✅ Verified Official ROM
🔒 Scanned for Malware
📥 Direct Download
🆓 100% Free
Download the latest Samsung Galaxy S21 Ultra 5G SM-G998U1 firmware (Stock ROM) to fix bootloop and unbrick your device. This file contains the Flashing Utility, USB Driver, and visual instructions. File Size: 6.62 GB.
Get Samsung Galaxy S21 Ultra 5G SM-G998U1 Stock Firmware
| 📄 File Name | SM-G998U1_G998U1UES5DWA4_G998U1OWA5DVL2_PCT_4file(Flash-Files.Net).zip |
| 📱 Device Model | Samsung Galaxy S21 Ultra 5G SM-G998U1 |
| ⚙️ OS | 13 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 File Size | 6.62 GB |
| ⚡ Flash Tool | |
| 📥 Download | |
| 📄 File Name | SM-G998U1_G998U1UES5EWB5_G998U1OYM5EWB5_XAR_4file(Flash-Files.Net).zip |
| ⚙️ OS | 13 |
| 🔧 Flash Method | Guide How to Flash Firmware |
| 📦 Size | 6.82 GB |
| ⚡ Tool | |
| 📥 Mirrors | |
| 📄 File Name | SM-G998U1_G998U1UES7EWE3_G998U1OWA7EWE3_PCT_4file(Flash-Files.Net).zip |
| ⚙️ OS | 13 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 File Size | 6.8 GB |
| ⚡ Flash Tool | |
| 📥 Mirrors | |
| 📄 File Name | SM-G998U1_G998U1UEU8EWF6_G998U1OWA8EWF6_PCT_4file(Flash-Files.Net).zip |
| ⚙️ Android Version | 13 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 Size | 6.8 GB |
| ⚡ Flash Tool | |
| 📥 Mirrors | |
| 📄 Package Name | SM-G998U1_G998U1UES9EWI3_G998U1OWA9EWI2_PCT_4file(Flash-Files.Net).zip |
| ⚙️ Android Version | 13 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 File Size | 6.84 GB |
| ⚡ Tool | |
| 📥 Download | |
| 📄 File Name | SM-G998U1_G998U1UESBGXE2_G998U1OWABGXE1_PCT_4file(Flash-Files.Net).zip |
| ⚙️ OS | 14 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 Size | 7.50 GB |
| ⚡ Tool | |
| 📥 Mirrors | |
| 📄 File Name | SM-G998U1_G998U1UEU9FWL3_G998U1OYM9FWL3_XAR_4file(Flash-Files.Net).zip |
| ⚙️ OS | 14 |
| 🔧 Flash Method | Guide How to Flash Firmware |
| 📦 File Size | 7.23 GB |
| ⚡ Flash Tool | |
| 📥 Mirrors | |
| 📄 Package Name | SM-G998U_G998USQSAFXC2_G998UOYNAFXC2_SPR_5file(Flash-Files.Net).zip |
| ⚙️ Android Version | 14 |
| 🔧 Flash Method | Guide How to Flash Firmware |
| 📦 File Size | 7.63 GB |
| ⚡ Flash Tool | |
| 📥 Mirrors | |
| 📄 File Name | SM-G998U1_G998U1UESAFXAB_G998U1OYMAFXAB_XAR_4file(Flash-Files.Net).zip |
| ⚙️ OS | 14 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 File Size | 7.23 GB |
| ⚡ Tool | |
| 📥 Download | |
| 📄 Package Name | SM-G998U1_G998U1UESCGXF3_G998U1OYMCGXF3_XAR_4file(Flash-Files.Net).zip |
| ⚙️ Android Version | 14 |
| 🔧 Flash Method | Guide How to Flash Firmware |
| 📦 File Size | 7.61 GB |
| ⚡ Flash Tool | |
| 📥 Download | |
| 📄 Package Name | SM-G998U1_G998U1UESCGXF3_G998U1OWACGXF3_PCT_4file(Flash-Files.Net).zip |
| ⚙️ Android Version | 14 |
| 🔧 Flash Method | Guide How to Flash Firmware |
| 📦 Size | 7.5 GB |
| ⚡ Tool | |
| 📥 Mirrors | |
| 📄 File Name | SM-G998U1_G998U1UEUCGXG6_G998U1OWACGXG6_PCT_4file(Flash-Files.Net).zip |
| ⚙️ Android Version | 14 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 File Size | 7.51 GB |
| ⚡ Tool | |
| 📥 Download | |
| 📄 Package Name | SM-G998U1_G998U1UESDGXJ3_G998U1OWADGXJ3_PCT_4file(Flash-Files.Net).zip |
| ⚙️ Android Version | 14 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 Size | 7.52 GB |
| ⚡ Flash Tool | |
| 📥 Mirrors | |
| 📄 Package Name | SM-G998U1_G998U1UESCGXH1_G998U1OYMCGXH1_XAR_4file(Flash-Files.Net).zip |
| ⚙️ OS | 14 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 Size | 7.61 GB |
| ⚡ Flash Tool | |
| 📥 Download | |
| 📄 Package Name | SM-G998U1_G998U1UESEGXJ4_G998U1OYMEGXJ4_XAR_4file(Flash-Files.Net).zip |
| ⚙️ OS | 14 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 File Size | 7.61 GB |
| ⚡ Tool | |
| 📥 Mirrors | |
| 📄 File Name | SM-G998U1_G998U1UESEGXLB_G998U1OYMEGXLB_XAR_4file(Flash-Files.Net).zip |
| ⚙️ OS | 14 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 File Size | 7.61 GB |
| ⚡ Flash Tool | |
| 📥 Download | |
| 📄 File Name | SM-G998U1_G998U1UESEGYA6_G998U1OWAEGYA6_PCT_4file(Flash-Files.Net).zip |
| ⚙️ Android Version | 14 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 File Size | 7.52 GB |
| ⚡ Flash Tool | |
| 📥 Download | |
| 📄 File Name | SM-G998U1_G998U1UEUEHYDA_G998U1OYMEHYDA_XAR_4file(Flash-Files.Net).zip |
| ⚙️ Android Version | 15 |
| 🔧 Flash Method | Guide How to Flash Firmware |
| 📦 Size | 7.88 GB |
| ⚡ Flash Tool | |
| 📥 Mirrors | |
| 📄 Package Name | SM-G998U1_G998U1UEUEHYDA_G998U1OWAEHYDA_PCT_4file(Flash-Files.Net).zip |
| ⚙️ Android Version | 15 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 Size | 7.78 GB |
| ⚡ Flash Tool | |
| 📥 Download | |
| 📄 Package Name | SM-G998U1_G998U1UESGHYF1_G998U1OWAGHYH1_PCT_4file(Flash-Files.Net).zip |
| ⚙️ Android Version | 15 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 File Size | 7.78 GB |
| ⚡ Flash Tool | |
| 📥 Mirrors | |
🛠️ Essential Tools
Installation Guide: Samsung Galaxy S21 Ultra 5G SM-G998U1
Use this guide to flash the firmware on your Samsung Galaxy S21 Ultra 5G SM-G998U1 safely. Make sure your battery is charged.
Phase 1: Setup
Download the firmware and extract it on your PC. Check that you have the Flash Tool and USB Drivers inside the folder.
Phase 2: Drivers
Setup the provided USB Drivers to ensure your computer recognizes the Samsung Galaxy S21 Ultra 5G SM-G998U1.
Phase 3: Installation
Launch the Flash Tool, load the firmware file, and connect your device in download mode. Click "Start" to begin flashing.
Frequently Asked Questions
Is this Samsung Galaxy S21 Ultra 5G SM-G998U1 firmware official?
Yes, the firmware provided here is 100% official from the manufacturer for Samsung Galaxy S21 Ultra 5G SM-G998U1.
Does flashing Samsung Galaxy S21 Ultra 5G SM-G998U1 delete data?
Yes, flashing Samsung Galaxy S21 Ultra 5G SM-G998U1 stock firmware typically wipes user data. Please backup your data before proceeding.
What is the Samsung Galaxy S21 Ultra 5G SM-G998U1 file size?
The Samsung Galaxy S21 Ultra 5G SM-G998U1 firmware file size is 6.62 GB. Make sure you have enough storage space.
Are the download links safe?
Yes, all download links provided are 100% safe and scanned for malware. We provide direct links to official firmware files.
⚠️ Disclaimer: The Samsung Galaxy S21 Ultra 5G SM-G998U1 firmware shared on this page is official. Installing is done at your own risk. No liability for bricked devices.
If you encounter any problem flashing Samsung Galaxy S21 Ultra 5G SM-G998U1, please comment down below.
