Samsung ends software and security updates for Galaxy Note 20 series

Samsung has ended software and security support for the Galaxy Note 20 and Note 20 Ultra, bringing official updates for the last Note-branded phones to a close roughly five years after their launch in August 2020. The company’s update listings show the devices will no longer receive monthly or quarterly patches beginning in September 2025, leaving owners of the once-flagship models without routine security maintenance.

The Note 20 series debuted with Android 10 and a One UI 2.5 interface and was covered by Samsung’s then-standard promise of three major Android upgrades and five years of security support. The phones received three OS upgrades, finishing with Android 13 and One UI 5.1, and have been on security-only updates since. Reports varied on the precise timing of the final patch; some users and trackers identified an April 2025 security release as the last routine update, while others noted an August 2025 security patch and the removal of the devices from Samsung’s public update list in September 2025. Company materials indicate the official five-year support window has now expired.

The end of support carries practical consequences. Without further patches, new...