Home / Firmware / SM-M556B / MXD

Firmware M556BXXS4BYH2

Device Galaxy M55 5G

Model SM-M556B

Region MXD

Country Mexico

OS Android 15

Release Date 8/1/2025

Upload Date 8/26/2025

PDA M556BXXS4BYH2

CSC M556BOWO4BYH2

Changelist 31154426

Size 8021852112 bytes (approx. 7.5 GB)

MXD CSC Breakdown

Network ID

NW00614

Network Name

Iusacell

Network Country

Mexico

Network Bands

UMTS 850 / UMTS 1900 / UMTS 1700 / LTE 850 / LTE 1700 / LTE 2600 / TD-LTE 2600 / 5G 2600 / 5G 3500

Network ID

NW00855

Network Name

Nextel

Network Country

Mexico

Network Bands

UMTS 1700 / LTE 850 / LTE 1700

Network ID

NW00780

Network Name

movistar MX

Network ID

NW01223

Network Name

TELCEL

Network Country

Mexico

Network Bands

UMTS 850 / UMTS 1900 / LTE 850 / LTE 1700 / LTE 2600 / 5G

Network ID

NW01645

Network Name

ALTAN

Network Country

Mexico

Network Bands

LTE 700

Network ID

NW02090

Network Name

YOBI

Network Country

Mexico

Network Bands

MVNO

Network ID

NW01652

Network Name

AZTECA MOVIL

Network Country

Mexico

Network Bands

UMTS 850 / UMTS 1900 / LTE 850 / LTE 1700 / LTE 2600 / 5G

Network ID

NW01949

Network Name

AIRBUS

Network Country

Mexico

Network Bands

Unknown

Network ID

NW02027

Network Name

AXTEL

Network Country

Mexico

Network Bands

Unknown

Network ID

NW02219

Network Name

IZZI

Network Country

Mexico

Network Bands

Unknown

Network ID

NW02246

Network Name

AT&T IoT

Network Country

Mexico

Network Bands

Unknown

Network ID

NW01140

Network Name

SKY

Network Country

Mexico

Network Bands

UMTS 850 / UMTS 1900 / UMTS 1700 / LTE 850 / LTE 1700 / LTE 2600 / TD-LTE 2600 / 5G 2600 / 5G 3500

Network ID

NW02313

Network Name

Mega

Network Country

Mexico

Network Bands

UMTS 850 / UMTS 1900 / UMTS 1700 / LTE 850 / LTE 1700 / LTE 2600 / TD-LTE 2600 / 5G 2600 / 5G 3500

Network ID

NW02241

Network Name

Ubix

Network Country

Mexico

Network Bands

UMTS 850 / UMTS 1900 / UMTS 1700 / LTE 850 / LTE 1700 / LTE 2600 / TD-LTE 2600 / 5G 2600 / 5G 3500

Network ID

NW02303

Network Name

NeWWW

Network Country

Mexico

Network Bands

UMTS 850 / UMTS 1900 / UMTS 1700 / LTE 850 / LTE 1700 / LTE 2600 / TD-LTE 2600 / 5G 2600 / 5G 3500

Network ID

NW02314

Network Name

Yo Mobile

Network Country

Mexico

Network Bands

UMTS 850 / UMTS 1900 / UMTS 1700 / LTE 850 / LTE 1700 / LTE 2600 / TD-LTE 2600 / 5G 2600 / 5G 3500

Network ID

NW02365

Network Name

WIM

Network Country

Mexico

Network Bands

UMTS 850 / UMTS 1900 / UMTS 1700 / LTE 850 / LTE 1700 / LTE 2600 / TD-LTE 2600 / 5G 2600 / 5G 3500