According to Samsung, the August 2021 security patch update includes fixes for 38 CVEs in which 3 are critical, 23 are high, and 9 are moderate.
How To Check Software Update?
If you have a device and want to check for the latest software update, just take your device and open Settings, tap on the Software update menu, and go for the Download and install option.
Samsung Galaxy S21 August 2021 Security Patch:
AUGUST 20, 2021: T-Mobile/Sprint
AUGUST 10, 2021: In India
Samsung is expanding the most up-to-date August 2021 security update for the Galaxy S21 phones in India. The software versions are G991BXXU3AUGM, G996BXXU3AUGM, and G998BXXU3AUGM for the Galaxy S21, Galaxy S21+, and Galaxy S21 Ultra respectively.
AUGUST 06, 2021: New update improves camera performance
Samsung is rolling out a new software update for the Galaxy S21 series in South Korea, which brings improvements to the Camera performance. The update also brings enhancements to the stability of the Galaxy S21 series devices as well as improves the system security by installing the August 2021 security patch (via Sammy Fans).
- Camera performance improvements
- Applied stabilization code related to device operation
- Applied stabilization code related to device security
- Firmware version:
- Galaxy S21 – G991NKSU3AUGM
- Galaxy S21 Plus – G996NKSU3AUGM
- Galaxy S21 Ultra – G998NKSU3AUGM
AUGUST 05, 2021: Verizon
Verizon started rolling out the August 2021 patch to the Galaxy S21 series. The software versions are G991USQU4AUGE, G996USQU4AUGE, and G998USQU4AUGE for the Galaxy S21, S21+, and S21 Ultra respectively.
AUGUST 04, 2021: For International Variants
Samsung is now releasing the August 2021 security patch to the international variants via a new software update. Initially, the update is making its way to the Exynos 2100-powered Galaxy S21 flagships in Germany (Europe). The software versions are G991BXXU3AUGM, G996BXXU3AUGM, and G998BXXU3AUGM for the Galaxy S21, Galaxy S21+, and Galaxy S21 Ultra respectively.
JULY 30, 2021: In China
Samsung Galaxy S21 series August 2021 security update rollout is taking place in the Chinese market, Hong Kong. The size of the software update is more than 300MB. The software versions are G9980ZCU2AUGE, G9960ZCU2AUGE, and G9910ZCU2AUGE for the Galaxy S21 Ultra, Galaxy S21+, and Galaxy S21 respectively (via Sammy Fans).