Samsung Galaxy Z Fold8
The latest firmware for Samsung Galaxy Z Fold8 (SM-F971U1) is F971U1UES3AZIL with Android 17, released on October 6, 2026 for 16 regions (CSC). Every official firmware build for SM-F971U1, newest first: one row per build with all regions (CSC) that received it.
Each firmware build has its own page at https://samfirm.shop/build/{PDA}, where {PDA} is the build number from the list above. Example: https://samfirm.shop/build/F971U1UES3AZIL
All 6 builds in our database run Android 17. The newest build, F971U1UES3AZIL, was released on October 6, 2026 with the October 2026 security patch. Over the last 12 months SM-F971U1 received 6 builds, spread over 5 different months.
Specifications of SM-F971B, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.
• Security
The device is protected with improved security.
These changes may vary depending on the model, country, or network operator of the customer environment.
• 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.
• 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.
• Security
The device is protected with improved security.
These changes may vary depending on the model, country, or network operator of the customer environment.
• Stability and reliability
Device behavior has been improved.
These changes may vary depending on the model, country, or network operator of the customer environment.

SM-F976W

SM-F971W

SM-F976B

SM-F971B

SM-F776B

SM-F776W

SM-F968U

SM-F9680
The newest firmware for SM-F971U1 runs Android 17: build F971U1UES3AZIL, released on October 6, 2026.
The latest build for SM-F971U1, F971U1UES3AZIL, was released on October 6, 2026 (19 days ago).
Over the last 12 months SM-F971U1 received 6 builds, with at least one new build in 5 different months.
Yes, all firmware files for SM-F971U1 are 100% official, original, and obtained directly from Samsung servers.
To flash SM-F971U1, you need to download the appropriate firmware, put your device into Download Mode, and use the Odin tool to load the BL, AP, CP, and CSC files.
Downgrading is only possible if the bootloader version (binary bit) of the old firmware matches the current one. Always check the binary version before flashing SM-F971U1.