)
Features: Wi-Fi, BT, Dual Core, 240MHz, VRef calibration in efuse, Coding Scheme None
WARNING: Unsupported crystal in use
Crystal is 40MHz
MAC: ec:64:c9:9b:8a:14
Uploading stub...
Running stub...
Stub running...
Wrong target selected, this device uses 'ESP32-D0WDQ6 (revision 1)' and the firmware is for 'esp8285'

[pkendall64]

See https://www.expresslrs.org/quick-start/transmitters/flash2400/#flashingupdating-the-flash-oled-firmware
You have top open it up and change the position of the small switch to flash the backpack. Don't forget to change it back for normal operation.