Update for Walkera QR-X350. Requires UP-02 update cable (full set).
Includes original firmware and latest version 4 with new battery voltage cut-off (should be same as the original). Orignal firmware for those who do not need the IOC functions and have had problems with battery cut-off. Original has less strict battery cut-off.
Please note that you have to also update the GPS EEPROM with both updates (EEPROM file included in the file)
Download update files from here 250 kb Zip file