Download the official Ulefone S1 firmware (Stock ROM) to resolve bootloop and restore your device. This file contains the Flashing Utility, USB Driver, and visual instructions. File Size: 691 MB.
Download Ulefone S1 Stock Firmware
📂 Ulefone S1 Firmware Specifications
| Package Name | Ulefone_S1_MT6580_DF1_V03_20191120(Flash-Files.Net).zip |
| Device Model | Ulefone S1 |
| Install Method | Guide How to Flash Firmware |
| Size | 691 MB |
| Flash Tool | |
| Download |
🛠️ Essential Tools
Installation Guide: Ulefone S1
Follow these steps to install the firmware on your Ulefone S1 safely. Ensure your battery is charged.
Step 1: Prepare
Get the firmware and unzip it on your PC. Check that you have the Flash Tool and USB Drivers inside the folder.
Step 2: Install Drivers
Install the provided USB Drivers so your computer detects the Ulefone S1.
Step 3: Flash
Launch the Flash Tool, load the firmware file, and connect your device as instructed. Click "Start" to begin flashing.
FAQ: Ulefone S1
Is this Ulefone S1 firmware official?
Yes, the firmware provided here is 100% official from the manufacturer for Ulefone S1.
Does flashing Ulefone S1 delete data?
Yes, flashing Ulefone S1 stock firmware typically wipes user data. Please backup your data before proceeding.
What is the Ulefone S1 file size?
The Ulefone S1 firmware file size is 691 MB. 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.
If you encounter any issue installing Ulefone S1, kindly comment down below.
