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Phone · Samsung Galaxy Z Fold8 Ultra
Stock firmware and official updates for the Samsung Galaxy Z Fold8 Ultra (SM-F976U), by region.
United States ATTBuildF976USQS3AZILAndroidAndroid 17Security patchOct 2026ReleasedOct 7, 2026DetailsWhat's newUnited States CCTBuildF976USQS3AZILSamsung's official release notes, newest first.
• Security The device is protected with improved security. These changes may vary depending on the model, country, or network operator of the customer environment.
Released for 7 CSCs: ATT, CCT, CHA, TMB, TMK, XAA, XMT
Source: Samsung• Stability and reliability Device behavior has been improved. These changes may vary depending on the model, country, or network operator of the customer environment.
Released for 1 CSC: XAA
Source: Samsung• Stability and reliability Device behavior has been improved. • Security The device is protected with improved security. These changes may vary depending on the model, country, or network operator of the customer environment.
Released for 7 CSCs: ATT, CCT, CHA, TMB, TMK, XAA, XMT
Source: SamsungUnited States CHABuildF976USQS3AZILAndroidAndroid 17Security patchOct 2026ReleasedOct 7, 2026DetailsWhat's newUnited States SPTBuildF976USQS3AZILAndroidAndroid 17Security patchOct 2026ReleasedOct 7, 2026DetailsWhat's newUnited States TMBBuildF976USQS3AZILAndroidAndroid 17Security patchOct 2026ReleasedOct 7, 2026DetailsWhat's newUnited States TMKBuildF976USQS3AZILAndroidAndroid 17Security patchOct 2026ReleasedOct 7, 2026DetailsWhat's newUnited States VZWBuildF976USQS3AZILAndroidAndroid 17Security patchOct 2026ReleasedOct 7, 2026DetailsWhat's newUnited States XAABuildF976USQS3AZILAndroidAndroid 17Security patchOct 2026ReleasedOct 7, 2026DetailsWhat's newUnited States XMTBuildF976USQS3AZILAndroidAndroid 17Security patchOct 2026ReleasedOct 7, 2026DetailsWhat's new• Security The device is protected with improved security. These changes may vary depending on the model, country, or network operator of the customer environment.
Released for 7 CSCs: ATT, CCT, CHA, TMB, TMK, XAA, XMT
Source: Samsung• Stability and reliability Device behavior has been improved. These changes may vary depending on the model, country, or network operator of the customer environment.
Released for 7 CSCs: ATT, CCT, CHA, TMB, TMK, XAA, XMT
Source: Samsung
