Asus Zenfone AR ZS571KL Download Mode
How to enter download mode on Asus Zenfone AR ZS571KL ? Download mode, also known as odin mode or fastboot mode, offers many useful options like unlock bootloader, flashing firmware (Stock ROMs), installing OTA updates, flashing custom Recoveries such as CWM and TWRP, overclocking Android phones, and much more.