New software is going to come up in Galaxy S8 and S8 Plus on AT&T network. The software version for Galaxy S8 is G950UQS1AQF7 and that of Galaxy S8 Plus is G955USQS1AQF7. 
The update’s main highlight is June Security patch which for both the Galaxy S8 and Galaxy S8 Plus, the update weighs around 125MB in size. The time taken to download this update is not that much. So, it takes a little time to get downloaded. You will soon get the updated version on you device, with new features. Recently Samsung has rolled out June Security Patch to group of its Android Phones. Which includes Galaxy S6 , S6 Edge, Galaxy J7, J2 and J1.
It is important to have enough charge left on the phone before installing the update. The charge should be at least 50% charge before installing the update. You can also download the update from the Wi-Fi as to save your data. Though the update is only of 125MB, but you can download it as you want to.
You should also keep a backup of the data you have on your device, so that you do not have any problem while downloading the data. If you ever face any issue while downloading the update, a backup of your file can save you from danger.
