: Never use "Format All + Download" unless absolutely necessary, as this can erase your unique IMEI and calibration data (NVRAM). Use "Download Only" instead.
: Ensure the preloader_k80h_dbs_pfw_v512m.bin (or similarly named file) is selected in the "Preloader" row of the tool. preloaderk80hdbspfwv512m link
The preloader is the most dangerous partition to flash. Because it controls the initial handshake between the hardware and your PC, flashing an incompatible version of preloaderk80hdbspfwv512m : Never use "Format All + Download" unless
Here is a comprehensive guide on what this file is, the tools you need, and how to use it safely. the tools you need
smartphone firmware. This specific file is a primary bootloader component for devices powered by the
installed so your computer can talk to the phone in its low-level boot mode.