SM-A166U1 Firmware

PDAA166U1UES2BYF3

DSAAndroid 15Released 6/16/2025

Firmware details

Technical package info

Key identifiers and package metadata for this release.

PDA: A166U1UES2BYF3
CSC: A166U1OYM2BYF3
Country: USA
Changelist: 31154426
Upload date: 7/1/2025
Package size: 5.9 GB (6345066032 bytes)
File name: DSA-A166U1UES2BYF3-20250701200740.zip

Networks supported by this firmware

USACSC code DSA4 carriers in 1 country

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.

AT&T

MCCMNC310410NWIDNW02088

AT&T Mobility

5G 8505G 37005G 39000LTE 700LTE 850LTE 1700LTE 1900LTE 2300UMTS 850UMTS 1900GSM 850GSM 1900

AT&T

MCCMNC311180NWIDNW02088

AT&T Mobility

UMTS 850UMTS 1900GSM 850

Roaming partners (2)

Internal use

MCCMNC99999NWIDNW02088

TEST

MCCMNC00101NWIDNW00156

Test network