Free, direct downloads of official stock firmware for the Samsung Galaxy A21 (model code SM-A215U1) in the LRA 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 LRA code is used in United States by Bluegrass Cellular, with one Samsung Galaxy A21 firmware version known so far.
Samsung Galaxy A21 LRA Firmware Archive
Official Samsung Galaxy A21 firmware for the United States LRA 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-A215U1) — authorized repair, FRP reset after service, and diagnostics.
Device Mobile
Version
Bit - SW REV
FA
Change list
Updated
Status
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LRA Firmware FAQ
Which carriers use the LRA CSC on the Samsung Galaxy A21?+
The LRA CSC is used by Bluegrass Cellular in United States. Flash the LRA firmware only if your device was sold through one of these carriers.
How many Samsung Galaxy A21 firmware versions are available for the LRA region?+
Currently one known Samsung Galaxy A21 firmware version is available for the LRA (United States) region.
How is the LRA 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. LRA is the code for United States (Bluegrass Cellular) — flashing a different CSC can change your carrier branding, available languages and which OTA updates you receive.
Samsung Galaxy A21 (SM-A215U1) — LRA
LRA - United States
Samsung Galaxy A21 LRA Firmware Archive
Samsung Galaxy A21 Combination & Special Files