If you are using a newer ASUS device (Zenfone 7, 8, 9, 10, or ROG Phone series), you typically do use ASUS Flash Tool. Instead, you place the firmware file on the root of your SD card or Internal Storage and reboot into recovery (Apply update from internal storage).

: Allows for updating or downgrading stock firmware to resolve software issues like boot loops.

When users append the phrase to their search, they are usually distancing themselves from modded, cracked, or corrupted versions of the tool that flood freeware forums. A high-quality v10011 means an authentic, digitally signed executable that won't introduce rootkits or fail mid-flash.