1. Firmware Upgrade Tool

(1) Click to download the firmware upgrade Driver, only applicable to computer.

https://www.radiolink.com/t8s_otg_firmwares

WinZip (design by 360, free)

If you have not WinZip Tools to decompressing upgrade files, please click to download and install the free WinZip Tool 

(2) Click to download the upgrade tool, only applicable to computer.

https://www.radiolink.com/t8s_otg_firmwares

(3) Click to download the latest firmware: 

      OTGT8S_LatestFirmware_V807.hex

    https://www.radiolink.com/t8s_otg_firmwares

Note The firmware version can be checked on the parameter setup app (SYSTEM sheet) in mobile or software in computer (PARAMETER at the bottom right). If the wrong firmware is accidentally flashed and the system of OTG T8S is crashed, please remove the cover and disconnect the battery and connect again. Then upgrade the firmware downloaded above.

2. Parameter Setup Tools（ parameters can setup by computer or android mobile phone）

① Computer

     Click to download the computer software for parameter setup

   https://www.radiolink.com/t8s_otg_apps

②  Mobile Phone (Android ONLY)

   https://www.radiolink.com/t8s_otg_apps