Obdpeak K2 Firmware Update -

Warning: A failed firmware flash can brick your K2. Do not interrupt power or unplug during the 90-second flash window.

Navigate to the "Update" or "Firmware" tab within the app. obdpeak k2 firmware update

Before starting, gather these:

Driver pack: CH340 or CP210x USB-to-serial drivers (depending on your K2 revision). Check your device’s PCB near the USB port.