Tutorial to Install Custom Recovery on Infinix GT 20 Pro

Prerequisite (Requirements) :-

Platform tools guide to install
Phone with original USB Cable
Developer options and Usb debugging should be turned on
Bootloader should be unlocked guide

Flashing recovery via fastboot

• Connect your phone to your laptop with USB debugging turned on, and open ADB on laptop/PC from platform tools folder.
• Check if your device is listed in ./adb devices
  If it is listed then do ./adb reboot bootloader
• Now see if your device is listed in ./fastboot devices
• Copy vendor_boot.img file of your preferred custom recovery to Platform-tools folder.
• Run this command to flash custom recovery ./fastboot flash vendor_boot vendor_boot.img
• Do ./fastboot reboot recovery to reboot to recovery.