MJSXJ10CM exposes UART pads (115200 baud).
Login credentials (if not changed):
Once connected:
mount -o remount,rw /
cat /etc/os-release # Check firmware info
The recommended method is strictly OTA (Over-The-Air). mjsxj10cm firmware
Warning: Do not manually flash firmware files found on random forums unless you are certain of the region compatibility. Flashing a "Mainland China" ROM on a "Global" device will often lock the device out of the Xiaomi Cloud servers outside of China. MJSXJ10CM exposes UART pads (115200 baud)
| Symptom | Likely fix | |-----------------------|------------------------------------| | Yellow LED steady | Bootloop – reflash recovery | | Blue LED, no network | Corrupt network config – reset via app or UART | | SD card not recognized| Reformat FAT32, 32GB max, slow format | | Can't bind to Mi Home | Firmware region mismatch (China vs global) | Once connected: mount -o remount,rw / cat /etc/os-release
The MJXJ10CM utilizes a dual-partition layout common to Xiaomi IoT devices. This ensures that if a firmware update fails, the device can (usually) roll back to the previous working state.
Typical firmware versions for this device follow the format: x.x.x_xxxx.