Opera Mini 751 On Androidapk Link -

Opera’s versioning strategy is cumulative. Opera Mini 75.x is a legacy version. Current modern iterations have surpassed version 80.x. Because you specifically requested version 751 (interpreted as version 75.1), this report focuses on the architecture and feature set specific to that release cycle, which represents the mature "Opera Mini" native codebase before later UI overhauls.

: Offers an extensive list of previous versions if you find 7.5.1 incompatible with your specific device. opera mini 751 on androidapk link