Free, direct downloads of official stock firmware for the Samsung Galaxy A21 (model code SM-A215U) in the TMK region. Pick a build to update, repair, or unbrick your device with the Odin tool.
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 TMK code is used in United States by MetroPCS, with one Samsung Galaxy A21 firmware version known so far.
Samsung Galaxy A21 TMK Firmware Archive
Official Samsung Galaxy A21 firmware for the United States TMK region, including BL, AP, CP, CSC and HOME_CSC packages for Odin flashing.
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Samsung Galaxy A21 Combination & Special Files
Combination and service files for the Samsung Galaxy A21 (SM-A215U) — authorized repair, FRP reset after service, and diagnostics.
Device Mobile
Version
Bit - SW REV
FA
Change list
Updated
Status
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TMK Firmware FAQ
Which carriers use the TMK CSC on the Samsung Galaxy A21?+
The TMK CSC is used by MetroPCS in United States. Flash the TMK firmware only if your device was sold through one of these carriers.
How many Samsung Galaxy A21 firmware versions are available for the TMK region?+
Currently one known Samsung Galaxy A21 firmware version is available for the TMK (United States) region.
How is the TMK 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. TMK is the code for United States (MetroPCS) — flashing a different CSC can change your carrier branding, available languages and which OTA updates you receive.
Samsung Galaxy A21 (SM-A215U) — TMK
TMK - United States
Samsung Galaxy A21 TMK Firmware Archive
Samsung Galaxy A21 Combination & Special Files