Overview
- The January release delivers 55 fixes, including 23 from Google (with two not applicable to Samsung), 30 from Samsung Mobile, and 4 from Samsung Semiconductor, with one critical, 28 high‑risk, and three moderate‑risk patches.
- Rollout began in South Korea with a staged over‑the‑air expansion to other regions expected over the coming days.
- Launched in January 2021 with a promise of three OS upgrades and five years of security patches, the S21 series saw OS updates end earlier, and outlets expect delisting from Samsung’s quarterly schedule next month based on past practice.
- Reports note Samsung could still issue occasional hotfixes after this point, though routine security updates are not anticipated.
- Security commentators advise S21 owners to consider upgrading as exposure increases, with Forbes highlighting a broader trend of more than a billion Android phones lacking current security support.