Sometimes you may meet this problem when you adjust the clock time on the device. You can correct it by the firmware update:
- Download the firmware to your PC via the link Firmware download
- Unzip the downloaded file, you will get a file named philips.bin
Attention: Do not rename the file to avoid firmware upgrade failure.
- Copy the file into a SD card. Make sure the SD card is compatible with the device.
- Switch on the device
- Insert the SD card. The firmware upgrade will auto start.