F741U1UES4DZH5 – Galaxy Z Flip6 firmware
Build F741U1UES4DZH5 is a security update for the Galaxy Z Flip6 (SM-F741U1)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Aug 31, 2026 (method) and has reached
14 regions so far. It keeps bootloader bit 4, so downgrading to the previous build F741U1UES4DZG3 is still possible. Samsung still serves this file.
- Model
- SM-F741U1
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 4
- First released
- Aug 31, 2026
- Regions
- 14
Rollout timeline by region
The date each region code (CSC) first received F741U1UES4DZH5, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
ACG | USA (C Spire) | Aug 31, 2026 | day 0 | F741U1UES4DZH5/F741U1OYM4DZH5/F741U1UES4DZH5 |
LRA | USA (Bluegrass) | Aug 31, 2026 | day 0 | F741U1UES4DZH5/F741U1OYM4DZH5/F741U1UES4DZH5 |
TFN | USA (TracFone) | Aug 31, 2026 | day 0 | F741U1UES4DZH5/F741U1OYM4DZH5/F741U1UES4DZH5 |
TMB | USA (T-Mobile) | Aug 31, 2026 | day 0 | F741U1UES4DZH5/F741U1OYM4DZH5/F741U1UES4DZH5 |
TMK | USA (MetroPCS) | Aug 31, 2026 | day 0 | F741U1UES4DZH5/F741U1OYM4DZH5/F741U1UES4DZH5 |
USC | USA (US Cellular) | Aug 31, 2026 | day 0 | F741U1UES4DZH5/F741U1OYM4DZH5/F741U1UES4DZH5 |
VZW | USA (Verizon) | Aug 31, 2026 | day 0 | F741U1UES4DZH5/F741U1OYM4DZH5/F741U1UES4DZH5 |
XAR | USA (Cellular South) | Aug 31, 2026 | day 0 | F741U1UES4DZH5/F741U1OYM4DZH5/F741U1UES4DZH5 |
XAA | USA (unlocked) | Aug 31, 2026 | day 0 | F741U1UES4DZH5/F741U1OYM4DZH5/F741U1UES4DZH5 |
AIO | USA (Cricket) | Aug 31, 2026 | day 0 | F741U1UES4DZH5/F741U1OYM4DZH5/F741U1UES4DZH5 |
ATT | USA (AT&T) | Aug 31, 2026 | day 0 | F741U1UES4DZH5/F741U1OYM4DZH5/F741U1UES4DZH5 |
DSH | USA | Sep 1, 2026 | +1 day | F741U1UES4DZH5/F741U1OYM4DZH5/F741U1UES4DZH5 |
DSA | USA | Sep 1, 2026 | +1 day | F741U1UES4DZH5/F741U1OYM4DZH5/F741U1UES4DZH5 |
CCT | USA (Comcast) | Sep 1, 2026 | +1 day | F741U1UES4DZH5/F741U1OYM4DZH5/F741U1UES4DZH5 |
Download and release notes
samloader download -m SM-F741U1 -r XAA -v F741U1UES4DZH5/F741U1OYM4DZH5/F741U1UES4DZH5
Samsung's release notes and security patch level for this update: SM-F741U1 / XAA on doc.samsungmobile.com. What each part of the build number means: decode F741U1UES4DZH5.