The Infocus M810 is a stylish 5.5-inch Android smartphone with a powerful Snapdragon chipset and slim glass body, but users have faced notable issues: frequent heating under intensive use, no software updates after launch, app crashes, UI lags, disabled 3G/4G on some networks, spontaneous shutdowns, and average battery backup. Some M810 units get permanently stuck on logo or bootloop after bad updates or software modifications, while others exhibit poor audio fidelity and signal drops.
This official SUTL1 VNA-4230-0-00WW-A03 stock firmware is essential to unbrick devices, fix bootloops, recover from failed root/custom ROMs, clear persistent app or UI errors, and bring the M810 back to factory health. If your M810 is stuck on logo, bricked, or buggy, flashing this will usually solve the problem.
Infocus M810 Firmware Details
| Device Name: | Infocus M810 |
| Model: | M810 (SUTL1) |
| Chipset: | Qualcomm Snapdragon 801 (MSM8974AC, Quad 2.5GHz) |
| GPU: | Adreno 330 |
| RAM: | 2GB |
| Storage: | 16GB (expandable to 64GB via microSD) |
| Display: | 5.5″ IPS LCD, 1080×1920, 403 ppi |
| Rear Camera: | 13MP (dual LED flash, f/2.2) |
| Front Camera: | 5MP |
| Battery: | 2600mAh Li-ion (non-removable) |
| Connectivity: | Single SIM, 3G/4G, WiFi, Bluetooth v4, NFC, USB OTG, GPS |
| Operating System: | Android 5.0 Lollipop with InLife UI |
| Firmware Version: | SUTL1 VNA-4230-0-00WW-A03 |
| Build Date: | 2016-11-28 |
| File Size: | 1.19GB |
| File Type: | .zip (factory firmware archive) |
| Flashing Tool: | QFIL (for Qualcomm/EDL devices) |
Warning: Installing the wrong firmware or failing to follow QFIL steps for Infocus M810 can result in permanent brick, lost IMEI, or non-functional touchscreen. Always verify device IDs and charge fully before beginning. Data will be erased – back up if possible.
Download Official Firmware for Infocus M810
Below is the latest and only verified firmware package for Infocus M810 (SUTL1). Use this to recover from stuck logo, overheating due to software, update errors, and restore all system partitions.
Manufacturer changelogs are not available but the file restores your device to original factory firmware with all features working.
📄 Filename: Infocus_M810_SUTL1_VNA-4230-0-00WW-A03_000.zip
📦 Size: 1.19GB
🗓️ Build Date: 2016-11-28
🔢 Build Version: SUTL1 VNA-4230-0-00WW-A03
🤖 Android Version: 5.0 Lollipop
⬇️ Download Link: MediaFire (Direct)
How to Flash the Firmware
- Extract Infocus_M810_SUTL1_VNA-4230-0-00WW-A03_000.zip on your PC.
- Install Qualcomm drivers for EDL/9008 port on Windows.
- Run QFIL (Qualcomm Flash Image Loader) and load the firmware’s .mbn or .xml files.
- Power off your M810 and boot into EDL mode (Vol+ and USB, or test point if bricked).
- Click “Download” in QFIL and wait for the “Success” message.
Want photos and a full guide? See the complete stepwise QFIL flashing guide here.



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