Fast forward to 2026: Stock Android 5.0/5.1 Lollipop (the original OS for most MT6735 phones) is ancient. Apps crash, security is non-existent, and performance stutters. The solution?

Creating a guide for the "best" Custom ROM for the (commonly found in older devices like the LG K10, Lenovo Vibe K5 Plus, or various regional budget phones from 2015-2017) requires a realistic approach.