G977BXXSEHWC2 – Galaxy S10 5G firmware

Build G977BXXSEHWC2 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 Apr 16, 2023 (method) and has reached 5 regions so far. It keeps bootloader bit 14, so downgrading to the previous build G977BXXSEHWC1 is still possible. Samsung still serves this file.

Model
SM-G977B
Android
Android 12
Type
Security
Bootloader bit
14
First released
Apr 16, 2023
Regions
5

Not yet released in 5 regions that are still on an older build: AUT, NEE, O2U, OPS, TEL.

Rollout timeline by region

The date each region code (CSC) first received G977BXXSEHWC2, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
ATLSpain (Vodafone)Apr 16, 2023day 0G977BXXSEHWC2/G977BOVFEHWC2/G977BXXSEHWC2
DTMGermany (Telekom)Apr 16, 2023day 0G977BXXSEHWC2/G977BODXEHWC1/G977BXXSEHWC2
OMNItaly (Vodafone)Apr 16, 2023day 0G977BXXSEHWC2/G977BOVFEHWC2/G977BXXSEHWC2
VD2Germany (Vodafone)Apr 16, 2023day 0G977BXXSEHWC2/G977BOVFEHWC2/G977BXXSEHWC2
VODUnited Kingdom (Vodafone)Oct 6, 2024+539 daysG977BXXSEHWC2/G977BOVFEHWC2/G977BXXSEHWC2

Download and release notes

samloader download -m SM-G977B -r ATL -v G977BXXSEHWC2/G977BOVFEHWC2/G977BXXSEHWC2

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 G977BXXSEHWC2.