A515USQSCFXA1 – Galaxy A51 firmware
Build A515USQSCFXA1 is a security update for the Galaxy A51 (SM-A515U)
on Android 13 (One UI 5). It first appeared on Samsung's servers on Feb 5, 2024 (method) and has reached
6 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 A515USQUBFWI2 is blocked. Samsung still serves this file.
- Model
- SM-A515U
- Android
- Android 13
- Type
- Security
- Bootloader bit
- 12
- First released
- Feb 5, 2024
- Regions
- 6
Not yet released in 1 regions that are still on an older build: DSH.
Rollout timeline by region
The date each region code (CSC) first received A515USQSCFXA1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
ATT | USA (AT&T) | Feb 5, 2024 | day 0 | A515USQSCFXA1/A515UOYNCFXA1/A515USQSCFXA1 |
XAS | USA (Sprint) | Feb 11, 2024 | +6 days | A515USQSCFXA1/A515UOYNCFXA1/A515USQSCFXA1 |
TMB | USA (T-Mobile) | Feb 11, 2024 | +6 days | A515USQSCFXA1/A515UOYNCFXA1/A515USQSCFXA1 |
SPR | USA (Sprint) | Feb 11, 2024 | +6 days | A515USQSCFXA1/A515UOYNCFXA1/A515USQSCFXA1 |
VZW | USA (Verizon) | Feb 11, 2024 | +6 days | A515USQSCFXA1/A515UOYNCFXA1/A515USQSCFXA1 |
CCT | USA (Comcast) | Feb 12, 2024 | +7 days | A515USQSCFXA1/A515UOYNCFXA1/A515USQSCFXA1 |
Download and release notes
samloader download -m SM-A515U -r ATT -v A515USQSCFXA1/A515UOYNCFXA1/A515USQSCFXA1Samsung's release notes and security patch level for this update: SM-A515U / ATT on doc.samsungmobile.com. What each part of the build number means: decode A515USQSCFXA1.