A515U1UESCFXA2 – Galaxy A51 firmware
Build A515U1UESCFXA2 is a security update for the Galaxy A51 (SM-A515U1)
on Android 13 (One UI 5). It first appeared on Samsung's servers on Feb 11, 2024 (method) and has reached
14 regions so far. It raises the bootloader bit from 11 to 12: once installed, the device no longer accepts firmware with bit 11 or lower, so a downgrade to A515U1UEUBFWI3 is blocked. Samsung still serves this file.
- Model
- SM-A515U1
- Android
- Android 13
- Type
- Security
- Bootloader bit
- 12
- First released
- Feb 11, 2024
- Regions
- 14
Rollout timeline by region
The date each region code (CSC) first received A515U1UESCFXA2, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
SPR | USA (Sprint) | Feb 11, 2024 | day 0 | A515U1UESCFXA2/A515U1OYMCFXA2/A515U1UESCFXA2 |
XAS | USA (Sprint) | Feb 11, 2024 | day 0 | A515U1UESCFXA2/A515U1OYMCFXA2/A515U1UESCFXA2 |
BST | USA (Boost) | Feb 11, 2024 | day 0 | A515U1UESCFXA2/A515U1OYMCFXA2/A515U1UESCFXA2 |
XAR | USA (Cellular South) | Feb 11, 2024 | day 0 | A515U1UESCFXA2/A515U1OYMCFXA2/A515U1UESCFXA2 |
TMB | USA (T-Mobile) | Feb 11, 2024 | day 0 | A515U1UESCFXA2/A515U1OYMCFXA2/A515U1UESCFXA2 |
TMK | USA (MetroPCS) | Feb 11, 2024 | day 0 | A515U1UESCFXA2/A515U1OYMCFXA2/A515U1UESCFXA2 |
USC | USA (US Cellular) | Feb 11, 2024 | day 0 | A515U1UESCFXA2/A515U1OYMCFXA2/A515U1UESCFXA2 |
LRA | USA (Bluegrass) | Feb 11, 2024 | day 0 | A515U1UESCFXA2/A515U1OYMCFXA2/A515U1UESCFXA2 |
ATT | USA (AT&T) | Feb 11, 2024 | day 0 | A515U1UESCFXA2/A515U1OYMCFXA2/A515U1UESCFXA2 |
ACG | USA (C Spire) | Feb 11, 2024 | day 0 | A515U1UESCFXA2/A515U1OYMCFXA2/A515U1UESCFXA2 |
CCT | USA (Comcast) | Feb 11, 2024 | day 0 | A515U1UESCFXA2/A515U1OYMCFXA2/A515U1UESCFXA2 |
AIO | USA (Cricket) | Feb 11, 2024 | day 0 | A515U1UESCFXA2/A515U1OYMCFXA2/A515U1UESCFXA2 |
VZW | USA (Verizon) | Feb 11, 2024 | day 0 | A515U1UESCFXA2/A515U1OYMCFXA2/A515U1UESCFXA2 |
XAA | USA (unlocked) | Feb 11, 2024 | day 0 | A515U1UESCFXA2/A515U1OYMCFXA2/A515U1UESCFXA2 |
Download and release notes
samloader download -m SM-A515U1 -r XAA -v A515U1UESCFXA2/A515U1OYMCFXA2/A515U1UESCFXA2Samsung's release notes and security patch level for this update: SM-A515U1 / XAA on doc.samsungmobile.com. What each part of the build number means: decode A515U1UESCFXA2.