Download the latest Samsung firmware ✅ csc ⭐ G998UOYN4AUIN. Full list of firmwares available for download
| Device | Model | Region | PDA/AP Version | CSC Version | MODEM/CP Version | Os Version | Build Date | ||
|---|---|---|---|---|---|---|---|---|---|
| Samsung Galaxy S21 Ultra 5G | SM-G998U | USC | G998USQS4AUIN | G998UOYN4AUIN | G998USQS4AUIN | 11 | |||
| Samsung Galaxy S21 Ultra 5G | SM-G998U | VZW | G998USQS4AUIN | G998UOYN4AUIN | G998USQS4AUIN | 11 | |||
| Samsung Galaxy S21 Ultra 5G | SM-G998U | CHA | G998USQS4AUIN | G998UOYN4AUIN | G998USQS4AUIN | 11 | |||
| Samsung Galaxy S21 Ultra 5G | SM-G998U | CCT | G998USQS4AUIN | G998UOYN4AUIN | G998USQS4AUIN | 11 |
We recommend using Samsung’s own utilities, Samsung Smart Switch and OTA (Over-the-air), to upgrade devices. Use our site only if you are 100% sure about the risks involved in flashing your device csc: G998UOYN4AUIN. We is not responsible for any damage caused by using the files on this website.
The Firmwares provided here are all official Samsung's Android Firmwares and has NOT been modified by anyway as we get them directly from KIES servers.
We live-monitor all firmware updates for every Samsung device, in over 500 regions.
Beware, Manually flashing firmwares may brick your device, use it at your own risk and follow our tutorial steps.