The latest firmware for Samsung Galaxy Z Fold8 Ultra (SM-F976N) is F976NKSS4AZK1 with Android 17, released on November 3, 2026 for 4 regions (CSC). Every official firmware build for SM-F976N, 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/F976NKSS4AZK1
All 8 builds in our database run Android 17. The newest build, F976NKSS4AZK1, was released on November 3, 2026. Over the last 12 months SM-F976N received 8 builds, spread over 6 different months.
Specifications of SM-F976B, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

SM-F976W

SM-F971W

SM-F968U

SM-F966U

SM-F776B
The newest firmware for SM-F976N runs Android 17: build F976NKSS4AZK1, released on November 3, 2026.
The latest build for SM-F976N, F976NKSS4AZK1, was released on November 3, 2026 (12 days ago).
Over the last 12 months SM-F976N received 8 builds, with at least one new build in 6 different months.
Yes, all firmware files for SM-F976N are 100% official, original, and obtained directly from Samsung servers.
To flash SM-F976N, 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-F976N.
Yes. Every build on this page is the official stock ROM for SM-F976N from Samsung's update server, the same package other sites call the flash file or the software update. It installs with Odin on a Windows PC.
No. Factory Reset Protection is tied to the Google account that was on the phone and survives a firmware flash. Sign in with that account or use the legal options in our FRP guide.