Galaxy A55 5G SM-A556E firmware

The latest stable build is A556EXXUIEZJ1 (Android 17, feature update), first released on Oct 25, 2026 – 12 days ago. Samsung has published 78 stable builds for this model since Feb 28, 2024: 57 security and 21 feature updates, from Android 14 to Android 17. The current bootloader (binary) version is 18. A device on bit 18 only accepts firmware with bit 18 or higher – see downgrading and the bootloader bit.

Latest build
A556EXXUIEZJ1
Released
Oct 25, 2026
Android
Android 17
Bootloader bit
18
Regions
82
Stable builds
78

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.

CSCRegionLatest buildAndroidReleasedBuilds
ACRGhanaA556EXXUIEZJ1Android 17Oct 25, 202634
AFGAfghanistanA556EXXUIEZJ1Android 17Oct 25, 202634
AFRAfricaA556EXXUIEZJ1Android 17Oct 25, 202634
AROArgentinaA556EXXSIDZI3Android 16Sep 24, 202633
BKDBangladeshA556EXXUIEZJ1Android 17Oct 25, 202633
BNGBelgiumA556EXXUIEZJ1Android 17Oct 25, 202633
BVOBoliviaA556EXXUIEZJ1Android 17Oct 29, 202635
CAUCaucasusA556EXXUIEZJ1Android 17Oct 25, 202634
CDRDominican RepublicA556EXXSIDZI3Android 16Sep 22, 202633
CGUGuatemala (Claro)A556EXXUIEZJ1Android 17Oct 29, 202633
CHEChile (Entel)A556EXXSIDZI3Android 16Sep 30, 202634
CHLChile (Claro)A556EXXSIDZI3Android 16Sep 30, 202634
CHOChileA556EXXSIDZI3Android 16Sep 30, 202634
CHTChile (Movistar)A556EXXSIDZI3Android 16Sep 30, 202634
CHXChileA556EXXSIDZI3Android 16Sep 30, 202634
COBColombia (Movistar)A556EXXSIDZI3Android 16Sep 24, 202633
COLColombiaA556EXXSIDZI3Android 16Sep 24, 202633
COMColombia (Claro)A556EXXSIDZI3Android 16Sep 22, 202635
COOColombiaA556EXXSIDZI3Android 16Sep 24, 202633
CRCCosta RicaA556EXXSIDZI3Android 16Sep 29, 202633
CTIArgentina (Claro)A556EXXSIDZI3Android 16Sep 24, 202633
DKRSenegalA556EXXUIEZJ1Android 17Oct 25, 202634
DORDominican RepublicA556EXXSIDZI3Android 16Sep 29, 202633
EBEEcuadorA556EXXSIDZI3Android 16Sep 30, 202632
ECOEcuadorA556EXXSIDZI3Android 16Sep 30, 202632
ECTNigeriaA556EXXUIEZJ1Android 17Oct 25, 202634
EGYEgyptA556EXXUIEZJ1Android 17Oct 25, 202634
GLBPhilippines (Globe)A556EXXUIEZJ1Android 17Oct 25, 202634
GLONigeria (Glo)A556EXXSIDZI3Android 16Sep 29, 202633
GTOGuatemalaA556EXXUIEZJ1Android 17Oct 26, 202634
ILOIsraelA556EXXUIEZJ1Android 17Oct 25, 202633
INSIndiaA556EXXUIEZJ1Android 17Oct 25, 202637
IUSMexico (AT&T)A556EXXSIDZI3Android 16Sep 23, 202635
KSASaudi ArabiaA556EXXUIEZJ1Android 17Oct 25, 202634
LYSLibyaA556EXXUIEZJ1Android 17Oct 25, 202634
MIDMiddle EastA556EXXUIEZJ1Android 17Oct 25, 202634
MM1Singapore (M1)A556EXXUIEZJ1Android 17Oct 25, 202632
MWDMoroccoA556EXXUIEZJ1Android 17Oct 25, 202634
MXOMexicoA556EXXSIDZI3Android 16Sep 23, 202635
MYMMyanmarA556EXXUIEZJ1Android 17Oct 25, 202634
NPBNepalA556EXXUIEZJ1Android 17Oct 25, 202634
OPSAustralia (Optus)A556EXXUIEZJ1Android 17Oct 25, 202633
PAKPakistanA556EXXUIEZJ1Android 17Oct 25, 202634
PEOPeruA556EXXSIDZI3Android 16Sep 24, 202634
PETPeru (Movistar)A556EXXSIDZI3Android 16Sep 24, 202634
PGUGuatemalaA556EXXSIDZI3Android 16Sep 22, 202633
PKDPakistanA556EXXUIEZJ1Android 17Oct 25, 202634
PNTPanamaA556EXXSIDZI3Android 16Sep 24, 202634
PSNArgentina (Personal)A556EXXSIDZI3Android 16Sep 24, 202633
SAMOceaniaA556EXXSIDZI3Android 16Sep 24, 202634
SERRussiaA556EXXUIEZJ1Android 17Oct 25, 202634
SINSingapore (Singtel)A556EXXUIEZJ1Android 17Oct 25, 202632
SKZKazakhstanA556EXXUIEZJ1Android 17Oct 25, 202634
SLKSri LankaA556EXXUIEZJ1Android 17Oct 25, 202634
STHSingapore (StarHub)A556EXXUIEZJ1Android 17Oct 25, 202632
TCEMexico (Telcel)A556EXXSIDZI3Android 16Sep 23, 202635
TELAustralia (Telstra)A556EXXUIEZJ1Android 17Oct 25, 202633
TGPParaguayA556EXXSIDZI3Android 16Sep 29, 202633
THLThailandA556EXXUIEZJ1Android 17Oct 25, 202635
TMMMyanmarA556EXXSIDZI3Android 16Sep 23, 202635
TPAPanamaA556EXXUIEZJ1Android 17Nov 4, 202634
TUNTunisiaA556EXXUIEZJ1Android 17Oct 25, 202634
TURTurkeyA556EXXUIEZJ1Android 17Oct 25, 202634
UFNArgentina (Movistar)A556EXXSIDZI3Android 16Sep 24, 202633
UPOUruguayA556EXXSIDZI3Android 16Sep 29, 202633
UYOUruguayA556EXXSIDZI3Android 16Sep 24, 202633
VAUAustralia (Vodafone)A556EXXUIEZJ1Android 17Oct 25, 202633
XFASouth AfricaA556EXXUIEZJ1Android 17Oct 25, 202634
XFESouth AfricaA556EXXUIEZJ1Android 17Oct 25, 202634
XFVSouth Africa (Vodacom)A556EXXUIEZJ1Android 17Oct 25, 202634
XIDIndonesiaA556EXXUIEZJ1Android 17Oct 25, 202634
XMEMalaysiaA556EXXUIEZJ1Android 17Oct 25, 202634
XNZNew ZealandA556EXXUIEZJ1Android 17Oct 27, 202633
XSAAustraliaA556EXXUIEZJ1Android 17Oct 25, 202633
XSGUnited Arab EmiratesA556EXXUIEZJ1Android 17Oct 25, 202634
XSPSingaporeA556EXXUIEZJ1Android 17Oct 25, 202632
XTCPhilippinesA556EXXUIEZJ1Android 17Oct 25, 202634
XXVVietnamA556EXXUIEZJ1Android 17Oct 25, 202634
ZTABrazil (Claro)A556EXXUIEZJ1Android 17Oct 27, 202636
ZTMBrazil (TIM)A556EXXUIEZJ1Android 17Oct 27, 202636
ZTOBrazilA556EXXUIEZJ1Android 17Oct 27, 202636
ZVVBrazil (Vivo)A556EXXUIEZJ1Android 17Oct 27, 202636

Firmware history (78 builds)

Every stable build (PDA version) Samsung has published for the SM-A556E, 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)ReleasedAndroidTypeBitRegionsFile
A556EXXUIEZJ1Oct 25, 2026Android 17Feature1851on server
A556EXXSIDZI3Sep 20, 2026Android 16Security1882on server
A556EXXSHDZH6Sep 2, 2026Android 16Security1782on server
A556EXXSGDZG2Jul 19, 2026Android 16Security1682on server
A556EXXSFDZF2Jun 24, 2026Android 16Security1582on server
A556EXXUEDZE4May 31, 2026Android 16Feature1482on server
A556EXXSECZDEMay 11, 2026Android 16Security1482on server
A556EXXSECZD1Apr 19, 2026Android 16Security1482on server
A556EXXSDCZC4Mar 29, 2026Android 16Security1382on server
A556EXXSDCZB5Mar 1, 2026Android 16Security1382on server
A556EXXSCCZA1Jan 15, 2026Android 16Security1282on server
A556EXXSBCYL1Dec 16, 2025Android 16Security1182on server
A556EXXSBCYK2Nov 16, 2025Android 16Security1182on server
A556EXXSACYJ2Oct 27, 2025Android 16Security1082on server
A556EXXUACYIAOct 6, 2025Android 16Feature1079on server
A556EXXSABYI4Sep 25, 2025Android 15Security101on server
A556EXXSABYI3Sep 25, 2025Android 15Security1066on server
A556EXXSABYI1Sep 25, 2025Android 15Security101on server
A556EXXSABYI2Sep 22, 2025Android 15Security1014on server
A556EXXSABYH4Aug 24, 2025Android 15Security101on server
A556EXXSABYG2Aug 19, 2025Android 15Security1066on server
A556EXXSABYG4Aug 19, 2025Android 15Security1014on server
A556EXXSABYH3Aug 18, 2025Android 15Security101on server
A556EXXS9BYG3Jul 27, 2025Android 15Security91on server
A556EXXS9BYF3Jul 22, 2025Android 15Security966on server
A556EXXS9BYG1Jul 22, 2025Android 15Security915on server
A556EXXU8BYG2Jul 16, 2025Android 15Feature81on server
A556EXXS8BYE1Jun 23, 2025Android 15Security866on server
A556EXXU8BYF3Jun 15, 2025Android 15Feature815on server
A556EXXU7BYDBMay 21, 2025Android 15Feature782on server
A556EXXS7AYD2May 12, 2025Android 14Security72on server
A556EXXS7AYD3May 8, 2025Android 14Security71on server
A556EXXS6AYC5May 7, 2025Android 14Security61on server
A556EXXS6AYB6May 7, 2025Android 14Security61on server
A556EXXS6AYC4May 6, 2025Android 14Security62on server
A556EXXU6AYB2Apr 29, 2025Android 14Feature61on server
A556EXXS6AYB5Apr 24, 2025Android 14Security62on server
A556EXXS7AYD1Apr 22, 2025Android 14Security736on server
A556EXXS7AYC6Apr 20, 2025Android 14Security719on server
A556EXXU6AYB1Apr 15, 2025Android 14Feature62on server
A556EXXS7AYC8Apr 7, 2025Android 14Security724on server
A556EXXS6AYC3Mar 24, 2025Android 14Security636on server
A556EXXS6AYC1Mar 18, 2025Android 14Security619on server
A556EXXS6AYC2Mar 18, 2025Android 14Security624on server
A556EXXS6AYB4Feb 26, 2025Android 14Security636on server
A556EXXS6AYB3Feb 25, 2025Android 14Security619on server
A556EXXS6AYB2Feb 25, 2025Android 14Security624on server
A556EXXS6AYA6Feb 5, 2025Android 14Security637on server
A556EXXS6AYA4Feb 4, 2025Android 14Security619on server
A556EXXS6AYA5Jan 23, 2025Android 14Security624on server
A556EXXU6AXL4Dec 26, 2024Android 14Feature637on server
A556EXXU6AXL2Dec 22, 2024Android 14Feature619on server
A556EXXU6AXL3Dec 22, 2024Android 14Feature624on server
A556EXXS6AXKBDec 18, 2024Android 14Security69on server
A556EXXS5AXJ1Oct 14, 2024Android 14Security539on server
A556EXXU5AXJ3Oct 9, 2024Android 14Feature51on server
A556EXXS5AXI4Oct 7, 2024Android 14Security543on server
A556EXXS4AXH5Sep 19, 2024Android 14Security439on server
A556EXXS4AXH4Sep 15, 2024Android 14Security443on server
A556EXXU4AXH2Aug 26, 2024Android 14Feature439on server
A556EXXU4AXH1Aug 19, 2024Android 14Feature443on server
A556EXXS4AXF7Jul 5, 2024Android 14Security439on server
A556EXXS4AXF6Jul 4, 2024Android 14Security443on server
A556EXXS3AXF4Jul 1, 2024Android 14Security339on server
A556EXXS3AXF3Jun 27, 2024Android 14Security334on server
A556EXXU3AXF1Jun 26, 2024Android 14Feature339on server
A556EXXU3AXF2Jun 19, 2024Android 14Feature343on server
A556EXXU2AXE1May 20, 2024Android 14Feature28on server
A556EXXU2AXD9Apr 30, 2024Android 14Feature210on server
A556EXXS2AXD3Apr 29, 2024Android 14Security239on server
A556EXXS2AXD7Apr 24, 2024Android 14Security22on server
A556EXXS2AXD4Apr 24, 2024Android 14Security237on server
A556EXXS1AXC4Mar 26, 2024Android 14Security12on server
A556EXXS1AXC3Mar 25, 2024Android 14Security136on server
A556EXXU1AXC1Mar 22, 2024Android 14Feature12on server
A556EXXS1AXC1Mar 19, 2024Android 14Security143on server
A556EXXU1AXB7Feb 28, 2024Android 14Feature143on server
A556EXXU1AXBCFeb 28, 2024Android 14Feature137on server

Beta and test builds

Samsung's servers also list 3 beta build(s) for this model. They are not offered to regular users and are often removed after the next stable release.

BuildListedFile
A556EXXUIZZI9Oct 11, 2026pulled
A556EXXUIZZI5Sep 21, 2026pulled
A556EXXUHZZI1Sep 8, 2026pulled

How to download SM-A556E 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-A556E -r INS

Replace 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-A556E / INS release notes on doc.samsungmobile.com. Each region page here links to the notes for that code.