Samsung has begun rolling out the April 2026 security patch for its tablets, initially arriving on the Galaxy Tab S11 series as part of the second One UI 8.5 beta update. The company has now extended the update to the Galaxy Tab S10 lineup as well.
Galaxy Tab S10+ and Galaxy Tab S10 Ultra units in South Korea are receiving the latest software update, which includes the April 2026 security patch. The update addresses 47 security vulnerabilities found in the previous version of the operating system.
The Galaxy Tab S10+ update comes with firmware version X826NKOS7CZD3, while the Galaxy Tab S10 Ultra update carries firmware version X926NKOS7CZD3.
Samsung is expected to roll out the April 2026 security patch for the Galaxy Tab S10+ and Galaxy Tab S10 Ultra in additional countries over the coming days or within the next few weeks.
To check whether the update is available in your region, go to Settings > Software update > Download and install.
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