SM-A366U firmware for USC – USA (US Cellular)

17 builds for the Galaxy A36 5G in region USC. 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
`A366USQUADZIF/A366UOYNADZIF/A366USQUADZIF`	Oct 18, 2026	Android 17	Feature	10	on server
`A366USQSACZH1/A366UOYNACZH1/A366USQSACZH1`	Sep 8, 2026	Android 16	Security	10	on server
`A366USQS9CZG2/A366UOYN9CZG2/A366USQS9CZG2`	Aug 9, 2026	Android 16	Security	9	on server
`A366USQS8CZF1/A366UOYN8CZF1/A366USQS8CZF1`	Jul 5, 2026	Android 16	Security	8	on server
`A366USQS8CZE3/A366UOYN8CZE3/A366USQS8CZE3`	Jun 11, 2026	Android 16	Security	8	on server
`A366USQU7CZE1/A366UOYN7CZE1/A366USQU7CZE1`	Jun 8, 2026	Android 16	Feature	7	on server
`A366USQS7BZDB/A366UOYN7BZDB/A366USQS7BZDB`	May 11, 2026	Android 16	Security	7	on server
`A366USQS6BZC2/A366UOYN6BZC2/A366USQS6BZC2`	Apr 2, 2026	Android 16	Security	6	on server
`A366USQS6BZB6/A366UOYN6BZB6/A366USQS6BZB6`	Mar 17, 2026	Android 16	Security	6	on server
`A366USQS5BZA1/A366UOYN5BZA1/A366USQS5BZA1`	Feb 3, 2026	Android 16	Security	5	on server
`A366USQS4BYK3/A366UOYN4BYK3/A366USQS4BYK3`	Nov 24, 2025	Android 16	Security	4	on server
`A366USQU3BYI7/A366UOYN3BYI7/A366USQU3BYI7`	Oct 6, 2025	Android 16	Feature	3	on server
`A366USQS3AYI1/A366UOYN3AYI1/A366USQS3AYI1`	Sep 15, 2025	Android 15	Security	3	on server
`A366USQS3AYG1/A366UOYN3AYG1/A366USQS3AYG1`	Jul 23, 2025	Android 15	Security	3	on server
`A366USQU2AYD8/A366UOYN2AYD8/A366USQU2AYD8`	May 19, 2025	Android 15	Feature	2	on server
`A366USQS2AYC4/A366UOYN2AYC4/A366USQS2AYC4`	Apr 17, 2025	Android 15	Security	2	on server
`A366USQU1AYBB/A366UOYN1AYBB/A366USQU1AYBB`	Mar 9, 2025	Android 15	Feature	1	on server

Download the latest USC build

samloader download -m SM-A366U -r USC -v A366USQUADZIF/A366UOYNADZIF/A366USQUADZIF

Samsung's official release notes for SM-A366U in USC, including the security patch level of each update: doc.samsungmobile.com/SM-A366U/USC.