The Kimfly M6 is a budget Android phone known for its basic feature set and modest price point. Common user complaints include the device failing to boot, getting stuck on the Kimfly logo, constant random restarts, severe lag, low memory errors, inability to install apps, persistent app crashes, sudden shut downs, and rapid battery drain. Other frequent issues include touchscreen lag, missing IMEI after flashing, “no service” on SIMs, and corrupted storage. The SPD-based official firmware below provides a full restore, resolving all major software problems and making dead or bricked Kimfly M6s function again.
Kimfly M6 Firmware Details
| Device Name: | Kimfly M6 |
| Model: | M6 |
| Chipset: | Spreadtrum/UNISOC SC7731C, Quad-Core 1.2GHz |
| GPU: | Mali-400 MP2 |
| Android Version: | Android 6.0 Marshmallow |
| Firmware Versions: | S16F_ZX_239_V01_20170218_6.0 20160920_6.0 |
| Build Dates: | Feb 18, 2017 / Sep 20, 2016 |
| File Sizes: | 755MB / 831MB |
| File Type: | PAC (SPD Upgrade Tool firmware, .zip) |
| Flashing Tool: | SPD/Spreadtrum Upgrade Tool or ResearchDownload |
| Display: | 5.0-inch IPS, 480×854 pixels |
| RAM / Storage: | 512MB RAM / 8GB ROM (expandable via microSD up to 32GB) |
| Rear Camera: | 5MP, LED flash |
| Front Camera: | 2MP |
| Battery: | 2800mAh Li-ion (removable) |
| SIM: | Dual SIM, 3G support |
| Other: | Wi-Fi, Bluetooth 3.0, FM, GPS, 3.5mm headphone, micro USB |
Download Official Firmware for Kimfly M6
These tested ROMs are for fixing dead boot, logo hang, repeated restarts, touch issues, broken software, malware, failed updates, and full restoration to factory condition after unsuccessful rooting. Choose the file that matches your build for best results.
Firmware 1
📄 Filename: Kimfly_M6_S16F_ZX_239_V01_20170218_6.0_SPD.zip
📦 Size: 755MB
🗓️ Build Date: Feb 18, 2017
🔢 Build Version: S16F_ZX_239_V01_20170218_6.0
⬇️ Download Link: MediaFire
Firmware 2
📄 Filename: Kimfly_M6_20160920_6.0_SPD.zip
📦 Size: 831MB
🗓️ Build Date: Sep 20, 2016
🔢 Build Version: 20160920_6.0
⬇️ Download Link: MediaFire
How to Flash the Firmware
Follow these 5 quick steps to safely flash the latest PAC file for Kimfly M6:
- Download and extract either
Kimfly_M6_S16F_ZX_239_V01_20170218_6.0_SPD.ziporKimfly_M6_20160920_6.0_SPD.zipplus the SPD Upgrade Tool to your PC. - Install Spreadtrum USB drivers then open the SPD Upgrade Tool.
- Load the correct .PAC file from your chosen firmware folder into the tool.
- Power off your Kimfly M6 and connect via USB (hold volume buttons if needed for recognition).
- Click “Start/Download” and wait for completion before unplugging and rebooting your phone.
For a visual SPD flash guide, see this complete tutorial.


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