How to upgrade firmware
1. Identify the suitable firmware
a. If your computer works with the system of XP, please choose the firmware file with .bin at the end.
b. If your computer works with the system of WIN7,8 or 10, please choose the firmware file with .mac at the end to upgrade.
2. Download the corresponding firmware to your model from the below links
3. Connect your radio to the computer with a USB cable and power the radio on, it will appear as an extra disc on your computer
4. Click YES as the window pops out when connected to format your radio
5. Once done formatting, your radio(the extra disc) should be empty
6. Copy the latest firmware and paste it in your radio(the extra disc)
7. Once finish Step 6, disconnect your radio from the computer and repower it on
① With the firmware V6.0.3, RC4GS is capable of model battery voltage telemetry and subsidiary ID besides the dual mix control function.
② Telemetry function can ONLY be realized on RC4GS that produced AFTER Jan,1st, 2018.
③ Receiver R7FG or R8F is needed for these functions of telemetry and subsidiary ID.
Attention: If you can not download the files when clicked the mac and bin files above or below, please click the website below to download the files you need.
Please be kindly noted that the firmware V3.0.8 by factory setting is the fundamental one that can realize all basic controls. It’s NOT beacause Radiolink is selling the old version products in stock.
Factory Default Firmware:
Firmwares(Please upgrade by windows computer)
Firmware for Four Wheels Steering
Version of firmware: V_6_1_0S
Date of upgrade: 2020.11.26
Firmware designed for: RC4GS V2 & RC4GS that the mainboard signed V3.0
Upgrade Firmware Introduction：
1. This firmware is designed for the car which need four wheels steering at the same time.
With this firmware, a shortcut key enable switch turn on or turn off the four wheels steering function.
2. This function is only applicable to PMIX01, the Master Channel is default CH1 and the Slaver Channel is CH3.
3. The control switch is default SWA, press it to turn on the mix function, press it again to turn off the mix function.