Samsung Galaxy J7 Duo (SM-J720M) Firmware

Samsung Galaxy J7 Duo (SM-J720M) — CHO

Released 2018, April 1

174g, 8.2mm thickness

Android 8.0, up to Android 9.0

32GB storage, microSDXC, card slot

Samsung Galaxy J7 Duo Network Specifications

Detailed Network specifications for the Samsung Galaxy J7 Duo:
Speed	HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
4G	1, 3, 5, 7, 8, 20, 38, 40, 41 - International
3G	HSDPA 850 / 900 / 1900 / 2100 - International
2G	GSM 850 / 900 / 1800 / 1900
Technology	GSM / HSPA / LTE

Timeline

Released2018, April 1

Samsung Galaxy J7 Duo body Specifications

Detailed body specifications for the Samsung Galaxy J7 Duo:
SIM	Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by)
Weight	174 g (6.14 oz)
Dimensions	153.5 x 77.2 x 8.2 mm (6.04 x 3.04 x 0.32 in)

Samsung Galaxy J7 Duo MISC Specifications

Detailed MISC specifications for the Samsung Galaxy J7 Duo:
SAR EU	0.54 W/kg (head) 1.40 W/kg (body)
Colors	Black, Gold, Rose Gold, White, Blue

Samsung Galaxy J7 Duo display Specifications

Detailed display specifications for the Samsung Galaxy J7 Duo:
Resolution	720 x 1280 pixels, 16:9 ratio (~267 ppi density)
Size	5.5 inches, 83.4 cm 2 (~70.4% screen-to-body ratio)
Type	Super AMOLED

Samsung Galaxy J7 Duo Sound Specifications

Detailed Sound specifications for the Samsung Galaxy J7 Duo:
3.5mm jack	Yes
Loudspeaker	Yes

Samsung Galaxy J7 Duo Platform Specifications

Detailed Platform specifications for the Samsung Galaxy J7 Duo:
GPU	Mali-G71
CPU	Octa-core (2x2.2 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53)
Chipset	Exynos 7885 (14 nm)
OS	Android 8.0 (Oreo), upgradable to Android 9.0 (Pie)

Samsung Galaxy J7 Duo Battery Specifications

Detailed Battery specifications for the Samsung Galaxy J7 Duo:
Battery	Li-Ion 3000 mAh, removable

Samsung Galaxy J7 Duo memory Specifications

Detailed memory specifications for the Samsung Galaxy J7 Duo:
Internal	32GB 3GB RAM, 32GB 4GB RAM
Card slot	microSDXC (dedicated slot)

Samsung Galaxy J7 Duo Main Camera Specifications

Detailed Main Camera specifications for the Samsung Galaxy J7 Duo:
Video	1080p@30fps
Features	LED flash, panorama, HDR
Camera	13 MP, f/1.9, AF Auxiliary lens

CHO Region Firmware Info

CHO - Chile

EntelWOMClaro

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 CHO code is used in Chile by Entel, WOM, Claro, with one Samsung Galaxy J7 Duo firmware version known so far.

Samsung Galaxy J7 Duo CHO Firmware Archive

Official Samsung Galaxy J7 Duo firmware for the Chile CHO region, including BL, AP, CP, CSC and HOME_CSC packages for Odin flashing.

Device Mobile	CSC	Version	Bit - SW REV	OS	Build date	Security Patch Lvl	Updated	Status

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Samsung Galaxy J7 Duo Combination & Special Files

Combination and service files for the Samsung Galaxy J7 Duo (SM-J720M) — authorized repair, FRP reset after service, and diagnostics.

Device Mobile	Version	Bit - SW REV	FA	Change list	Updated	Status

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CHO Firmware FAQ

Which carriers use the CHO CSC on the Samsung Galaxy J7 Duo?+

The CHO CSC is used by Entel, WOM, and Claro in Chile. Flash the CHO firmware only if your device was sold through one of these carriers.

How many Samsung Galaxy J7 Duo firmware versions are available for the CHO region?+

Currently one known Samsung Galaxy J7 Duo firmware version is available for the CHO (Chile) region.

How is the CHO 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. CHO is the code for Chile (Entel, WOM, and Claro) — flashing a different CSC can change your carrier branding, available languages and which OTA updates you receive.

Samsung Galaxy J7 Duo (SM-J720M) Firmware Downloads - Region: CHO

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