G990U2SQSLIZF2 – Galaxy S21 FE 5G firmware
Build G990U2SQSLIZF2 is a security update for the Galaxy S21 FE 5G (SM-G990U2)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Jun 30, 2026 (method) and has reached
9 regions so far. It keeps bootloader bit 21, so downgrading to the previous build G990U2SQSLIZE3 is still possible. Samsung still serves this file.
- Model
- SM-G990U2
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 21
- First released
- Jun 30, 2026
- Regions
- 9
Rollout timeline by region
The date each region code (CSC) first received G990U2SQSLIZF2, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
AIO | USA (Cricket) | Jun 30, 2026 | day 0 | G990U2SQSLIZF2/G990U2OYNLIZF2/G990U2SQSLIZF2 |
ATT | USA (AT&T) | Jun 30, 2026 | day 0 | G990U2SQSLIZF2/G990U2OYNLIZF2/G990U2SQSLIZF2 |
DSA | USA | Jun 30, 2026 | day 0 | G990U2SQSLIZF2/G990U2OYNLIZF2/G990U2SQSLIZF2 |
DSH | USA | Jun 30, 2026 | day 0 | G990U2SQSLIZF2/G990U2OYNLIZF2/G990U2SQSLIZF2 |
VZW | USA (Verizon) | Jun 30, 2026 | day 0 | G990U2SQSLIZF2/G990U2OYNLIZF2/G990U2SQSLIZF2 |
TMK | USA (MetroPCS) | Jul 1, 2026 | +1 day | G990U2SQSLIZF2/G990U2OYNLIZF2/G990U2SQSLIZF2 |
TMB | USA (T-Mobile) | Jul 1, 2026 | +1 day | G990U2SQSLIZF2/G990U2OYNLIZF2/G990U2SQSLIZF2 |
USC | USA (US Cellular) | Jul 2, 2026 | +2 days | G990U2SQSLIZF2/G990U2OYNLIZF2/G990U2SQSLIZF2 |
CCT | USA (Comcast) | Jul 13, 2026 | +13 days | G990U2SQSLIZF2/G990U2OYNLIZF2/G990U2SQSLIZF2 |
Download and release notes
samloader download -m SM-G990U2 -r AIO -v G990U2SQSLIZF2/G990U2OYNLIZF2/G990U2SQSLIZF2
Samsung's release notes and security patch level for this update: SM-G990U2 / AIO on doc.samsungmobile.com. What each part of the build number means: decode G990U2SQSLIZF2.