Free, direct downloads of official stock firmware for the Samsung Galaxy J3 (2017) (model code SM-J3308) in the CHM region. Pick a build to update, repair, or unbrick your device with the Odin tool.
Samsung Galaxy J3 (2017) (SM-J3308) — CHM
Released 2017, July 1
142g, 8.2mm thickness
Android 7.0, 8.0, up to Android 9.0
16GB storage, microSDXC, card slot
Samsung Galaxy J3 (2017) Released 2017, July | 142g, 8.2mm thickness | Android 7.0, 8.0, up to Android 9.0 | 16GB storage, microSDXC | PLS | 13 MP, f/1.9, AF | Li-Ion 2400 mAh, non-removable
Samsung Galaxy J3 (2017) Network Specifications
Detailed Network specifications for the Samsung Galaxy J3 (2017):
Detailed body specifications for the Samsung Galaxy J3 (2017):
SIM
· Nano-SIM
· Nano-SIM + Nano-SIM
Build
Glass front, aluminum back, aluminum frame
Weight
142 g (5.01 oz)
Dimensions
143.2 x 70.3 x 8.2 mm (5.64 x 2.77 x 0.32 in)
Samsung Galaxy J3 (2017) MISC Specifications
Detailed MISC specifications for the Samsung Galaxy J3 (2017):
SAR EU
0.66 W/kg (head) 1.32 W/kg (body)
Colors
White, Black, Gold, Blue
Samsung Galaxy J3 (2017) display Specifications
Detailed display specifications for the Samsung Galaxy J3 (2017):
Resolution
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Size
5.0 inches, 68.9 cm 2 (~68.5% screen-to-body ratio)
Type
PLS
Samsung Galaxy J3 (2017) Sound Specifications
Detailed Sound specifications for the Samsung Galaxy J3 (2017):
3.5mm jack
Yes
Loudspeaker
Yes
Samsung Galaxy J3 (2017) Platform Specifications
Detailed Platform specifications for the Samsung Galaxy J3 (2017):
GPU
Mali-T720 MP2
CPU
Quad-core 1.4 GHz Cortex-A53
Chipset
Exynos 7570 Quad (14 nm)
OS
Android 7.0 (Nougat), 8.0 (Oreo), upgradable to Android 9.0 (Pie)
Samsung Galaxy J3 (2017) Battery Specifications
Detailed Battery specifications for the Samsung Galaxy J3 (2017):
Battery
Li-Ion 2400 mAh, non-removable
Samsung Galaxy J3 (2017) memory Specifications
Detailed memory specifications for the Samsung Galaxy J3 (2017):
Internal
16GB 2GB RAM
Card slot
microSDXC (dedicated slot)
Samsung Galaxy J3 (2017) Main Camera Specifications
Detailed Main Camera specifications for the Samsung Galaxy J3 (2017):
Video
1080p@30fps
Features
LED flash, HDR, panorama
Camera
13 MP, f/1.9, AF
CHM Region Firmware Info
CHM - China
China Mobile
A CSC (Consumer Software Customization) code ties a Samsung firmware build to the country and carrier it was released for, controlling branding, available languages and which OTA updates a device receives. The CHM code is used in China by China Mobile, with one Samsung Galaxy J3 (2017) firmware version known so far.
Samsung Galaxy J3 (2017) CHM Firmware Archive
Official Samsung Galaxy J3 (2017) firmware for the China CHM region, including BL, AP, CP, CSC and HOME_CSC packages for Odin flashing.
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Samsung Galaxy J3 (2017) Combination & Special Files
Combination and service files for the Samsung Galaxy J3 (2017) (SM-J3308) — authorized repair, FRP reset after service, and diagnostics.
Device Mobile
Version
Bit - SW REV
FA
Change list
Updated
Status
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CHM Firmware FAQ
Which carriers use the CHM CSC on the Samsung Galaxy J3 (2017)?+
The CHM CSC is used by China Mobile in China. Flash the CHM firmware only if your device was sold through one of these carriers.
How many Samsung Galaxy J3 (2017) firmware versions are available for the CHM region?+
Currently one known Samsung Galaxy J3 (2017) firmware version is available for the CHM (China) region.
How is the CHM CSC different from other region codes?+
Samsung ties every firmware build to one of roughly 599 CSC (Consumer Software Customization) codes, each tied to a specific country and carrier. CHM is the code for China (China Mobile) — flashing a different CSC can change your carrier branding, available languages and which OTA updates you receive.
Samsung Galaxy J3 (2017) (SM-J3308) — CHM
CHM - China
Samsung Galaxy J3 (2017) CHM Firmware Archive
Samsung Galaxy J3 (2017) Combination & Special Files