Many users are very concerned about the firmware upgrade for ZT-702S, hoping for the software to iterate to the next version, and today we are providing an official tutorial for this purpose.
Please note that version 1.03.30 does not support firmware upgrades. Below are the specific steps for firmware upgrade:
Step One: While the device is off, press and hold both the power button and the F1 button simultaneously.
Step Two: When the screen prompts you to connect to USB, connect the device to your computer using a USB-C cable.
Step Three: Locate the appropriate firmware folder.
Step Four: Download the latest firmware from the link provided.
https://www.dropbox.com/s/f971tv34phsw5no/ZOYI-702S-FW-V51%283%29.ZTK?dl=0
Step Five: Move the latest firmware into the firmware folder.
Step Six: The ZT-702S will display a green progress bar. Wait a few minutes, and the upgrade will be complete.
