Install the Rockchip USB drivers (link above).
You can access the latest firmware files and community-vetted updates here: : YT7260B Update (Google Drive) . yt7260b+update+link
: Go to Settings → Car → Factory Settings (password: 8888, 1234, or 1617) → look for "MCU version" – must start with TS7. Install the Rockchip USB drivers (link above)
, if the above link changes, follow these steps to locate the latest version: if the above link changes