Samsung Galaxy A27 5G
The latest firmware for Samsung Galaxy A27 5G (SM-A276U1) is A276U1UES3AZI3 with Android 16, released on October 6, 2026 for 18 regions (CSC). Every official firmware build for SM-A276U1, newest first: one row per build with all regions (CSC) that received it.
Each firmware build has its own page at https://samfirm.shop/build/{PDA}, where {PDA} is the build number from the list above. Example: https://samfirm.shop/build/A276U1UES3AZI3
All 4 builds in our database run Android 16. The newest build, A276U1UES3AZI3, was released on October 6, 2026 with the August 2026 security patch. That patch (SMR Aug-2026) fixes 54 vulnerabilities, 8 of them critical. Over the last 12 months SM-A276U1 received 4 builds, spread over 4 different months.
Specifications of SM-A276B, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.
• Security
The device is protected with improved security.
These changes may vary depending on the model, country, or network operator of the customer environment.
• Stability and reliability
Device behavior has been improved.
These changes may vary depending on the model, country, or network operator of the customer environment.
• Security
The device is protected with improved security.
These changes may vary depending on the model, country, or network operator of the customer environment.

SM-A276B

SM-A376W

SM-A176U

SM-A266U

SM-A175F
The newest firmware for SM-A276U1 runs Android 16: build A276U1UES3AZI3, released on October 6, 2026.
The latest build for SM-A276U1, A276U1UES3AZI3, was released on October 6, 2026 (21 days ago).
Over the last 12 months SM-A276U1 received 4 builds, with at least one new build in 4 different months.
Yes, all firmware files for SM-A276U1 are 100% official, original, and obtained directly from Samsung servers.
To flash SM-A276U1, you need to download the appropriate firmware, put your device into Download Mode, and use the Odin tool to load the BL, AP, CP, and CSC files.
Downgrading is only possible if the bootloader version (binary bit) of the old firmware matches the current one. Always check the binary version before flashing SM-A276U1.