GTMEDIA Forum

升级后，显示升级成功，然后机器自动重启更新，更新后，就出现如图所示的“低电警告”弹窗，这“低电警告”弹窗无法消除，然后按所有遥控器的键都没反应，我换了一个12V的电源，也一样，没升级之前就没问题，现在我想回道老版本，但是用U盘去升级，压根没法自动升级，我实在没办法了，只好上这里求助，希望版主百忙之中帮忙我一下，如何修复它？先谢了

说明一下，图片显示的无信号，其实是有信号的，我以为信号电压问题，干脆将电视信号线也拔了，也是提示这个低电警告，其实，启动之后，播放时没问题的，就是这个“低电警告”无法消除，按键没反应，就不能换台和最大化了

Just in case, try replacing the batteries in the remote, as the low battery may be from there

The USB downgrade method is place the unpacked .zip folder on the usb.
Then start the upgrade app and select the .zip folder.

Also if you can try a factory reset from the settings menu.
Remember that this will remove all your stuff, channel list, Ccam account details, BISS code etc.

Owen

Thank you,I have done it according to your method, reset factory mode can be useful