Samsung Galaxy J4 (2018)
j4lteModel numbers: SM-J400F, SM-J400F/DS, SM-J400G, SM-J400G/DS, SM-J400M
Specifications
- Released
- 2018
- SoC
- Samsung Exynos 7570 Quad
- CPU
- 4 cores (arm64-v8a) — 4x 1.4 GHz Cortex-A53
- GPU
- ARM Mali-T720 MP2
- RAM
- 2 GB LPDDR3 / 3 GB LPDDR3
- Storage
- 16 GB eMMC 5.0 / 32 GB eMMC 5.0
- Display
- 5.5" 720x1280 Super AMOLED @ 60 Hz
- Battery
- 3000 mAh Li-Ion (removable)
Custom ROMs
The following custom ROM builds are available for j4lte:
| ROM | Status | Android | Link |
|---|---|---|---|
| postmarketOSLinux-based ROM (Alpine). pmOS community; Exynos 7570 downstream-kernel port (maintainer [email protected]). | Official | Download page | |
| Stock firmware (ODIN)Vendor stock firmware (last official Android 10 / One UI 2.0). Flash via Odin. | Official | Download page |
Sources
Every fact on this page was verified against these references on 2026-08-26: