Cyber week deals! Galaxy Watch8 Classic, Fold 7, S25 Ultra. Follow us on YouTube, TikTok, or LinkedIn
Last updated: April 7th, 2022 at 12:04 UTC+02:00
SamMobile has affiliate and sponsored partnerships, we may earn a commission.
Reading time: 2 minutes
The latest software update for carrier-locked versions of the Galaxy S21, Galaxy S21+, and the Galaxy S21 Ultra comes with firmware version G99xUSQS5CVCB in the US. It includes the April 2022 security patch that fixes over 88 privacy and security vulnerabilities. The update also contains general bug fixes, better performance, and stability improvements.
The April 2022 security update is currently rolling out on Comcast's network in the US, but more carriers are expected to release the update within the next few days.
If you are a Galaxy S21 series user in the US and have a carrier-locked device, you can now check for the latest security update by navigating to Settings » Software update and tapping on Download and install. You can also download the latest firmware file from our firmware database and flash it manually.
Join SamMobile's Telegram group and subscribe to our YouTube channel to get instant news updates and in-depth reviews of Samsung devices. You can also subscribe to get updates from us on Google News and follow us on Twitter.
[modelinfo model=”SM-G991U”]
[modelinfo model=”SM-G996U”]
[modelinfo model=”SM-G998U”]
Asif is a computer engineer turned technology journalist. He has been using Samsung phones since 2004, and his current smartphone is the Galaxy S21 Ultra. He loves headphones, mechanical keyboards, and PC hardware. When not writing about technology, he likes watching crime and science fiction movies and TV shows.