: Custom ROMs often give you more granular control over what data your apps can access. 3. Critical Pre-Installation Steps Flashing a ROM is a serious modification that will void your warranty and permanently disable Samsung Knox (affecting apps like Samsung Pay and Secure Folder).

If you want a ROM that just works and acts like a "normal" phone, LineageOS is the top recommendation.

Installing a Custom ROM is the best way to extend the life of this device, gaining features like Dark Mode, improved privacy, better gesture navigation, and UI customizations that Samsung's OneUI 1.x/2.x lacked.

Before proceeding, understand this and trip Samsung KNOX (Samsung Pay will stop working forever).

If you want a "daily driver" that just works, go with . If you want your phone to look and feel like a brand-new Google device, Pixel Experience is the winner.