Dear Михаил ,
Thanks for your email.
1. Please long press save area of the radio to save the station.
2. If it can save other mode,but radio station can not. Please download the upgrade file from this link:
https://drive.google.com/file/d/0BwOAE5pUHp8hSE1UelZIdVZpc2M/view?usp=sharingInstructions:
Please write down the system information and all the data of the factory settings of your unit.
PS: The password should be 126, you can take some screenshots for saving the factory settings.
It is very important to record these data before upgrade.
1. Format a SD card to FAT32 first, then decompress the upgrade file and copy update.img file to this formatted SD card.
2. Insert the SD card to the unit's GPS SD card slot.
3. Go to Settings of the unit, choose About machine, then click System updates.
4. When the unit detects the upgrade file, please click confirm upgrade.
(Choose the Wipe data and format flash!)
Attention: Please do not cut off the power and take out the SD card during the upgrade.
It may take a long time to do the upgrade. So please be patient. And please follow the instructions strictly.
PS: Please check the factory settings are still the same or not, if not, please set them back to the original settings which you have taken the pictures to save it.
Pls have a try and tell us the result, we will help you further, thank you.
If you have any other questions, please feel free to contact us.
Customer Service Office