Common issues like random reboots, watchdog timer false triggers, or communication timeouts are often resolved in newer firmware versions. The changelog for the NWD K2101 T3 historically includes fixes for I²C bus errors and UART buffer overflows.
The "K2101" usually refers to a generic Android head unit popular on AliExpress and Amazon. These units are typically characterized by: nwd k2101 t3 update
The update will often reset the device to factory defaults. Export your current config: Common issues like random reboots, watchdog timer false