On many older Spreadtrum devices, VoLTE (calling over 4G) may not work on custom ROMs. Check the "Bugs" section of your specific download.
The , a budget device from 2015, continues to see niche activity in the custom development scene. Despite its limited hardware—featuring a dual-core processor and 512 MB of RAM—developers have created custom ROMs to bypass the original Android 4.4.4 KitKat or 5.1.1 Lollipop software. Exclusive Custom ROM Options smj110h custom rom exclusive
One user, a skilled designer, created a set of exclusive wallpapers and icons for the SMJ110H Revival ROM. Another user, a software engineer, contributed to the ROM's development by fixing bugs and optimizing performance. On many older Spreadtrum devices, VoLTE (calling over