Radiolink AT9S update firmware tutorial for reference

Note: 1.This manual is applicable for the driver installation of RADIOLINK AT9/AT9S with the system of XP/WIN 7/WIN 8/WIN 10 2. Please close the window notice if it pops out and install automatically and install the driver manually 3. Please retry the below steps to install the driver if fail Driver installation steps: 1.Download the zip file from RADIOLINK official website http://www.radiolink.com.cn/doce/at9upgrade.html 2.Connect the computer and the radio with an android USB cable, then power on the radio 3.Double click the driver installation zadig.exe. If the radio is connected successfully with the computer, the installation Firmware upgrade steps: 1.Right click USB-util.exe and run the file as the administrator 2.Connect the computer and the radio with an android USB cable, then power on the radio, “Device connected” will pop out and click “OK” to confirm 3.Click “Choose” to select the latest firmware in the unzip file AT9S&AT9_firmware_V1.8.0 and click “download”. “Download OK” will pop out if it is done. Then disconnect the radio from the computer. Aliexpress purchase link: https://www.aliexpress.com/item/33058314074.html?spm=a2g1y.12024536.productList_299130271.subject_1 Amazon US purchase link: https://amzn.to/2KhgnGJ