The device failed to read the boot sector of your USB drive. Try formatting with a different tool or switching from a USB 3.0 port to a USB 2.0 port.
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Or manually:
Flashing RealUnix Pro requires writing the OS image directly to your USB drive or MicroSD card. or MicroSD card into your computer. Open BalenaEtcher or Rufus. realunix pro hg680p install
The device will restart and immediately execute the boot script on your external drive. 5. Initial Setup and Post-Installation The device failed to read the boot sector of your USB drive
A USB Male-to-Male cable, required if you need to flash an unlocked bootloader or a clean Android firmware first. realunix pro hg680p install