Most MT6735 phones never saw an official update past Marshmallow. Custom ROMs can push these devices to Android 7.1 (Nougat), 9.0 (Pie), or even stable builds of Android 10 and 11.
If the device hangs on the logo, go back to TWRP and "Format Data" (the option that requires you to type 'yes'). Final Thoughts
Boot into TWRP. Go to Wipe > Advanced Wipe and select Dalvik, System, Cache, and Data.
However, official support for these devices ended years ago, leaving many stuck on Android 5.1 Lollipop or 6.0 Marshmallow. If your MT6735 device is gathering dust or lagging on modern apps, a is the best way to reclaim performance and security. Why Install a Custom ROM on an MT6735 Device?
Most MT6735 devices allow this via fastboot .
Originating from Brazil, ViperOS became a cult favorite for MediaTek users. It offers a very clean UI and is optimized specifically to keep the MT6735 running cool. Prerequisites: Before You Flash
Place the ROM .zip and the appropriate Google Apps (OpenGApps) on your SD Card.
The gold standard of custom ROMs. It’s known for stability and a lightweight footprint, which is crucial for the MT6735’s modest RAM (usually 1GB or 2GB). 2. Resurrection Remix
This usually means the ROM script detected a different device name. You can often fix this by editing the updater-script inside the ROM zip.