A055FXXSFDZD1 – Galaxy A05 firmware
Build A055FXXSFDZD1 is a security update for the Galaxy A05 (SM-A055F)
on Android 15 (One UI 7). It first appeared on Samsung's servers on Apr 8, 2026 (method) and has reached
35 regions so far. It raises the bootloader bit from 14 to 15: once installed, the device no longer accepts firmware with bit 14 or lower, so a downgrade to A055FXXUEDZB2 is blocked. Samsung still serves this file.
- Model
- SM-A055F
- Android
- Android 15
- Type
- Security
- Bootloader bit
- 15
- First released
- Apr 8, 2026
- Regions
- 35
Rollout timeline by region
The date each region code (CSC) first received A055FXXSFDZD1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
THL | Thailand | Apr 8, 2026 | day 0 | A055FXXSFDZD1/A055FOLMFDZD1/A055FXXSFDZC6 |
XXV | Vietnam | Apr 8, 2026 | day 0 | A055FXXSFDZD1/A055FOLMFDZD1/A055FXXSFDZC6 |
ACR | Ghana | Apr 21, 2026 | +13 days | A055FXXSFDZD1/A055FOJMFDZD1/A055FXXSFDZC6 |
AFR | Africa | Apr 21, 2026 | +13 days | A055FXXSFDZD1/A055FOJMFDZD1/A055FXXSFDZC6 |
AFG | Afghanistan | Apr 21, 2026 | +13 days | A055FXXSFDZD1/A055FOJMFDZD1/A055FXXSFDZC6 |
DKR | Senegal | Apr 21, 2026 | +13 days | A055FXXSFDZD1/A055FOJMFDZD1/A055FXXSFDZC6 |
ECT | Nigeria | Apr 21, 2026 | +13 days | A055FXXSFDZD1/A055FOJMFDZD1/A055FXXSFDZC6 |
EGY | Egypt | Apr 21, 2026 | +13 days | A055FXXSFDZD1/A055FOJMFDZD1/A055FXXSFDZC6 |
KSA | Saudi Arabia | Apr 21, 2026 | +13 days | A055FXXSFDZD1/A055FOJMFDZD1/A055FXXSFDZC6 |
LYS | Libya | Apr 21, 2026 | +13 days | A055FXXSFDZD1/A055FOJMFDZD1/A055FXXSFDZC6 |
MID | Middle East | Apr 21, 2026 | +13 days | A055FXXSFDZD1/A055FOJMFDZD1/A055FXXSFDZC6 |
MWD | Morocco | Apr 21, 2026 | +13 days | A055FXXSFDZD1/A055FOJMFDZD1/A055FXXSFDZC6 |
PAK | Pakistan | Apr 21, 2026 | +13 days | A055FXXSFDZD1/A055FOJMFDZD1/A055FXXSFDZC6 |
PKD | Pakistan | Apr 21, 2026 | +13 days | A055FXXSFDZD1/A055FOJMFDZD1/A055FXXSFDZC6 |
TUN | Tunisia | Apr 21, 2026 | +13 days | A055FXXSFDZD1/A055FOJMFDZD1/A055FXXSFDZC6 |
TUR | Turkey | Apr 21, 2026 | +13 days | A055FXXSFDZD1/A055FOJMFDZD1/A055FXXSFDZC6 |
XSG | United Arab Emirates | Apr 21, 2026 | +13 days | A055FXXSFDZD1/A055FOJMFDZD1/A055FXXSFDZC6 |
BKD | Bangladesh | Apr 22, 2026 | +14 days | A055FXXSFDZD1/A055FODMFDZD1/A055FXXSFDZC6 |
INS | India | Apr 22, 2026 | +14 days | A055FXXSFDZD1/A055FODMFDZD1/A055FXXSFDZC6 |
NPB | Nepal | Apr 22, 2026 | +14 days | A055FXXSFDZD1/A055FODMFDZD1/A055FXXSFDZC6 |
SLK | Sri Lanka | Apr 22, 2026 | +14 days | A055FXXSFDZD1/A055FODMFDZD1/A055FXXSFDZC6 |
SEK | Ukraine | Apr 22, 2026 | +14 days | A055FXXSFDZD1/A055FOXMFDZD1/A055FXXSFDZC6 |
CAU | Caucasus | Apr 22, 2026 | +14 days | A055FXXSFDZD1/A055FOXMFDZD1/A055FXXSFDZC6 |
SER | Russia | Apr 22, 2026 | +14 days | A055FXXSFDZD1/A055FOXMFDZD1/A055FXXSFDZC6 |
SKZ | Kazakhstan | Apr 22, 2026 | +14 days | A055FXXSFDZD1/A055FOXMFDZD1/A055FXXSFDZC6 |
XID | Indonesia | Apr 22, 2026 | +14 days | A055FXXSFDZD1/A055FOLEFDZD1/A055FXXSFDZC6 |
GLB | Philippines (Globe) | Apr 22, 2026 | +14 days | A055FXXSFDZD1/A055FOLMFDZD1/A055FXXSFDZC6 |
MYM | Myanmar | Apr 22, 2026 | +14 days | A055FXXSFDZD1/A055FOLMFDZD1/A055FXXSFDZC6 |
XME | Malaysia | Apr 22, 2026 | +14 days | A055FXXSFDZD1/A055FOLMFDZD1/A055FXXSFDZC6 |
XNZ | New Zealand | Apr 22, 2026 | +14 days | A055FXXSFDZD1/A055FOLMFDZD1/A055FXXSFDZC6 |
XTC | Philippines | Apr 22, 2026 | +14 days | A055FXXSFDZD1/A055FOLMFDZD1/A055FXXSFDZC6 |
ILO | Israel | May 3, 2026 | +25 days | A055FXXSFDZD1/A055FOJMFDZD1/A055FXXSFDZC6 |
XFA | South Africa | May 3, 2026 | +25 days | A055FXXSFDZD1/A055FOJMFDZD1/A055FXXSFDZC6 |
XFE | South Africa | May 3, 2026 | +25 days | A055FXXSFDZD1/A055FOJMFDZD1/A055FXXSFDZC6 |
XFV | South Africa (Vodacom) | May 3, 2026 | +25 days | A055FXXSFDZD1/A055FOJMFDZD1/A055FXXSFDZC6 |
Download and release notes
samloader download -m SM-A055F -r INS -v A055FXXSFDZD1/A055FODMFDZD1/A055FXXSFDZC6Samsung's release notes and security patch level for this update: SM-A055F / INS on doc.samsungmobile.com. What each part of the build number means: decode A055FXXSFDZD1.