You can no longer Install Custom Fonts on Samsung Galaxy Phones on OneUI 8.0 & 8.5 Download and Install Custom Fonts for Samsung One UI 5 (Android 13) Firmware Update. Change to Google Sans Font!

Samsung's March 2026 security patch has permanently blocked custom font installation on OneUI 8.0 and 8.5. Here's what changed, why it happened, and what Galaxy users can do now.

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