: You must flash a custom recovery like TWRP using the Samsung Odin tool on a PC.

Custom ROMs often remove Samsung's TouchWiz bloatware, creating a much smoother experience on the device's limited 512MB/1GB RAM.

Recent hobbyist projects on platforms like GitHub have even attempted to build LineageOS 14.1 (Android 7.1) for the SM-J110H, a feat for a device with such minimal RAM. Why These ROMs are "Exclusive"

. It aims to provide a cleaner, "stock" Android experience compared to Samsung's original TouchWiz Essence UX.

the ROM zip and compatible GApps (Google Apps) to your SD card. Boot into TWRP (Power + Home + Volume Up).

Custom ROM Research Unit Date: April 2026 For device: Samsung SM-J110H (Galaxy J1 Ace / J1 4G)

to port LineageOS 14.1 to the J1 Ace. However, user reports suggest that versions past Android 5.1.1 are often unstable or "impossible" to run reliably because of the hardware's 3G-only connectivity and aging chipset. Performance Impact : Flashing a custom ROM on this device typically helps by: Removing background bloatware which is heavy on the limited RAM. Optimizing system UI