Free, direct downloads of official stock firmware for the Samsung Galaxy A21s (model code SM-A217N) in the SKC region. Pick a build to update, repair, or unbrick your device with the Odin tool.
Samsung Galaxy A21s (SM-A217N) — SKC
Released 2020, June 2
192g, 8.9mm thickness
Android 10, up to Android 12, One UI 4.1
32GB/64GB/128GB storage, microSDXC, card slot
Samsung Galaxy A21s Released 2020, June 02 | 192g, 8.9mm thickness | Android 10, up to Android 12, One UI 4.1 | 32GB/64GB/128GB storage, microSDXC | PLS LCD | 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, 123˚ (ultrawide), 1/4.0", 1.12µm
2 MP (macro)
Auxiliary lens | Li-Po 5000 mAh
Samsung Galaxy A21s Network Specifications
Detailed Network specifications for the Samsung Galaxy A21s:
Speed
HSPA, LTE
4G
1, 2, 3, 5, 7, 8, 20, 28, 38, 40, 41
3G
HSDPA 850 / 900 / 1900 / 2100
2G
GSM 850 / 900 / 1800 / 1900
Technology
GSM / HSPA / LTE
Timeline
Released2020, June 2
Samsung Galaxy A21s body Specifications
Detailed body specifications for the Samsung Galaxy A21s:
SIM
· Nano-SIM
· Nano-SIM + Nano-SIM
Build
Glass front, plastic frame, plastic back
Weight
192 g (6.77 oz)
Dimensions
163.7 x 75.3 x 8.9 mm (6.44 x 2.96 x 0.35 in)
Samsung Galaxy A21s MISC Specifications
Detailed MISC specifications for the Samsung Galaxy A21s:
SAR EU
0.42 W/kg (head) 1.54 W/kg (body)
Colors
Black, White, Blue, Red
Samsung Galaxy A21s display Specifications
Detailed display specifications for the Samsung Galaxy A21s:
Resolution
720 x 1600 pixels, 20:9 ratio (~270 ppi density)
Size
6.5 inches, 102.0 cm 2 (~82.8% screen-to-body ratio)
Type
PLS LCD
Samsung Galaxy A21s Sound Specifications
Detailed Sound specifications for the Samsung Galaxy A21s:
3.5mm jack
Yes
Loudspeaker
Yes
Samsung Galaxy A21s Platform Specifications
Detailed Platform specifications for the Samsung Galaxy A21s:
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 SKC code is used in South Korea by SK Telecom, with one Samsung Galaxy A21s firmware version known so far.
Samsung Galaxy A21s SKC Firmware Archive
Official Samsung Galaxy A21s firmware for the South Korea SKC region, including BL, AP, CP, CSC and HOME_CSC packages for Odin flashing.
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Samsung Galaxy A21s Combination & Special Files
Combination and service files for the Samsung Galaxy A21s (SM-A217N) — authorized repair, FRP reset after service, and diagnostics.
Device Mobile
Version
Bit - SW REV
FA
Change list
Updated
Status
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SKC Firmware FAQ
Which carriers use the SKC CSC on the Samsung Galaxy A21s?+
The SKC CSC is used by SK Telecom in South Korea. Flash the SKC firmware only if your device was sold through one of these carriers.
How many Samsung Galaxy A21s firmware versions are available for the SKC region?+
Currently one known Samsung Galaxy A21s firmware version is available for the SKC (South Korea) region.
How is the SKC 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. SKC is the code for South Korea (SK Telecom) — flashing a different CSC can change your carrier branding, available languages and which OTA updates you receive.
Samsung Galaxy A21s (SM-A217N) — SKC
SKC - South Korea
Samsung Galaxy A21s SKC Firmware Archive
Samsung Galaxy A21s Combination & Special Files