Samsung is rolling out a new firmware update to Galaxy S5 Mini, On7 (2015) and Galaxy S Duos 3. The update installs April security patch and is being released as an OTA.
Galaxy S5 Mini is receiving the update as build number G800FXXU1CQD1 while the update is hitting Galaxy S Duos 3 as build number G316HUDDS0AQD1. On the other hand, the 2015 On7 unit is getting the update as build number G600FYXXU1BQC6.
The update brings monthly security patch as well as regular bug fixes. It also improves the stability and performance of your Android system. The update being rolled out over the air should be hitting your device soon, if it hasn’t already. To check for the update manually you need to proceed to Settings > About device > System updates.
Before hitting the download button, get your smartphone at least 50 percent charged as well as connected to a WiFi network to avoid extra data charges. Other Samsung devices which have already started receiving April security patch are Samsung Galaxy Alpha, J1 Duos, Grand Neo Plus, On7 (2016), S4 Value Edition and Tab A 9.7.