SM-A266M firmware for GTO – Guatemala

16 builds for the Galaxy A26 5G in region GTO. The full version string is PDA/CSC/MODEM – you need it to download a specific build.

Version (PDA/CSC/MODEM)	Released	Android	Type	Bit	File
`A266MUBUCDZJ5/A266MOWOCDZJ5/A266MUBUCDZJ5`	Nov 4, 2026	Android 17	Feature	12	on server
`A266MUBSCCZJ1/A266MOWOCCZJ1/A266MUBSCCZJ1`	Oct 19, 2026	Android 16	Security	12	on server
`A266MUBSBCZH1/A266MOWOBCZH1/A266MUBSBCZH1`	Aug 26, 2026	Android 16	Security	11	on server
`A266MUBSACZG1/A266MOWOACZG1/A266MUBSACZG1`	Jul 20, 2026	Android 16	Security	10	on server
`A266MUBU9CZEA/A266MOWO9CZEA/A266MUBU9CZEA`	May 25, 2026	Android 16	Feature	9	on server
`A266MUBS9BZD2/A266MOWO9BZD2/A266MUBS9BZD2`	Apr 12, 2026	Android 16	Security	9	on server
`A266MUBS8BZB6/A266MOWO8BZB6/A266MUBS8BZB6`	Mar 3, 2026	Android 16	Security	8	on server
`A266MUBS7BZA3/A266MOWO7BZA3/A266MUBS7BZA3`	Jan 19, 2026	Android 16	Security	7	on server
`A266MUBS6BYL1/A266MOWO6BYL1/A266MUBS6BYL1`	Dec 22, 2025	Android 16	Security	6	on server
`A266MUBS5BYK3/A266MOWO5BYK3/A266MUBS5BYK3`	Nov 23, 2025	Android 16	Security	5	on server
`A266MUBU4BYI3/A266MOWO4BYI3/A266MUBU4BYI3`	Oct 1, 2025	Android 16	Feature	4	on server
`A266MUBS4AYH3/A266MOWO4AYH3/A266MUBS4AYH1`	Aug 13, 2025	Android 15	Security	4	on server
`A266MUBS3AYE3/A266MOWO3AYE3/A266MUBS3AYE3`	Jun 10, 2025	Android 15	Security	3	on server
`A266MUBU2AYE1/A266MOWO2AYE1/A266MUBU2AYE1`	May 12, 2025	Android 15	Feature	2	on server
`A266MUBS2AYC1/A266MOWO2AYC1/A266MUBS2AYC1`	Apr 15, 2025	Android 15	Security	2	on server
`A266MUBU1AYB8/A266MOWO1AYB8/A266MUBU1AYB8`	Mar 10, 2025	Android 15	Feature	1	on server

Download the latest GTO build

samloader download -m SM-A266M -r GTO -v A266MUBUCDZJ5/A266MOWOCDZJ5/A266MUBUCDZJ5

Samsung's official release notes for SM-A266M in GTO, including the security patch level of each update: doc.samsungmobile.com/SM-A266M/GTO.