- Please according to the hardware version of your device to find the suitable firmware version, wrong version firmware may damage your device and void the warranty.
For example, Version 4 firmware is only for Version 4 hardware, it is NOT the upgraded version for Version 1\2\3.
- Do NOT turn off the power during upgrading
- Do NOT upgrade the firmware through wireless connection
- Use decompression software such as WinZIP or WinRAR to extract the file you download before upgrading.