Samsung Galaxy S24 (SM-S921B) Android 15 firmware update S921BXXS8BYG3 – Mexico | SamFrew

Galaxy S24

SM-S921B

Firmware S921BXXS8BYG3

Mexico · IUSAndroid 15Built Jul 3, 2025

Release information

Firmware identifiers

The software versions and region covered by this firmware update.

PDA: S921BXXS8BYG3
CSC: S921BOWO8BYG3
Country: Mexico
Changelist: 30959686
Build date: Jul 3, 2025
Upload date: Jul 16, 2025
File name: SM-S921B_2_20250708113501_1btud0v994_fac.zip

Inside the firmware

Software details

Read from the build properties and kernel of this firmware.

One UI: 7.0
Android: 15 (API 35)
Security patch: Jul 1, 2025
Bootloader: 8
Chipset: Exynos 2400
Codename: e1s
Launched with: Android 14
Apps: 64-bit only
Vendor base: Android 14
Build number: AP3A.240905.015.A2.S921BXXS8BYG3
Kernel: 6.1.93-android14-11

Supported networks

Mexico · CSC IUS · 4 carriers in 1 country

What is CSC?

CSC is Samsung's region and carrier customization. The networks below are included in this release.

AT&T

MCCMNC334090NWIDNW00855

AT&T Mexico

LTE 850LTE 1700UMTS 1700

AT&T / Unefon

MCCMNC334050NWIDNW00614

AT&T Mexico

5G 2600LTE 850LTE 1700LTE 2600TD-LTE 2600UMTS 850UMTS 1900UMTS 1700

AT&T / Unefon

MCCMNC334050NWIDNW01140

AT&T Mexico

5G 2600LTE 850LTE 1700LTE 2600TD-LTE 2600UMTS 850UMTS 1900UMTS 1700

AT&T / Unefon

MCCMNC334050NWIDNW02313

AT&T Mexico

5G 2600LTE 850LTE 1700LTE 2600TD-LTE 2600UMTS 850UMTS 1900UMTS 1700

AT&T / Unefon

MCCMNC334050NWIDNW02241

AT&T Mexico

5G 2600LTE 850LTE 1700LTE 2600TD-LTE 2600UMTS 850UMTS 1900UMTS 1700

AT&T / Unefon

MCCMNC334050NWIDNW02303

AT&T Mexico

5G 2600LTE 850LTE 1700LTE 2600TD-LTE 2600UMTS 850UMTS 1900UMTS 1700

AT&T / Unefon

MCCMNC334050NWIDNW02314

AT&T Mexico

5G 2600LTE 850LTE 1700LTE 2600TD-LTE 2600UMTS 850UMTS 1900UMTS 1700

AT&T / Unefon

MCCMNC334050NWIDNW02365

AT&T Mexico

5G 2600LTE 850LTE 1700LTE 2600TD-LTE 2600UMTS 850UMTS 1900UMTS 1700

Televisión Internacional, S.A. de C.V.

MCCMNC334160NWIDNW02219

Unefon

MCCMNC334070NWIDNW02246

AT&T Mexico