This article will provide all the Ulefone S1 firmware flash file ready for download.
Also, we will provide you with instructions on how to flash the Ulefone S1 Stock rom easily below.
Ulefone S1 Firmware Information
| ROM OS Version | Android 8.1 |
| Software needed | Smartphone Flash Tool [SP Flash Tool] |
| Drivers | Ulefone S1 Drivers |
| Ulefone Model | S1 |
You can use this firmware file to flash Ulefone S1.
If also you want to downgrade or upgrade Ulefone S1, you can use this stock rom.
This firmware flash file can also help fix many problems on your Ulefone S1.
Problems like hanging, battery drain, app crashing, etc.
You can use this stock ROM to remove the locked screen, remove root, fix many system errors, and unbrick the Ulefone S1.
DOWNLOADS ROMs
How to flash Ulefone firmware with Smartphone Flash Tool [SP Flash Tool]
Different chipset? Learn how to flash All Firmware.