Free, direct downloads of official stock firmware for the Samsung Galaxy M21 (model code SM-M215G) in the INU region. Pick a build to update, repair, or unbrick your device with the Odin tool.
Samsung Galaxy M21 (SM-M215G) — INU
Released 2020, March 23
188g, 8.9mm thickness
Android 10, up to Android 11, One UI 3.1 Core
64GB/128GB storage, microSDXC, card slot
Samsung Galaxy M21 Released 2020, March 23 | 188g, 8.9mm thickness | Android 10, up to Android 11, One UI 3.1 Core | 64GB/128GB storage, microSDXC | Super AMOLED, 420 nits (peak) | 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm
Auxiliary lens | Li-Po 6000 mAh
Samsung Galaxy M21 Network Specifications
Detailed Network specifications for the Samsung Galaxy M21:
Speed
HSPA, LTE
4G
1, 3, 5, 7, 8, 20, 38, 40, 41
3G
HSDPA 850 / 900 / 1900 / 2100
2G
GSM 850 / 900 / 1800 / 1900
Technology
GSM / HSPA / LTE
Timeline
Released2020, March 23
Samsung Galaxy M21 body Specifications
Detailed body specifications for the Samsung Galaxy M21:
SIM
· Nano-SIM
· Nano-SIM + Nano-SIM
Build
Glass front (Gorilla Glass 3), plastic back, plastic frame
Weight
188 g (6.63 oz)
Dimensions
159 x 75.1 x 8.9 mm (6.26 x 2.96 x 0.35 in)
Samsung Galaxy M21 MISC Specifications
Detailed MISC specifications for the Samsung Galaxy M21:
SAR US
0.47 W/kg (head)
Colors
Midnight Blue, Raven Black
Samsung Galaxy M21 display Specifications
Detailed display specifications for the Samsung Galaxy M21:
Protection
Corning Gorilla Glass 3
Resolution
1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
Size
6.4 inches, 100.5 cm 2 (~84.2% screen-to-body ratio)
Type
Super AMOLED, 420 nits (peak)
Samsung Galaxy M21 Sound Specifications
Detailed Sound specifications for the Samsung Galaxy M21:
3.5mm jack
Yes
Loudspeaker
Yes
Samsung Galaxy M21 Platform Specifications
Detailed Platform specifications for the Samsung Galaxy M21:
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 INU code is used in India by unbranded, with one Samsung Galaxy M21 firmware version known so far.
Samsung Galaxy M21 INU Firmware Archive
Official Samsung Galaxy M21 firmware for the India INU region, including BL, AP, CP, CSC and HOME_CSC packages for Odin flashing.
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Samsung Galaxy M21 Combination & Special Files
Combination and service files for the Samsung Galaxy M21 (SM-M215G) — authorized repair, FRP reset after service, and diagnostics.
Device Mobile
Version
Bit - SW REV
FA
Change list
Updated
Status
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INU Firmware FAQ
Which carriers use the INU CSC on the Samsung Galaxy M21?+
The INU CSC is used by unbranded in India. Flash the INU firmware only if your device was sold through one of these carriers.
How many Samsung Galaxy M21 firmware versions are available for the INU region?+
Currently one known Samsung Galaxy M21 firmware version is available for the INU (India) region.
How is the INU 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. INU is the code for India (unbranded) — flashing a different CSC can change your carrier branding, available languages and which OTA updates you receive.
Samsung Galaxy M21 (SM-M215G) — INU
INU - India
Samsung Galaxy M21 INU Firmware Archive
Samsung Galaxy M21 Combination & Special Files