G977BXXSDHWA4 – Galaxy S10 5G firmware

Build G977BXXSDHWA4 is a security update for the Galaxy S10 5G (SM-G977B) on Android 12 (One UI 4). It first appeared on Samsung's servers on Jan 19, 2023 (method) and has reached 5 regions so far. It keeps bootloader bit 13, so downgrading to the previous build G977BXXSDHWA3 is still possible. Samsung still serves this file.

Model
SM-G977B
Android
Android 12
Type
Security
Bootloader bit
13
First released
Jan 19, 2023
Regions
5

Rollout timeline by region

The date each region code (CSC) first received G977BXXSDHWA4, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
ATLSpain (Vodafone)Jan 19, 2023day 0G977BXXSDHWA4/G977BOVFDHVK1/G977BXXUDHVK1
DTMGermany (Telekom)Jan 19, 2023day 0G977BXXSDHWA4/G977BODXDHVJ4/G977BXXUDHVK1
OMNItaly (Vodafone)Jan 19, 2023day 0G977BXXSDHWA4/G977BOVFDHVK1/G977BXXUDHVK1
VD2Germany (Vodafone)Jan 19, 2023day 0G977BXXSDHWA4/G977BOVFDHVK1/G977BXXUDHVK1
VODUnited Kingdom (Vodafone)Jan 19, 2023day 0G977BXXSDHWA4/G977BOVFDHVK1/G977BXXUDHVK1

Download and release notes

samloader download -m SM-G977B -r ATL -v G977BXXSDHWA4/G977BOVFDHVK1/G977BXXUDHVK1

Samsung's release notes and security patch level for this update: SM-G977B / ATL on doc.samsungmobile.com. What each part of the build number means: decode G977BXXSDHWA4.