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Samsung Galaxy Tab Active4 Pro 5G (SM-T638U) Android 15 Firmware (T638UUESAEZB4) – USA | SamFrew

Home / Firmware / SM-T638U / ATT

Galaxy Tab Active4 Pro 5G

SM-T638U Firmware

Latest firmware

PDAT638UUESAEZB4

ATTAndroid 15Released 2/14/2026

Firmware details

Technical package info

Key identifiers and package metadata for this release.

PDA: T638UUESAEZB4
CSC: T638UOYMAEZB4
Country: USA
Changelist: 31154426
Upload date: 3/23/2026
Package size: 6.0 GB (6484765760 bytes)
File name: ATT-T638UUESAEZB4-20260323133628.zip

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Package size6.0 GB

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ATT CSC Breakdown

Network ID

NW00156

Network Name

Anritsu

Network Country

Network Bands

any

Network ID

NW00167

Network Name

AT&T Mobility

Network Country

United States of America

Network Bands

GSM 1900

Network ID

NW02038

Network Name

AT&T Mobility

Network Country

United States of America

Network Bands

GSM 850 / GSM 1900 / UMTS 850 / UMTS 1900 / LTE 700 / LTE 850 / LTE 1700 / LTE 1900 / LTE 2300 / 5G 850 / 5G 3700 / 5G 39000

Network ID

NW00168

Network Name

AT&T FirstNet

Network Country

United States of America

Network Bands

LTE 700