The Hotwav Cosmos U is a budget device that, over its lifespan, can become plagued by software issues. Users often report significant problems including the phone failing to boot past the Hotwav logo (a bootloop), a general slowdown in performance that makes multitasking impossible, and apps crashing unexpectedly. These problems are typically caused by corrupted system files. The best way to fix these issues and give your device a fresh start is by reinstalling the official stock firmware. This will upgrade your device to Android 8.1 Oreo and restore it to a clean, stable, and fully functional state.
Hotwav Cosmos U Firmware Details
| Device | Hotwav Cosmos U |
| Model | Cosmos U |
| Chipset | MediaTek MT6580 |
| Android Version | 8.1.0 (Oreo) |
| Firmware Version | MT6580_051018 |
| Build Date | 2018-10-05 |
| File Size | 715MB |
| File Type | .zip (Scatter Firmware) |
| Flashing Tool | SP Flash Tool |
Warning: Before you begin, understand that this process will completely erase all data on your Hotwav Cosmos U. You must back up your photos, contacts, and any other important files. Using the wrong firmware or having the process interrupted can permanently damage your device, rendering it unusable. Please proceed with caution.
Download Official Firmware for Hotwav Cosmos U
Here is the official stock ROM for the Hotwav Cosmos U. This package contains the full software necessary to restore and upgrade your phone.
📄 Filename: Hotwav_Cosmos_U_MT6580_051018_8.1.0.zip
📦 Size: 715MB
🗓️ Build Date: 2018-10-05
🔢 Build Version: MT6580_051018
🤖 Android Version: 8.1.0 Oreo
⬇️ Download Link: Download from Google Drive
How to Flash the Firmware
The Hotwav Cosmos U is powered by a MediaTek (MTK) chipset, so you will need to use the SP Flash Tool on a Windows computer. Here are the 5 quick steps to flash the firmware:
- Download and install the correct MediaTek VCOM USB drivers on your computer so it can detect your phone.
- Download the firmware ZIP file from the link above and extract its contents into a new folder.
- Download and launch the SP Flash Tool application.
- Inside the SP Flash Tool, click the “Scatter-loading” button and select the `MT6580_Android_scatter.txt` file from the folder where you extracted the firmware.
- Power off your Hotwav Cosmos U. Click the “Download” button in the SP Flash Tool, then connect your phone to the PC via USB to begin the flashing process.
If you want to see all the steps with pictures and videos on how to flash the firmware, you should go here to see that: How to Flash Stock Firmware on MediaTek (MTK) Smartphones.
Disclaimer: We will not be responsible if anything happens to your phone in the process of flashing it using the firmware files we provided above. This action is performed at your own risk. If you experience any problems, feel free to drop a comment on the thread for assistance from the community.
