Fastboot is a protocol that can be used to re-flash partitions on your device. Unlike Recovery Mode, which operates on a software level, Fastboot works on a deeper level, allowing communication between your computer and your phone even before the Android operating system loads.
There are two primary ways to enter Fastboot mode on a Lenovo smartphone: via hardware keys (the standard method) or via software (if the phone is still operational). fastboot mode lenovo