S921BXXUIEZJD – Galaxy S24 firmware
Build S921BXXUIEZJD is a feature update for the Galaxy S24 (SM-S921B)
on Android 17 (One UI 9). It first appeared on Samsung's servers on Nov 12, 2026 (method) and has reached
1 region so far. It keeps bootloader bit 18, so downgrading to the previous build S921BXXSIEZJ1 is still possible. Samsung still serves this file.
- Model
- SM-S921B
- Android
- Android 17
- Type
- Feature
- Bootloader bit
- 18
- First released
- Nov 12, 2026
- Regions
- 1
Not yet released in 94 regions that are still on an older build: ACR, AFG, AFR, ARO, BOG, BVO, CAU, CDR, CGU, CHE, CHL, CHO, CHT, CHX and 80 more.
Rollout timeline by region
The date each region code (CSC) first received S921BXXUIEZJD, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
EUY | Europe (Multi-CSC) | Nov 12, 2026 | day 0 | S921BXXUIEZJD/S921BOXMIEZJD/S921BXXUIEZJB |
Download and release notes
samloader download -m SM-S921B -r EUY -v S921BXXUIEZJD/S921BOXMIEZJD/S921BXXUIEZJBSamsung's release notes and security patch level for this update: SM-S921B / EUY on doc.samsungmobile.com. What each part of the build number means: decode S921BXXUIEZJD.