SamFware

Download the firmware flash for GALAXY S23 ULTRA with the code is SM-S918U. This firmware for the region with CSC code is TMB (TMB - United states). 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 S918USQU8GZIF and Android version is 17. This firmware size is 11.3 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 S23 ULTRA

Model Number

SM-S918U

Product Brand

SAMSUNG

Android OS

17

AP Version (PDA)

S918USQU8GZIF

CSC Version

S918UOYN8GZIF

CSC Country Code

TMB (United states)

Binary Level (BIT/U)

8

Build Date

2026-09-29

File Size

11.3 GB

Download Official Samsung Firmware: This firmware package includes the latest Android OS update, security patches, and system improvements for GALAXY S23 ULTRA model SM-S918U. Compatible with CSC code TMB region. Flash using Odin tool for Samsung devices. Always backup your data before updating firmware.