F766USQUCCZIH – Galaxy Z Flip7 firmware

Build F766USQUCCZIH is a feature update for the Galaxy Z Flip7 (SM-F766U) on Android 17 (One UI 9). It first appeared on Samsung's servers on Oct 1, 2026 (method) and has reached 7 regions so far. It keeps bootloader bit 12, so downgrading to the previous build F766USQSCBZH3 is still possible. Samsung still serves this file.

Model
SM-F766U
Android
Android 17
Type
Feature
Bootloader bit
12
First released
Oct 1, 2026
Regions
7

Rollout timeline by region

The date each region code (CSC) first received F766USQUCCZIH, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
ATTUSA (AT&T)Oct 1, 2026day 0F766USQUCCZIH/F766UOYNCCZIH/F766USQUCCZIH
USCUSA (US Cellular)Oct 5, 2026+4 daysF766USQUCCZIH/F766UOYNCCZIH/F766USQUCCZIH
VZWUSA (Verizon)Oct 5, 2026+4 daysF766USQUCCZIH/F766UOYNCCZIH/F766USQUCCZIH
TMBUSA (T-Mobile)Oct 5, 2026+4 daysF766USQUCCZIH/F766UOYNCCZIH/F766USQUCCZIH
TMKUSA (MetroPCS)Oct 5, 2026+4 daysF766USQUCCZIH/F766UOYNCCZIH/F766USQUCCZIH
XAAUSA (unlocked)Oct 6, 2026+5 daysF766USQUCCZIH/F766UOYNCCZIH/F766USQUCCZIH
CCTUSA (Comcast)Oct 6, 2026+5 daysF766USQUCCZIH/F766UOYNCCZIH/F766USQUCCZIH

Download and release notes

samloader download -m SM-F766U -r XAA -v F766USQUCCZIH/F766UOYNCCZIH/F766USQUCCZIH

Samsung's release notes and security patch level for this update: SM-F766U / XAA on doc.samsungmobile.com. What each part of the build number means: decode F766USQUCCZIH.