Samsung Galaxy Z Flip5

Firmware is specific to the model code. Find yours on the box or in Settings › About phone, then pick it below.

ModelSold inFirmwareLatest build

SM-F731BSold in58 countriesFirmware105 CSCs · 4,461 buildsLatest buildF731BXXS7GZI1 · Sep 7, 2026→

One UI and Android versions of the Galaxy Z Flip5, with the first release of each.

1. Sep 2026

   Android 17

   First firmware build: F731NKSU6HZIJ (SM-F731N)

2. May 2026

   One UI 8.5 · Android 16

   Official release: F731BXXU6GZE3 (SM-F731B)

3. Oct 2025

   One UI 8 · Android 16

   Official release: F731BXXU5FYI9 (SM-F731B)

4. Apr 2025

   One UI 7 · Android 15

   Official release: F731USQU6EYD9 (SM-F731U)

5. Mar 2024

   One UI 6.1 · Android 14

   Official release: F7310ZSU2CXCJ (SM-F7310)

6. Nov 2023

   One UI 6 · Android 14

   Official release: F731BXXU1BWK9 (SM-F731B)

As published by Samsung for the SM-F731B; other model codes can differ (chipset, network bands).

Sold in 74 countries.