Improved pairing and stability when connecting to external speakers or headphones.
: Always back up the original NVRAM and partitions, as these boards are notorious for losing IMEI or network calibration data during updates. download link for this specific firmware, or are you trying to fix a specific issue like a white screen or GPS failure? kt20-y-multi-v2.0 update
All legacy v1.x Python scripting hooks are removed. Previously, users could write /usr/local/kt20/user_script.py to manipulate I/O. In v2.0, scripting is replaced by a JavaScript-based rule engine (Node-RED embedded) or full containerized microservices. Migration scripts are provided, but manual intervention is required for complex logic. Improved pairing and stability when connecting to external
wget https://firmware.kt20.com/kt20-y-multi-v2.0.bin.sig All legacy v1
Typical: 2–4 minutes. If longer than 10 minutes, power cycle and retry.
The v2.0 update is considered the new long-term support (LTS) baseline. The manufacturer has announced the following timeline: