✅ Verified Official ROM
🔒 Scanned for Malware
📥 Direct Download
🆓 100% Free
Download the latest Samsung Galaxy S21 Ultra 5G SM-G998U1 firmware (Stock ROM) to resolve bootloop and restore your device. This package contains the Flashing Utility, USB Driver, and visual instructions. File Size: 6.62 GB.
Download Samsung Galaxy S21 Ultra 5G SM-G998U1 Flash File
| 📄 File Name | SM-G998U1_G998U1UES5DWA4_G998U1OWA5DVL2_PCT_4file(Flash-Files.Net).zip |
| 📱 Device Model | Samsung Galaxy S21 Ultra 5G SM-G998U1 |
| ⚙️ Android Version | 13 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 Size | 6.62 GB |
| ⚡ Flash Tool | |
| 📥 Download | |
| 📄 Package Name | SM-G998U1_G998U1UES5EWB5_G998U1OYM5EWB5_XAR_4file(Flash-Files.Net).zip |
| ⚙️ Android Version | 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 |
| 🔧 Flash Method | Guide How to Flash Firmware |
| 📦 Size | 6.8 GB |
| ⚡ Flash Tool | |
| 📥 Download | |
| 📄 Package Name | SM-G998U1_G998U1UEU8EWF6_G998U1OWA8EWF6_PCT_4file(Flash-Files.Net).zip |
| ⚙️ Android Version | 13 |
| 🔧 Flash Method | Guide How to Flash Firmware |
| 📦 File Size | 6.8 GB |
| ⚡ Flash Tool | |
| 📥 Download | |
| 📄 Package Name | SM-G998U1_G998U1UES9EWI3_G998U1OWA9EWI2_PCT_4file(Flash-Files.Net).zip |
| ⚙️ OS | 13 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 File Size | 6.84 GB |
| ⚡ Flash Tool | |
| 📥 Mirrors | |
| 📄 File Name | SM-G998U1_G998U1UESBGXE2_G998U1OWABGXE1_PCT_4file(Flash-Files.Net).zip |
| ⚙️ Android Version | 14 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 Size | 7.50 GB |
| ⚡ Tool | |
| 📥 Mirrors | |
| 📄 Package Name | SM-G998U1_G998U1UEU9FWL3_G998U1OYM9FWL3_XAR_4file(Flash-Files.Net).zip |
| ⚙️ OS | 14 |
| 🔧 Flash Method | Guide How to Flash Firmware |
| 📦 Size | 7.23 GB |
| ⚡ Flash Tool | |
| 📥 Mirrors | |
| 📄 File Name | SM-G998U_G998USQSAFXC2_G998UOYNAFXC2_SPR_5file(Flash-Files.Net).zip |
| ⚙️ OS | 14 |
| 🔧 Flash Method | Guide How to Flash Firmware |
| 📦 File Size | 7.63 GB |
| ⚡ Tool | |
| 📥 Mirrors | |
| 📄 Package Name | SM-G998U1_G998U1UESAFXAB_G998U1OYMAFXAB_XAR_4file(Flash-Files.Net).zip |
| ⚙️ Android Version | 14 |
| 🔧 Flash Method | Guide How to Flash Firmware |
| 📦 File Size | 7.23 GB |
| ⚡ Tool | |
| 📥 Mirrors | |
| 📄 File Name | SM-G998U1_G998U1UESCGXF3_G998U1OYMCGXF3_XAR_4file(Flash-Files.Net).zip |
| ⚙️ OS | 14 |
| 🔧 Flash Method | Guide How to Flash Firmware |
| 📦 File Size | 7.61 GB |
| ⚡ Tool | |
| 📥 Mirrors | |
| 📄 File Name | SM-G998U1_G998U1UESCGXF3_G998U1OWACGXF3_PCT_4file(Flash-Files.Net).zip |
| ⚙️ OS | 14 |
| 🔧 Flash Method | Guide How to Flash Firmware |
| 📦 File Size | 7.5 GB |
| ⚡ Tool | |
| 📥 Mirrors | |
| 📄 File Name | SM-G998U1_G998U1UEUCGXG6_G998U1OWACGXG6_PCT_4file(Flash-Files.Net).zip |
| ⚙️ OS | 14 |
| 🔧 Flash Method | Guide How to Flash Firmware |
| 📦 File Size | 7.51 GB |
| ⚡ Flash Tool | |
| 📥 Download | |
| 📄 File Name | SM-G998U1_G998U1UESDGXJ3_G998U1OWADGXJ3_PCT_4file(Flash-Files.Net).zip |
| ⚙️ OS | 14 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 Size | 7.52 GB |
| ⚡ Tool | |
| 📥 Download | |
| 📄 File Name | SM-G998U1_G998U1UESCGXH1_G998U1OYMCGXH1_XAR_4file(Flash-Files.Net).zip |
| ⚙️ OS | 14 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 File Size | 7.61 GB |
| ⚡ Flash Tool | |
| 📥 Download | |
| 📄 Package Name | SM-G998U1_G998U1UESEGXJ4_G998U1OYMEGXJ4_XAR_4file(Flash-Files.Net).zip |
| ⚙️ OS | 14 |
| 🔧 Flash Method | Guide How to Flash Firmware |
| 📦 File Size | 7.61 GB |
| ⚡ Flash Tool | |
| 📥 Mirrors | |
| 📄 Package Name | SM-G998U1_G998U1UESEGXLB_G998U1OYMEGXLB_XAR_4file(Flash-Files.Net).zip |
| ⚙️ Android Version | 14 |
| 🔧 Flash Method | Guide How to Flash Firmware |
| 📦 File Size | 7.61 GB |
| ⚡ Flash Tool | |
| 📥 Mirrors | |
| 📄 File Name | SM-G998U1_G998U1UESEGYA6_G998U1OWAEGYA6_PCT_4file(Flash-Files.Net).zip |
| ⚙️ OS | 14 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 Size | 7.52 GB |
| ⚡ Flash Tool | |
| 📥 Download | |
| 📄 Package 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 |
| ⚡ Tool | |
| 📥 Download | |
| 📄 File Name | SM-G998U1_G998U1UEUEHYDA_G998U1OWAEHYDA_PCT_4file(Flash-Files.Net).zip |
| ⚙️ Android Version | 15 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 File Size | 7.78 GB |
| ⚡ Tool | |
| 📥 Mirrors | |
| 📄 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 |
| ⚡ Tool | |
| 📥 Mirrors | |
🛠️ Essential Tools
Installation Guide: Samsung Galaxy S21 Ultra 5G SM-G998U1
Follow these steps to install the firmware on your Samsung Galaxy S21 Ultra 5G SM-G998U1 correctly. Make sure your battery is charged.
Phase 1: Setup
Get the firmware and unzip it on your PC. Verify that you have the Flash Tool and USB Drivers inside the folder.
Step 2: Install Drivers
Setup the provided USB Drivers so your computer recognizes the Samsung Galaxy S21 Ultra 5G SM-G998U1.
Phase 3: Installation
Open the Flash Tool, load the firmware file, and connect your device in download mode. Click "Start" to begin flashing.
FAQ: Samsung Galaxy S21 Ultra 5G SM-G998U1
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 stock ROM shared on this page is official. Flashing is done at your own risk. We are not responsible for bricked devices.
If you encounter any problem flashing Samsung Galaxy S21 Ultra 5G SM-G998U1, please comment down below.
