Mt6735 Custom Rom — Best

You must install the correct MTK VCOM drivers on your Windows PC so your computer can communicate with your phone in preloader mode. Step-by-Step Installation Guide

Do not expect flagship performance. The MT6735 only supports Android builds (even though the CPU is 64-bit, the BSP is 32-bit). You are limited to 3GB of RAM physically, and heavy apps like TikTok or Instagram will lag. mt6735 custom rom best

Download your desired custom ROM ZIP file and the corresponding Google Apps (GApps) package (choose the ARM64 architecture, matching your Android version, and select the "Pico" or "Nano" variant to save system memory). Move both ZIP files to an external microSD card or your phone's internal storage. Step 2: Boot into TWRP Recovery You must install the correct MTK VCOM drivers

Provides newer Android security patches long after official manufacturer support has ended. You are limited to 3GB of RAM physically,