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Samsung Galaxy J3 2017 (SM-J3308) official device image

Samsung Galaxy J3 2017 (SM-J3308)

Brand samsung
Codename sm-j3308
Region CHM
Official Firmware

Download Samsung Galaxy J3 2017 (SM-J3308) Firmware

Samsung Galaxy J3 2017 (SM-J3308) • Region: CHM

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Firmware Downloads

Find and download official MIUI firmware for Samsung Galaxy J3 2017 (SM-J3308) (sm-j3308). All firmware files include MD5 hash verification and are available for direct download.

Samsung Galaxy J3 2017 (SM-J3308)

Version Method Size Release Date MD5 Hash Download
J3308ZMU4CUE2/J3308CHM4CUE2/J3308ZMU4CUE2 Odin 1 B N/A
J3308ZMS4CUE1/J3308CHM4CUE1/J3308ZMS4CUE1 Odin 41 B N/A
J3308ZMS4CUD1/J3308CHM4CUD1/J3308ZMS4CUD1 Odin 40 B N/A
J3308ZMS4CTG1/J3308CHM4CTG1/J3308ZMS4CTG1 Odin 182 B N/A
J3308ZMU4CTK1/J3308CHM4CTK1/J3308ZMU4CTK1 Odin 41 B N/A
J3308ZMU3CSH6/J3308CHM3CSH6/J3308ZMU3CSH6 Odin 229 B N/A
J3308ZMU3CSK4/J3308CHM3CSK4/J3308ZMU3CSK4 Odin 203 B N/A
J3308ZMU3CSK2/J3308CHM3CSK2/J3308ZMU3CSK2 Odin 206 B N/A
J3308ZMS3CTC1/J3308CHM3CTC1/J3308ZMS3CTC1 Odin 190 B N/A

Device Specifications

ALL VERSIONS

J330F/DS

J330G/DS

AT&T

Versions: J330F/DS (Global Dual-SIM); J330G/DS (Malaysia)
Also known as Samsung Galaxy J3 Pro (2017); Samsung Galaxy J3 (2017) Duos with dual-SIM card slots

NetworkTechnologyGSM / HSPA / LTE
2G bandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 17, 38, 40
SpeedHSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
LaunchAnnounced2017, June. Released 2017, July
StatusDiscontinued
BodyDimensions143.2 x 70.3 x 8.2 mm (5.64 x 2.77 x 0.32 in)
Weight142 g (5.01 oz)
BuildGlass front, aluminum back, aluminum frame
SIM· Nano-SIM
· Nano-SIM + Nano-SIM
DisplayTypePLS
Size5.0 inches, 68.9 cm2 (~68.5% screen-to-body ratio)
Resolution720 x 1280 pixels, 16:9 ratio (~294 ppi density)
PlatformOSAndroid 7.0 (Nougat), 8.0 (Oreo), upgradable to Android 9.0 (Pie)
ChipsetExynos 7570 Quad (14 nm)
CPUQuad-core 1.4 GHz Cortex-A53
GPUMali-T720 MP2
MemoryCard slotmicroSDXC (dedicated slot)
Internal16GB 2GB RAM
 eMMC 5.0
Main CameraSingle13 MP, f/1.9, AF
FeaturesLED flash, HDR, panorama
Video1080p@30fps
Selfie cameraSingle5 MP, f/2.2
FeaturesLED flash
Video
SoundLoudspeaker Yes
3.5mm jack Yes
CommsWLANWi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth4.2, A2DP, LE
PositioningGPS, GLONASS, BDS
NFCYes (optional)
RadioFM radio
USBmicroUSB 2.0, OTG
FeaturesSensorsAccelerometer, proximity
BatteryTypeLi-Ion 2400 mAh, non-removable
Talk timeUp to 15 h (3G)
Music playUp to 61 h
MiscColorsWhite, Black, Gold, Blue
ModelsSM-J330F, J330F, J330G, SM-J330G, SM-J330FN, SM-J3308, SM-J327F, SM-S337TL, SM-J3300, SM-J330L, SM-J327U, SM-J330N
SAR EU0.66 W/kg (head)     1.32 W/kg (body)    
PriceAbout 110 EUR
Data source: GSMArena

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How to Flash Firmware

Steps to Install Firmware:

  1. Download the ROM: Choose the appropriate firmware version above for your device region
  2. Backup Your Data: All data will be erased during flashing
  3. Unlock Bootloader: Required for some devices (check device-specific requirements)
  4. Download Tools: Download MIUI Flash Tool or use ADB/Fastboot
  5. Flash the ROM: Follow the tool's instructions to flash the downloaded firmware
  6. Verify: Restart and verify successful installation

⚠️ Warning: Flashing custom ROMs may void your warranty. Proceed at your own risk.

Frequently Asked Questions

Q: Is it safe to flash official firmware?

A: Yes, flashing official firmware is generally safe and won't void your warranty if done through official methods.

Q: What's the difference between Recovery and Fastboot ROMs?

A: Recovery ROMs are flashed from recovery mode, while Fastboot ROMs require bootloader unlock and ADB tools.

Q: Can I downgrade to an older firmware version?

A: Some devices allow downgrading, but it depends on the device and region. Check device-specific forums first.

Q: What if flashing fails?

A: If flashing fails, try using the official tool, ensure USB drivers are installed, and check device compatibility.