The Galaxy S21 lineup received one of its most important software updates recently, one that brought an end to the camera lag woes many Galaxy S21, S21+, and S21 Ultra owners had been facing and also fixed device overheating. That update now seems to have reached the USA, where both Comcast and Xfinity Mobile are rolling it out to their respective variants. The firmware version for the new update is G99xUSQU4AUF5.
As Samsung had detailed, the newest update for its top-of-the-line flagships optimizes the camera’s Portrait mode and fixes the lag encountered when zooming in and zooming out. It also adds the ability to scan QR codes saved in the device gallery when using the built-in QR code scanner (accessed from the toggles area of the notification shade). The video call effects feature has been improved as well, and Samsung says overheating shouldn’t be an issue once the update has been installed.
In addition to all those improvements, the latest Galaxy S21 update also includes the June 2021 security patch. You can download it over the air on your phone by opening its Settings app, selecting Software update, and tapping Download and install. It can also be downloaded from our firmware archive, though you will need to use a Windows PC to install it on your Galaxy S21 if you skip the over-the-air method.
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