Custom Rom | Sm-j110h
You may find ports of CyanogenMod 12.1 (Lollipop) or 13 (Marshmallow) on forums like XDA.
Due to low RAM and eMMC, modern ROMs are impractical. Best you can get is a debloated stock or a lightweight 5.1.1 custom ROM. Sm-j110h Custom Rom
Around 2018, a developer named J4Velocity (on XDA) dropped the most polished custom ROM for the J110H: Project Spectrum X. You may find ports of CyanogenMod 12
The result: For the first time, the J110H could run 3-4 lightweight apps without crashing. Users rejoiced. This ROM became the daily driver for hundreds of people who couldn't afford a new phone. Around 2018, a developer named J4Velocity (on XDA)

