: The "y171" and "custom-MoX" tags are common in the community for Vivo Y171 smartphones or similar mobile devices, often representing a custom ROM or system modification.
The "Custom" tag is a universal indicator of a "Mod" or user-created modification. "MoX" likely refers to the specific creator or the type of optimization applied (such as "Modified X" for performance or aesthetics). Marina-y171-custom-MoX-300908.rar