Samsung Galaxy S24 (SM-S921B) Android 15 firmware update S921BXXS9BYH3 – Mexico | SamFrew

Galaxy S24

SM-S921B

Firmware S921BXXS9BYH3

Mexico · MXOAndroid 15Built Aug 1, 2025

Release information

Firmware identifiers

The software versions and region covered by this firmware update.

PDA: S921BXXS9BYH3
CSC: S921BOWO9BYH3
Country: Mexico
Changelist: 30959686
Build date: Aug 1, 2025
Upload date: Aug 21, 2025
File name: SM-S921B_2_20250806231741_hfn2txajav_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: Aug 1, 2025
Bootloader: 9
Chipset: Exynos 2400
Codename: e1s
Launched with: Android 14
Apps: 64-bit only
Vendor base: Android 14
Build number: AP3A.240905.015.A2.S921BXXS9BYH3
Kernel: 6.1.93-android14-11

Supported networks

Mexico · CSC MXO · 10 carriers in 1 country

What is CSC?

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

ALESTRA SERVICIOS MÓVILES, S.A. DE C.V.

MCCMNC334130NWIDNW01949

ALESTRA SERVICIOS MÓVILES, S.A. DE C.V.

MCCMNC334130NWIDNW02027

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

Maxcom Telecomunicaciones, S.A.B. de C.V.MVNO

MCCMNC334110NWIDNW02090

MovistarMVNO

MCCMNC334030NWIDNW00780

Telefónica

movistar MX

MCCMNC33403NWIDNW00780

Red Compartida

MCCMNC334140NWIDNW01645

Altán Redes S.A.P.I. de C.V.

LTE 700

Telcel

MCCMNC334020NWIDNW01223

América Móvil

5G 3500LTE 850LTE 1700LTE 2600UMTS 850UMTS 1900GSM 1900

Telcel

MCCMNC334020NWIDNW01652

América Móvil

5G 3500LTE 850LTE 1700LTE 2600UMTS 850UMTS 1900GSM 1900

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

MCCMNC334160NWIDNW02219

Unefon

MCCMNC334070NWIDNW02246

AT&T Mexico