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Samsung’s December Security Patch Reaches Galaxy S22, Tab S9 FE, and Z Fold/Flip 4 as Rollout Widens

The staged release brings 57 Android fixes alongside 11 Samsung patches, including six critical vulnerabilities.

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Overview

  • Samsung has expanded the December 2025 patch beyond newer flagships to the Galaxy S22 series in India and to additional foldables and tablets as the rollout progresses from South Korea.
  • The Galaxy Z Fold 6 and Galaxy Z Flip 6 are receiving builds F956NKSS2CYKE and F741NKSS2CYKE, with packages of roughly 450MB.
  • The Galaxy Tab S9 FE is getting firmware X510XXS9DYK1 in South Korea, a 331.30MB download.
  • The Galaxy Z Fold 4 and Galaxy Z Flip 4 updates are 445.46MB and 426.82MB with builds F936NKSS6IYL1 and F721NKSS6IYL1.
  • The Galaxy S22 series update is live in India at 485.19MB under build S90xEOXMCGYL1, and Samsung is withholding technical vulnerability details until broad installation.