A new COM port forces the loader to re-initialize the DAAuth handshake without referencing the previous "full" state.
Using a generic DA file often results in the flashing process getting stuck (e.g., at "DA download 100%") or failing immediately with a "Secure Boot!" error. You specifically need these custom Vivo loaders for: vivo loader daauth file full
: A secure bootloader file that allows flashing tools like SP Flash Tool to communicate with the device's internal storage. It is responsible for transferring the firmware image and ensuring a successful flash by correcting potential errors during the process. A new COM port forces the loader to
: Power off the device. While holding the Volume Up or Volume Down key, connect it to the PC via USB. vivo loader daauth file full
