SM-A266M Firmware

PDAA266MUBS7BZA3

GTOAndroid 16Released 1/12/2026

Firmware details

Technical package info

Key identifiers and package metadata for this release.

PDA: A266MUBS7BZA3
CSC: A266MOWO7BZA3
Country: GUATEMALA
Changelist: 31998945
Upload date: 1/20/2026
Package size: 7.8 GB (8344161808 bytes)
File name: GTO-A266MUBS7BZA3-20260120144628.zip

Networks supported by this firmware

GUATEMALACSC code GTO70 carriers in 31 countries

What is CSC?

CSC stands for Consumer Software Customization (sometimes "Country Sales Code"). Samsung firmware ships with carrier- and region-specific configs; the networks listed below are what this CSC was built to support out of the box.

Claro

MCCMNC70401NWIDNW00310

Telecomunicaciones de Guatemala, S.A.

5G 3500LTE 1900UMTS 1900GSM 900CDMA 1900

Claro

MCCMNC70403NWIDNW00779

Telecomunicaciones de Guatemala, S.A.

LTE 1900UMTS 1900GSM 1900CDMA 1900

movistar GT

MCCMNC704030NWIDNW00779

Tigo

MCCMNC70402NWIDNW01307

Millicom / Local partners

5G 3500LTE 850UMTS 850GSM 850TDMA 800

Roaming partners (91)

FLOW

MCCMNC365840NWIDNW00339

Cable & Wireless

LTE 700UMTS 850UMTS 1900

APUA inet

MCCMNC34403NWIDNW02383

FLOW

MCCMNC344920NWIDNW00339

Cable & Wireless Caribbean Cellular (Antigua) Limited

LTE 1700UMTS 850

Digicel

MCCMNC36302NWIDNW00391

Digicel Aruba