Galaxy A56 5G SM-A566E firmware
The latest stable build is A566EXXUEDZJ1 (Android 17, feature update), first released on Oct 18, 2026 – 19 days ago. Samsung has published 37 stable builds for this model since Feb 18, 2025: 32 security and 5 feature updates, from Android 15 to Android 17. The current bootloader (binary) version is 14. A device on bit 14 only accepts firmware with bit 14 or higher – see downgrading and the bootloader bit.
- Latest build
A566EXXUEDZJ1- Released
- Oct 18, 2026
- Android
- Android 17
- Bootloader bit
- 14
- Regions
- 45
- Stable builds
- 37
Latest firmware by region (CSC)
Samsung builds firmware per region code (CSC). Pick the code that matches your device – it is shown under Settings › About phone › Software information › Service provider software version. Follow a code for its complete history.
| CSC | Region | Latest build | Android | Released | Builds |
|---|---|---|---|---|---|
ARO | Argentina | A566EXXSECZI2 | Android 16 | Sep 17, 2026 | 20 |
BKD | Bangladesh | A566EXXUEDZJ1 | Android 17 | Oct 21, 2026 | 21 |
BVO | Bolivia | A566EXXUEDZJ1 | Android 17 | Oct 29, 2026 | 21 |
CAU | Caucasus | A566EXXUEDZJ1 | Android 17 | Oct 18, 2026 | 21 |
CDR | Dominican Republic | A566EXXSECZI2 | Android 16 | Sep 17, 2026 | 20 |
CGU | Guatemala (Claro) | A566EXXUEDZJ1 | Android 17 | Oct 22, 2026 | 21 |
CHE | Chile (Entel) | A566EXXSECZI2 | Android 16 | Sep 24, 2026 | 20 |
CHL | Chile (Claro) | A566EXXSECZI2 | Android 16 | Sep 24, 2026 | 20 |
CHO | Chile | A566EXXSECZI2 | Android 16 | Sep 24, 2026 | 20 |
CHT | Chile (Movistar) | A566EXXSECZI2 | Android 16 | Sep 24, 2026 | 20 |
COB | Colombia (Movistar) | A566EXXSECZI2 | Android 16 | Sep 17, 2026 | 20 |
COL | Colombia | A566EXXSECZI2 | Android 16 | Sep 17, 2026 | 20 |
COM | Colombia (Claro) | A566EXXSECZI2 | Android 16 | Sep 17, 2026 | 20 |
COO | Colombia | A566EXXSECZI2 | Android 16 | Sep 17, 2026 | 20 |
CRC | Costa Rica | A566EXXUEDZJ1 | Android 17 | Nov 5, 2026 | 21 |
CTI | Argentina (Claro) | A566EXXSECZI2 | Android 16 | Sep 17, 2026 | 20 |
DOR | Dominican Republic | A566EXXUEDZJ1 | Android 17 | Nov 5, 2026 | 21 |
EBE | Ecuador | A566EXXSECZI2 | Android 16 | Sep 17, 2026 | 20 |
ECO | Ecuador | A566EXXSECZI2 | Android 16 | Sep 17, 2026 | 20 |
GLO | Nigeria (Glo) | A566EXXUEDZJ1 | Android 17 | Nov 5, 2026 | 21 |
GTO | Guatemala | A566EXXUEDZJ1 | Android 17 | Oct 19, 2026 | 21 |
INS | India | A566EXXUEDZJ1 | Android 17 | Oct 21, 2026 | 23 |
IUS | Mexico (AT&T) | A566EXXUEDZJ1 | Android 17 | Oct 28, 2026 | 21 |
MXO | Mexico | A566EXXUEDZJ1 | Android 17 | Oct 28, 2026 | 21 |
NPB | Nepal | A566EXXUEDZJ1 | Android 17 | Oct 21, 2026 | 21 |
PEO | Peru | A566EXXSECZI2 | Android 16 | Sep 17, 2026 | 20 |
PET | Peru (Movistar) | A566EXXSECZI2 | Android 16 | Sep 17, 2026 | 20 |
PGU | Guatemala | A566EXXUEDZJ1 | Android 17 | Nov 5, 2026 | 21 |
PNT | Panama | A566EXXSECZI2 | Android 16 | Sep 17, 2026 | 20 |
PSN | Argentina (Personal) | A566EXXSECZI2 | Android 16 | Sep 17, 2026 | 20 |
SAM | Oceania | A566EXXSECZI2 | Android 16 | Sep 17, 2026 | 20 |
SER | Russia | A566EXXUEDZJ1 | Android 17 | Oct 18, 2026 | 21 |
SKZ | Kazakhstan | A566EXXUEDZJ1 | Android 17 | Oct 18, 2026 | 21 |
SLK | Sri Lanka | A566EXXUEDZJ1 | Android 17 | Oct 21, 2026 | 21 |
TCE | Mexico (Telcel) | A566EXXUEDZJ1 | Android 17 | Oct 28, 2026 | 21 |
TGP | Paraguay | A566EXXSECZI2 | Android 16 | Sep 17, 2026 | 20 |
TMM | Myanmar | A566EXXUEDZJ1 | Android 17 | Oct 28, 2026 | 21 |
TPA | Panama | A566EXXUEDZJ1 | Android 17 | Oct 29, 2026 | 21 |
UFN | Argentina (Movistar) | A566EXXSECZI2 | Android 16 | Sep 17, 2026 | 20 |
UPO | Uruguay | A566EXXSECZI2 | Android 16 | Sep 17, 2026 | 20 |
UYO | Uruguay | A566EXXSECZI2 | Android 16 | Sep 17, 2026 | 20 |
ZTA | Brazil (Claro) | A566EXXUEDZJ1 | Android 17 | Oct 22, 2026 | 21 |
ZTM | Brazil (TIM) | A566EXXUEDZJ1 | Android 17 | Oct 22, 2026 | 21 |
ZTO | Brazil | A566EXXUEDZJ1 | Android 17 | Oct 22, 2026 | 21 |
ZVV | Brazil (Vivo) | A566EXXUEDZJ1 | Android 17 | Oct 22, 2026 | 21 |
Firmware history (37 builds)
Every stable build (PDA version) Samsung has published for the SM-A566E, newest first. “” is the earliest date the build appeared on Samsung's servers in any region. “” means Samsung no longer serves the file for that build.
| Build (PDA) | Released | Android | Type | Bit | Regions | File |
|---|---|---|---|---|---|---|
A566EXXUEDZJ1 | Oct 18, 2026 | Android 17 | Feature | 14 | 23 | on server |
A566EXXSECZI3 | Sep 16, 2026 | Android 16 | Security | 14 | 4 | on server |
A566EXXSECZI2 | Sep 15, 2026 | Android 16 | Security | 14 | 41 | on server |
A566EXXSDCZHB | Sep 6, 2026 | Android 16 | Security | 13 | 41 | on server |
A566EXXSDCZHC | Sep 2, 2026 | Android 16 | Security | 13 | 4 | on server |
A566EXXSCCZG7 | Jul 26, 2026 | Android 16 | Security | 12 | 4 | on server |
A566EXXSCCZG6 | Jul 14, 2026 | Android 16 | Security | 12 | 41 | on server |
A566EXXSBCZF6 | Jun 25, 2026 | Android 16 | Security | 11 | 4 | on server |
A566EXXSBCZF5 | Jun 22, 2026 | Android 16 | Security | 11 | 41 | on server |
A566EXXSACZE3 | May 28, 2026 | Android 16 | Security | 10 | 4 | on server |
A566EXXSACZE2 | May 27, 2026 | Android 16 | Security | 10 | 41 | on server |
A566EXXUACZDR | May 20, 2026 | Android 16 | Feature | 10 | 45 | on server |
A566EXXSABZD3 | Apr 22, 2026 | Android 16 | Security | 10 | 4 | on server |
A566EXXSABZD1 | Apr 20, 2026 | Android 16 | Security | 10 | 41 | on server |
A566EXXS9BZC4 | Mar 30, 2026 | Android 16 | Security | 9 | 41 | on server |
A566EXXS9BZC6 | Mar 29, 2026 | Android 16 | Security | 9 | 4 | on server |
A566EXXS9BZB8 | Mar 5, 2026 | Android 16 | Security | 9 | 4 | on server |
A566EXXS9BZB6 | Mar 1, 2026 | Android 16 | Security | 9 | 41 | on server |
A566EXXS8BZA2 | Jan 27, 2026 | Android 16 | Security | 8 | 4 | on server |
A566EXXS8BZA1 | Jan 26, 2026 | Android 16 | Security | 8 | 41 | on server |
A566EXXS7BYL3 | Dec 16, 2025 | Android 16 | Security | 7 | 41 | on server |
A566EXXS7BYL4 | Dec 16, 2025 | Android 16 | Security | 7 | 4 | on server |
A566EXXS7BYK4 | Nov 24, 2025 | Android 16 | Security | 7 | 4 | on server |
A566EXXS7BYK3 | Nov 19, 2025 | Android 16 | Security | 7 | 41 | on server |
A566EXXS6BYJ5 | Oct 30, 2025 | Android 16 | Security | 6 | 4 | on server |
A566EXXS6BYJ4 | Oct 26, 2025 | Android 16 | Security | 6 | 41 | on server |
A566EXXU6BYI6 | Sep 28, 2025 | Android 16 | Feature | 6 | 45 | on server |
A566EXXS6AYGF | Aug 12, 2025 | Android 15 | Security | 6 | 4 | on server |
A566EXXS6AYGE | Aug 10, 2025 | Android 15 | Security | 6 | 41 | on server |
A566EXXS5AYFB | Jul 17, 2025 | Android 15 | Security | 5 | 4 | on server |
A566EXXS5AYFA | Jul 14, 2025 | Android 15 | Security | 5 | 41 | on server |
A566EXXS4AYE6 | Jun 9, 2025 | Android 15 | Security | 4 | 4 | on server |
A566EXXS4AYE5 | Jun 8, 2025 | Android 15 | Security | 4 | 41 | on server |
A566EXXU3AYDK | May 11, 2025 | Android 15 | Feature | 3 | 45 | on server |
A566EXXS2AYD3 | Apr 24, 2025 | Android 15 | Security | 2 | 41 | on server |
A566EXXS2AYD4 | Apr 22, 2025 | Android 15 | Security | 2 | 4 | on server |
A566EXXU1AYB7 | Feb 18, 2025 | Android 15 | Feature | 1 | 45 | on server |
Beta and test builds
Samsung's servers also list 2 beta build(s) for this model. They are not offered to regular users and are often removed after the next stable release.
| Build | Listed | File |
|---|---|---|
A566EXXUEZZI8 | Sep 28, 2026 | pulled |
A566EXXUDZZHJ | Sep 3, 2026 | pulled |
How to download SM-A566E firmware
We do not host firmware. Download it directly from Samsung's servers with a free open-source tool, for example samloader:
samloader download -m SM-A566E -r INSReplace INS with your region code. Step-by-step instructions, including a graphical alternative:
How to download Samsung firmware.
Changelog and security patch level
Samsung publishes the release notes for each update, including the security patch level, on its own site. They are listed per region – for example SM-A566E / INS release notes on doc.samsungmobile.com. Each region page here links to the notes for that code.