Software
: Always use a high-quality, FAT32-formatted USB 2.0 drive (8GB or smaller is preferred for maximum compatibility with older bootloaders).
Flashing firmware is a powerful tool – but with power comes responsibility. One wrong character in a filename can turn a working device into an expensive paperweight.
The utility is used to create the payload for OTA updates. The new command ensures the binary has the correct headers to be validated by the device's recovery system before flashing.
Wait for the indicator light to flash or for the screen to show "Updating" or "Upgrade in progress". Then, release the button.