Upgrade instructions (important)

Please read this chapter carefully before upgrading the EMMC!!!

• Download address of the upgrade tool (download the corresponding version according to the following table)

  • upgrade_tool
  • Android_tool

• Firmware

  • Official firmware : The Ubuntu firmware files with MBR are deprecated which are compiled from the old and not-maintain-anymore SDK. Please use the ones with GPT compiled from the new and polished SDK.
  • DIY firmware : The firmware compiled according to compiling Ubuntu firmware (GPT) is GPT firmware.

Please read the following table carefully before upgrading :