GTMedia V8 UHD Mars_Note:
1. Mars software does not support USB upgraded old UI software
2. Before the old software upgrade Mars, back up the database and data
3. Mars does not support old software channel lists
4. List of SDX program supported by Mars
5.V8UHD MARS is not allowed to introduce the V8X Mars channel list
6.It can be updated for satellite users, if the user receives other signals, do not update, wait for the next version
7.If the HD program has no sound, please try to modify Settings->System Settings->Digital Audio->RAW
GTMedia V8 UHD_ upgrade Mars:
1.To upgrade the v8uhd mars firmware from the original v8uhd firmware, you need to copy the backdoor.key and v8uhd mars firmware files to the usb root directory.
2.then enter the "upgrade by usb" menu, select the upgrade mode as 'All code', do upgrade.