Based on community guides, download these files:
Realme has reportedly stopped supporting bootloader unlock through the In-Depth Testing application for older devices. As a workaround, Indian users may be able to visit a Realme service center, who can unlock the bootloader for free, provided you're on the RUI1 C.35 build. Some users outside India have reported success using third-party tools like MDM Fix Pro or Android Multi Tool, though these methods are not officially supported. realme x2 pro bootloader unlock android 11
With your phone connected in Fastboot mode, move to your computer to execute the final unlock commands. Based on community guides, download these files: Realme