`A256EXXSBDZB2` – Galaxy A25 5G firmware

Build A256EXXSBDZB2 is a security update for the Galaxy A25 5G (SM-A256E) on Android 16 (One UI 8). It first appeared on Samsung's servers on Mar 8, 2026 (method) and has reached 78 regions so far. It raises the bootloader bit from 10 to 11: once installed, the device no longer accepts firmware with bit 10 or lower, so a downgrade to A256EXXSADZA2 is blocked. Samsung still serves this file.

Model: SM-A256E
Android: Android 16
Type: Security
Bootloader bit: 11
First released: Mar 8, 2026
Regions: 78

Rollout timeline by region

The date each region code (CSC) first received A256EXXSBDZB2, counted from the first release.

CSC	Region	Released	Rollout	Version (PDA/CSC/MODEM)
`CAU`	Caucasus	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EOXEBDZB2/A256EXXSBDZB2`
`SKZ`	Kazakhstan	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EOXEBDZB2/A256EXXSBDZB2`
`ACR`	Ghana	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EOJMBDZB2/A256EXXSBDZB2`
`AFG`	Afghanistan	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EOJMBDZB2/A256EXXSBDZB2`
`AFR`	Africa	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EOJMBDZB2/A256EXXSBDZB2`
`DKR`	Senegal	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EOJMBDZB2/A256EXXSBDZB2`
`ECT`	Nigeria	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EOJMBDZB2/A256EXXSBDZB2`
`EGY`	Egypt	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EOJMBDZB2/A256EXXSBDZB2`
`ILO`	Israel	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EOJMBDZB2/A256EXXSBDZB2`
`KSA`	Saudi Arabia	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EOJMBDZB2/A256EXXSBDZB2`
`LYS`	Libya	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EOJMBDZB2/A256EXXSBDZB2`
`MID`	Middle East	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EOJMBDZB2/A256EXXSBDZB2`
`MWD`	Morocco	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EOJMBDZB2/A256EXXSBDZB2`
`PAK`	Pakistan	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EOJMBDZB2/A256EXXSBDZB2`
`PKD`	Pakistan	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EOJMBDZB2/A256EXXSBDZB2`
`TUN`	Tunisia	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EOJMBDZB2/A256EXXSBDZB2`
`TUR`	Turkey	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EOJMBDZB2/A256EXXSBDZB2`
`XFA`	South Africa	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EOJMBDZB2/A256EXXSBDZB2`
`XFE`	South Africa	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EOJMBDZB2/A256EXXSBDZB2`
`XFV`	South Africa (Vodacom)	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EOJMBDZB2/A256EXXSBDZB2`
`XSG`	United Arab Emirates	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EOJMBDZB2/A256EXXSBDZB2`
`XID`	Indonesia	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EOLEBDZB2/A256EXXSBDZB2`
`BRI`	Taiwan	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EOLMBDZB2/A256EXXSBDZB2`
`BKD`	Bangladesh	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EODMBDZB2/A256EXXSBDZB2`
`INS`	India	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EODMBDZB2/A256EXXSBDZB2`
`NPB`	Nepal	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EODMBDZB2/A256EXXSBDZB2`
`SLK`	Sri Lanka	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EODMBDZB2/A256EXXSBDZB2`
`GLB`	Philippines (Globe)	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EOLMBDZB2/A256EXXSBDZB2`
`MM1`	Singapore (M1)	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EOLMBDZB2/A256EXXSBDZB2`
`MYM`	Myanmar	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EOLMBDZB2/A256EXXSBDZB2`
`SIN`	Singapore (Singtel)	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EOLMBDZB2/A256EXXSBDZB2`
`STH`	Singapore (StarHub)	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EOLMBDZB2/A256EXXSBDZB2`
`THL`	Thailand	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EOLMBDZB2/A256EXXSBDZB2`
`XME`	Malaysia	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EOLMBDZB2/A256EXXSBDZB2`
`XNZ`	New Zealand	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EOLMBDZB2/A256EXXSBDZB2`
`XSA`	Australia	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EOLMBDZB2/A256EXXSBDZB2`
`XSP`	Singapore	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EOLMBDZB2/A256EXXSBDZB2`
`XTC`	Philippines	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EOLMBDZB2/A256EXXSBDZB2`
`XXV`	Vietnam	Mar 8, 2026	day 0	`A256EXXSBDZB2/A256EOLMBDZB2/A256EXXSBDZB2`
`ARO`	Argentina	Mar 10, 2026	+2 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`BVO`	Bolivia	Mar 10, 2026	+2 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`CDR`	Dominican Republic	Mar 10, 2026	+2 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`CGU`	Guatemala (Claro)	Mar 10, 2026	+2 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`COB`	Colombia (Movistar)	Mar 10, 2026	+2 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`COL`	Colombia	Mar 10, 2026	+2 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`COM`	Colombia (Claro)	Mar 10, 2026	+2 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`COO`	Colombia	Mar 10, 2026	+2 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`CRC`	Costa Rica	Mar 10, 2026	+2 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`CTI`	Argentina (Claro)	Mar 10, 2026	+2 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`DOR`	Dominican Republic	Mar 10, 2026	+2 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`EBE`	Ecuador	Mar 10, 2026	+2 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`ECO`	Ecuador	Mar 10, 2026	+2 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`GLO`	Nigeria (Glo)	Mar 10, 2026	+2 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`GTO`	Guatemala	Mar 10, 2026	+2 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`PEO`	Peru	Mar 10, 2026	+2 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`PET`	Peru (Movistar)	Mar 10, 2026	+2 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`PGU`	Guatemala	Mar 10, 2026	+2 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`PNT`	Panama	Mar 10, 2026	+2 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`PSN`	Argentina (Personal)	Mar 10, 2026	+2 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`SAM`	Oceania	Mar 10, 2026	+2 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`TPA`	Panama	Mar 10, 2026	+2 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`UFN`	Argentina (Movistar)	Mar 10, 2026	+2 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`ZTA`	Brazil (Claro)	Mar 10, 2026	+2 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`ZTM`	Brazil (TIM)	Mar 10, 2026	+2 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`ZTO`	Brazil	Mar 10, 2026	+2 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`ZVV`	Brazil (Vivo)	Mar 10, 2026	+2 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`IUS`	Mexico (AT&T)	Mar 11, 2026	+3 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`MXO`	Mexico	Mar 11, 2026	+3 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`TCE`	Mexico (Telcel)	Mar 11, 2026	+3 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`TGP`	Paraguay	Mar 11, 2026	+3 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`TMM`	Myanmar	Mar 11, 2026	+3 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`UPO`	Uruguay	Mar 11, 2026	+3 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`UYO`	Uruguay	Mar 11, 2026	+3 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`CHE`	Chile (Entel)	Mar 17, 2026	+9 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`CHL`	Chile (Claro)	Mar 17, 2026	+9 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`CHO`	Chile	Mar 17, 2026	+9 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`CHT`	Chile (Movistar)	Mar 17, 2026	+9 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`
`CHX`	Chile	Mar 17, 2026	+9 days	`A256EXXSBDZB2/A256EOWOBDZB1/A256EXXSBDZB2`

Download and release notes

samloader download -m SM-A256E -r INS -v A256EXXSBDZB2/A256EODMBDZB2/A256EXXSBDZB2

Samsung's release notes and security patch level for this update: SM-A256E / INS on doc.samsungmobile.com. What each part of the build number means: decode A256EXXSBDZB2.

A256EXXSBDZB2 – Galaxy A25 5G firmware

Rollout timeline by region

Download and release notes

`A256EXXSBDZB2` – Galaxy A25 5G firmware