SM-A310F firmware for O2U – United Kingdom (O2)

9 builds for the Galaxy A3 ⑥ in region O2U. 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
`A310FXXS5CTK2/A310FTEF5CSH2/A310FXXS5CSF3`	Dec 30, 2020	Android 7	Security	5	on server
`A310FXXS5CSH3/A310FTEF5CSH2/A310FXXS5CSF3`	Aug 18, 2019	Android 7	Security	5	on server
`A310FXXU4CRG2/A310FTEF4CRG1/A310FXXU4CRF1`	Aug 24, 2018	Android 7	Feature	4	on server
`A310FXXU4CRB1/A310FTEF4CRB1/A310FXXU4CRB4`	Apr 22, 2018	Android 7	Feature	4	pulled
`A310FXXU3CQL2/A310FTEF3CQL4/A310FXXU3CQL5`	Jan 26, 2018	Android 7	Feature	3	pulled
`A310FXXU3CQI2/A310FTEF3CQH4/A310FXXU3CQI4`	Nov 12, 2017	Android 7	Feature	3	pulled
`A310FXXU2BQA8/A310FTEF2BPL2/A310FXXU2BQA4`	Mar 23, 2017	Android 6	Feature	2	pulled
`A310FXXU2BPH8/A310FTEF2BPI1/A310FXXU2BPGD`	Oct 31, 2016	Android 6	Feature	2	pulled
`A310FXXU2APD6/A310FTEF2APC3/A310FXXU2APC5`	Apr 28, 2016	Android 5	Feature	2	pulled

Download the latest O2U build

samloader download -m SM-A310F -r O2U -v A310FXXS5CTK2/A310FTEF5CSH2/A310FXXS5CSF3

Samsung's official release notes for SM-A310F in O2U, including the security patch level of each update: doc.samsungmobile.com/SM-A310F/O2U.