SamFware

Download the firmware flash for GALAXY S26 ULTRA with the code is SM-S948B. This firmware for the region with CSC code is CTU (CTU - Uruguay). Please make sure the code is correct. You can check model code in Setting - About, in Download mode or you can find it by flipping your phone or among the things you found in the box. This product PDA version is S948BXXU4BZI6 and Android version is 17. This firmware size is 18.9 GB.

This firmware is official from the Samsung Cloud Server. Of course, we recommend you use using official Samsung tool like Samsung Smart Switch or Samsung Kies. SamFware.com will not be responsible for any damage caused by using the files on this website.

Samsung Firmware Details & Specifications

Device Name

GALAXY S26 ULTRA

Model Number

SM-S948B

Product Brand

SAMSUNG

Android OS

17

AP Version (PDA)

S948BXXU4BZI6

CSC Version

S948BOWO4BZI6

CSC Country Code

CTU (Uruguay)

Binary Level (BIT/U)

4

Build Date

2026-09-08

File Size

18.9 GB

Download Official Samsung Firmware: This firmware package includes the latest Android OS update, security patches, and system improvements for GALAXY S26 ULTRA model SM-S948B. Compatible with CSC code CTU region. Flash using Odin tool for Samsung devices. Always backup your data before updating firmware.