G977UUCS9HWD1 – Galaxy S10 5G firmware
Build G977UUCS9HWD1 is a security update for the Galaxy S10 5G (SM-G977U)
on Android 12 (One UI 4). It first appeared on Samsung's servers on May 11, 2023 (method) and has reached
1 region so far. It keeps bootloader bit 9, so downgrading to the previous build G977UVRSAHWD1 is still possible. Samsung still serves this file.
- Model
- SM-G977U
- Android
- Android 12
- Type
- Security
- Bootloader bit
- 9
- First released
- May 11, 2023
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received G977UUCS9HWD1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
ATT | USA (AT&T) | May 11, 2023 | day 0 | G977UUCS9HWD1/G977UATT9HWD1/G977UUCS9YWD1 |
Download and release notes
samloader download -m SM-G977U -r ATT -v G977UUCS9HWD1/G977UATT9HWD1/G977UUCS9YWD1Samsung's release notes and security patch level for this update: SM-G977U / ATT on doc.samsungmobile.com. What each part of the build number means: decode G977UUCS9HWD1.