F741U1UES4DZF2 – Galaxy Z Flip6 firmware
Build F741U1UES4DZF2 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 Jun 21, 2026 (method) and has reached
14 regions so far. It keeps bootloader bit 4, so downgrading to the previous build F741U1UES4DZE1 is still possible. Samsung still serves this file.
- Model
- SM-F741U1
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 4
- First released
- Jun 21, 2026
- Regions
- 14
Rollout timeline by region
The date each region code (CSC) first received F741U1UES4DZF2, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
TMB | USA (T-Mobile) | Jun 21, 2026 | day 0 | F741U1UES4DZF2/F741U1OYM4DZF2/F741U1UES4DZF2 |
TMK | USA (MetroPCS) | Jun 21, 2026 | day 0 | F741U1UES4DZF2/F741U1OYM4DZF2/F741U1UES4DZF2 |
ATT | USA (AT&T) | Jun 21, 2026 | day 0 | F741U1UES4DZF2/F741U1OYM4DZF2/F741U1UES4DZF2 |
LRA | USA (Bluegrass) | Jun 21, 2026 | day 0 | F741U1UES4DZF2/F741U1OYM4DZF2/F741U1UES4DZF2 |
TFN | USA (TracFone) | Jun 21, 2026 | day 0 | F741U1UES4DZF2/F741U1OYM4DZF2/F741U1UES4DZF2 |
USC | USA (US Cellular) | Jun 21, 2026 | day 0 | F741U1UES4DZF2/F741U1OYM4DZF2/F741U1UES4DZF2 |
VZW | USA (Verizon) | Jun 21, 2026 | day 0 | F741U1UES4DZF2/F741U1OYM4DZF2/F741U1UES4DZF2 |
XAA | USA (unlocked) | Jun 21, 2026 | day 0 | F741U1UES4DZF2/F741U1OYM4DZF2/F741U1UES4DZF2 |
XAR | USA (Cellular South) | Jun 21, 2026 | day 0 | F741U1UES4DZF2/F741U1OYM4DZF2/F741U1UES4DZF2 |
ACG | USA (C Spire) | Jun 21, 2026 | day 0 | F741U1UES4DZF2/F741U1OYM4DZF2/F741U1UES4DZF2 |
AIO | USA (Cricket) | Jun 21, 2026 | day 0 | F741U1UES4DZF2/F741U1OYM4DZF2/F741U1UES4DZF2 |
DSA | USA | Jun 22, 2026 | +1 day | F741U1UES4DZF2/F741U1OYM4DZF2/F741U1UES4DZF2 |
DSH | USA | Jun 22, 2026 | +1 day | F741U1UES4DZF2/F741U1OYM4DZF2/F741U1UES4DZF2 |
CCT | USA (Comcast) | Jun 22, 2026 | +1 day | F741U1UES4DZF2/F741U1OYM4DZF2/F741U1UES4DZF2 |
Download and release notes
samloader download -m SM-F741U1 -r XAA -v F741U1UES4DZF2/F741U1OYM4DZF2/F741U1UES4DZF2
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 F741U1UES4DZF2.