Galaxy A33 5G SM-A336B firmware

The latest stable build is A336BXXUKGZI3 (Android 16, feature update), first released on Oct 5, 2026 – 32 days ago. Samsung has published 45 stable builds for this model since Feb 21, 2022: 25 security and 20 feature updates, from Android 12 to Android 16. The current bootloader (binary) version is 20. A device on bit 20 only accepts firmware with bit 20 or higher – see downgrading and the bootloader bit.

Latest build: A336BXXUKGZI3
Released: Oct 5, 2026
Android: Android 16
Bootloader bit: 20
Regions: 22
Stable builds: 45

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
`BOG`	France (Bouygues)	`A336BXXUKGZI3`	Android 16	Oct 5, 2026	40
`BTB`	United Kingdom (BT)	`A336BXXUKGZI3`	Android 16	Oct 5, 2026	40
`CAU`	Caucasus	`A336BXXUKGZI3`	Android 16	Oct 7, 2026	41
`EUX`	Europe (Multi-CSC)	`A336BXXUKGZI3`	Android 16	Oct 5, 2026	40
`EUY`	Europe (Multi-CSC)	`A336BXXUKGZI3`	Android 16	Oct 5, 2026	40
`EVR`	United Kingdom (EE)	`A336BXXUKGZI3`	Android 16	Oct 5, 2026	40
`MEO`	Portugal (MEO)	`A336BXXUKGZI3`	Android 16	Oct 5, 2026	40
`MOB`	Austria (A1)	`A336BXXUKGZI3`	Android 16	Oct 5, 2026	40
`MOT`	Slovenia (Telekom)	`A336BXXUKGZI3`	Android 16	Oct 5, 2026	40
`MSR`	Serbia	`A336BXXUKGZI3`	Android 16	Oct 5, 2026	40
`O2C`	Czech Republic (O2)	`A336BXXUKGZI3`	Android 16	Oct 5, 2026	40
`PLS`	Poland (Plus)	`A336BXXUKGZI3`	Android 16	Oct 5, 2026	40
`PRT`	Poland (Play)	`A336BXXUKGZI3`	Android 16	Oct 5, 2026	40
`SEK`	Ukraine	`A336BXXUKGZI3`	Android 16	Oct 7, 2026	40
`SER`	Russia	`A336BXXUKGZI3`	Android 16	Oct 7, 2026	40
`SFR`	France (SFR)	`A336BXXUKGZI3`	Android 16	Oct 5, 2026	40
`SIM`	Slovenia (A1)	`A336BXXUKGZI3`	Android 16	Oct 5, 2026	40
`SKZ`	Kazakhstan	`A336BXXUKGZI3`	Android 16	Oct 7, 2026	40
`SWC`	Switzerland	`A336BXXUKGZI3`	Android 16	Oct 5, 2026	40
`TIM`	Italy (TIM)	`A336BXXUKGZI3`	Android 16	Oct 5, 2026	40
`TOP`	Serbia/Montenegro	`A336BXXUKGZI3`	Android 16	Oct 5, 2026	40
`VIP`	Croatia (A1)	`A336BXXUKGZI3`	Android 16	Oct 5, 2026	40

Firmware history (45 builds)

Every stable build (PDA version) Samsung has published for the SM-A336B, 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
`A336BXXUKGZI3`	Oct 5, 2026	Android 16	Feature	20	22	on server
`A336BXXSKGZH2`	Sep 7, 2026	Android 16	Security	20	22	on server
`A336BXXSJGZG3`	Jul 26, 2026	Android 16	Security	19	22	on server
`A336BXXSIGZE1`	May 24, 2026	Android 16	Security	18	22	on server
`A336BXXSHGZB6`	Mar 8, 2026	Android 16	Security	17	22	on server
`A336BXXSGGZA1`	Feb 1, 2026	Android 16	Security	16	22	on server
`A336BXXSFGYL1`	Dec 25, 2025	Android 16	Security	15	22	on server
`A336BXXSFGYK3`	Nov 30, 2025	Android 16	Security	15	22	on server
`A336BXXSEGYJ3`	Oct 26, 2025	Android 16	Security	14	22	on server
`A336BXXUEGYI8`	Oct 23, 2025	Android 16	Feature	14	22	on server
`A336BXXSEFYH2`	Aug 26, 2025	Android 15	Security	14	22	on server
`A336BXXUDFYE3`	Jun 15, 2025	Android 15	Feature	13	22	on server
`A336BXXSDEYD2`	Apr 16, 2025	Android 14	Security	13	22	on server
`A336BXXSCEXL1`	Jan 19, 2025	Android 14	Security	12	22	on server
`A336BXXUCEXK4`	Dec 16, 2024	Android 14	Feature	12	22	on server
`A336BXXSCEXK1`	Nov 26, 2024	Android 14	Security	12	22	on server
`A336BXXSBEXJ1`	Oct 21, 2024	Android 14	Security	11	22	on server
`A336BXXSAEXI8`	Oct 1, 2024	Android 14	Security	10	22	on server
`A336BXXUAEXG4`	Sep 4, 2024	Android 14	Feature	10	22	on server
`A336BXXSAEXG3`	Aug 7, 2024	Android 14	Security	10	22	on server
`A336BXXS9EXE2`	May 27, 2024	Android 14	Security	9	22	on server
`A336BXXU8EXDC`	May 20, 2024	Android 14	Feature	8	22	on server
`A336BXXS8DXC4`	Apr 9, 2024	Android 14	Security	8	4	on server
`A336BXXS8DXC1`	Apr 9, 2024	Android 14	Security	8	18	on server
`A336BXXS8DXA2`	Jan 22, 2024	Android 14	Security	8	4	on server
`A336BXXS8DXA1`	Jan 22, 2024	Android 14	Security	8	18	on server
`A336BXXU7DWL1`	Dec 28, 2023	Android 14	Feature	7	4	on server
`A336BXXU7DWK6`	Dec 4, 2023	Android 14	Feature	7	18	on server
`A336BXXS7CWJ1`	Oct 26, 2023	Android 13	Security	7	22	on server
`A336BXXU7CWH2`	Sep 5, 2023	Android 13	Feature	7	22	on server
`A336BXXS7CWG1`	Jul 26, 2023	Android 13	Security	7	22	on server
`A336BXXU6CWF2`	Jun 24, 2023	Android 13	Feature	6	22	on server
`A336BXXU5CWD1`	May 3, 2023	Android 13	Feature	5	22	on server
`A336BXXS5CWC2`	Mar 30, 2023	Android 13	Security	5	22	on server
`A336BXXU4CWB2`	Mar 1, 2023	Android 13	Feature	4	22	on server
`A336BXXS4BWA1`	Jan 30, 2023	Android 13	Security	4	22	on server
`A336BXXU4BVKB`	Dec 20, 2022	Android 13	Feature	4	22	on server
`A336BXXS4AVK1`	Nov 17, 2022	Android 12	Security	4	1	on server
`A336BXXU4BVJG`	Nov 9, 2022	Android 13	Feature	4	22	on server
`A336BXXU4AVI4`	Oct 11, 2022	Android 12	Feature	4	21	on server
`A336BXXU3AVGA`	Aug 29, 2022	Android 12	Feature	3	22	on server
`A336BXXU2AVG2`	Jul 27, 2022	Android 12	Feature	2	22	on server
`A336BXXU2AVF2`	Jun 30, 2022	Android 12	Feature	2	22	on server
`A336BXXU1AVC9`	Apr 3, 2022	Android 12	Feature	1	22	on server
`A336BXXU1AVAK`	Feb 21, 2022	Android 12	Feature	1	1	on server

How to download SM-A336B 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-A336B -r EUX

Replace EUX 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-A336B / EUX release notes on doc.samsungmobile.com. Each region page here links to the notes for that code.