Samsung GALAXY J1 (USA carrier) is a samsung device (codename: sm-j100mu). FirmwareMirror hosts 7 verified firmware builds, covering: COM, DOR, PSN, EBE, ICE. Available as official firmware. Last updated: 2026. All files MD5-verified. Free, no registration.
Find and download official Stock ROM for Samsung GALAXY J1 (USA carrier) (sm-j100mu). All firmware files include MD5 hash verification and are available for direct download.
| Version | Method | Size | Release Date | MD5 Hash | Download |
|---|---|---|---|---|---|
| J100MUUBU0AOE3/J100MUDOR0AOE2/J100MUUBU0AOE1 | Odin | 851.94 MB | N/A |
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| J100MUUBU0AQB2/J100MUUUB0AQB2/J100MUUBU0AQB1 | Odin | 128.63 MB | N/A |
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| J100MUUBU0AOD1/J100MUUWA0AOD1/J100MUUBU0AOD2 | Odin | 416.4 MB | N/A |
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| J100MUUBU0APD1/J100MUPSN0APE1/J100MUUBU0APD1 | Odin | 188.83 MB | N/A |
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| J100MUUBU0APD1/J100MUTFG0APC1/J100MUUBU0APD1 | Odin | 188.83 MB | N/A |
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| J100MUUBU0APF1/J100MUICE0APF1/J100MUUBU0APF1 | Odin | 416.4 MB | N/A |
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| J100MUUBU0AQC1/J100MUANC0AQD1/J100MUUBU0AQC1 | Odin | 411.5 MB | N/A |
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Versions: Samsung J100F, J100FN, J100H, J100H/DD, J100H/DS, J100M, J100MU
Also known as Samsung Galaxy J1 Duos with dual-SIM card slots
| Network | Technology | GSM / HSPA |
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) | |
| 3G bands | HSDPA 900 / 2100 | |
| Speed | HSPA 21.1/5.76 Mbps |
| Launch | Announced | 2015, January. Released 2015, February |
|---|---|---|
| Status | Discontinued |
| Body | Dimensions | 129 x 68.2 x 8.9 mm (5.08 x 2.69 x 0.35 in) |
|---|---|---|
| Weight | 122 g (4.30 oz) | |
| Build | Glass front, plastic back, plastic frame | |
| SIM | Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by) |
| Display | Type | TFT |
|---|---|---|
| Size | 4.3 inches, 52.6 cm2 (~59.8% screen-to-body ratio) | |
| Resolution | 480 x 800 pixels, 5:3 ratio (~217 ppi density) |
| Platform | OS | Android 4.4.4 (KitKat) |
|---|---|---|
| Chipset | Spreadtrum | |
| CPU | Dual-core 1.2 GHz Cortex-A7 | |
| GPU | Mali-400 |
| Memory | Card slot | microSDXC (dedicated slot) |
|---|---|---|
| Internal | 4GB 512MB RAM |
| Main Camera | Single | 5 MP, f/2.2, 31mm (standard), AF |
|---|---|---|
| Features | LED flash | |
| Video | 720p@30fps |
| Selfie camera | Single | 2 MP |
|---|---|---|
| Video |
| Sound | Loudspeaker | Yes |
|---|---|---|
| 3.5mm jack | Yes |
| Comms | WLAN | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
|---|---|---|
| Bluetooth | 4.0, A2DP | |
| Positioning | GPS, GLONASS | |
| NFC | No | |
| Radio | FM radio, RDS, recording | |
| USB | microUSB 2.0 |
| Features | Sensors | Accelerometer, proximity |
|---|
| Battery | Type | Li-Ion 1850 mAh, removable |
|---|---|---|
| Talk time | Up to 10 h (3G) | |
| Music play | Up to 40 h |
| Misc | Colors | White, Black, Blue |
|---|---|---|
| Models | SM-J100F, SM-J100FN, SM-J100H, SM-J100H/DD, SM-J100H, SM-J100M, SM-J100MU, SM-J100ML, SM-J100VPP, SM-J100Y | |
| SAR | 0.65 W/kg (head) 0.87 W/kg (body) | |
| SAR EU | 0.57 W/kg (head) 0.77 W/kg (body) | |
| Price | About 110 EUR |
A: Yes — official firmware from the manufacturer is generally safe when you match your device's exact model number and region. Flashing the wrong region or modified firmware can cause issues.
A: Samsung GALAXY J1 (USA carrier) firmware is flashed using Odin. See the step-by-step guide above for the full procedure.
A: Some devices allow downgrading, others have anti-rollback protection that blocks it. Check the version-specific notes on each ROM page, or your model's community forum, before attempting a downgrade.
A: First, verify the firmware matches your exact model code (e.g. SM-S938B for Samsung, or the CPH-number for OPPO). Reinstall the manufacturer's USB drivers, use a rear USB 2.0 port directly on your PC, and retry. The troubleshooting box above the FAQ covers the most common failure modes.
