Fly Cirrus 13 FS518 Firmware Flash File Download [Stock Rom]
The Fly Cirrus 13 (FS518) is a mid-range 4G smartphone from 2017, notable for packing a high-resolution Full HD (1920×1080) display into a compact 5-inch form factor. It runs on Android 7.0 Nougat and is powered by a MediaTek MT6737T chipset. However, the combination of this powerful display and a relatively small 2400 mAh battery led to the device’s most common user complaints: severe battery drain and significant overheating. Other reported issues include an unreliable fingerprint scanner and camera focus problems. For users experiencing these software-related issues or needing to recover from a bootloop, flashing the official stock firmware is the best solution.
âšī¸ Important Note:
This phone is powered by a MediaTek chipset and requires the SP Flash Tool to install the firmware. This process will completely erase all your personal data. Ensure you have backed up your important files before you begin.
â ī¸ Prerequisites: Before You Begin
Click Here for the Essential Pre-Flashing Checklist
- Backup Your Data: All your contacts, photos, and files on the phone’s internal storage will be permanently wiped.
- Charge The Battery: To prevent the phone from shutting down during the update, ensure the battery is charged to at least 50%.
- Windows PC & USB Cable: You will need a Windows computer and a standard micro USB cable to perform the flash.
đą Quick Device Specifications
- Device
- Fly Cirrus 13
- Model
- FS518
- Chipset
- MediaTek MT6737T
- Display
- 5.0″ Full HD IPS (1920×1080)
- Operating System
- Android 7.0 Nougat
- RAM
- 2GB
- Storage
- 16GB
- Battery
- 2400 mAh
đ Required Tools & Downloads
| File / Tool | Download Link |
|---|---|
| SP Flash Tool | Download Tool |
| MediaTek USB VCOM Drivers | Download Drivers |
âŦī¸ Fly Cirrus 13 (FS518) Stock ROM / Firmware
| Android Version | Filename | Release Date | Size | Download Link |
|---|---|---|---|---|
| 7.0 Nougat | Fly_Cirrus_13_…_SW16_171025.zip | 2017-10-25 | 1.30 GB | Download (Google Drive) |
Quick Steps to Flash Fly Cirrus 13 Firmware
- Download and install the MediaTek VCOM drivers. Extract the firmware ZIP file (
Fly_Cirrus_13_..._SW16_171025.zip) and the SP Flash Tool on your PC. - Launch
flash_tool.exe. Click the “Scatter-loading” button and select theMT6737T_Android_scatter.txtfile from the extracted firmware folder. - Ensure the flashing mode in the dropdown menu is set to “Download Only.”
- Power off your phone completely. Click the green “Download” button in SP Flash Tool, then immediately connect the powered-off phone to your PC via USB cable.
- The flash will start automatically. If it is not detected, you may need to hold a volume key while connecting it.
- Once you see the green checkmark pop-up, you can disconnect the phone and power it on.
For a more detailed, step-by-step guide on this process, please refer to our main tutorial:
đ Full Tutorial: How to Flash MediaTek Firmware with SP Flash Tool
â Frequently Asked Questions (FAQs)
- Q1. My Fly Cirrus 13’s battery dies very quickly and the phone gets hot. Can this be fixed?
- This is the most common complaint for this model. A clean firmware flash can fix software-related causes of battery drain and overheating. However, the phone’s high-resolution screen and small battery are also hardware factors, so managing screen brightness and background apps is important even after flashing.
- Q2. The fingerprint scanner has become slow and often fails to recognize my finger. Will this help?
- Yes, it often can. A full firmware reflash restores the original drivers and calibration software for the fingerprint sensor. For best performance after flashing, it’s recommended to delete your old fingerprints and re-register them.
- Q3. The camera struggles to focus and takes blurry photos. Can I improve it?
- Flashing the stock ROM will restore the original camera software and autofocus algorithms, which can fix software-based focus problems. If the issue persists after a clean flash, it may be a limitation of the camera’s hardware.
