Car Stereo - Hieha-CZ-901 Firmware

How to upgrade firmware for your car stereo?

1. Download the file to your computer and unzip the file.

2. Select all the unzip files and right click the files and press copy.

3. Click the USB drive's icon, right click and paste.

4. Plug the U drive to your car stereo.

5. Power the car stereo, Wait for a moment, The car stereo will automatically upgrade

6. The release date for the firmware is 6th May 2022.
7. Before buying, make sure there are nine holes in the rear of the car stereo.
   It's not suitable for six-hole car stereos.