If your Cubot Max is experiencing charging failures or slow charging, unresponsive touch on its large 6.0″ display, performance lags during multitasking, or camera app crashes, flashing the official stock firmware is the most reliable solution. This guide provides tested firmware download, concise SP Flash Tool instructions, and a unique troubleshooting section tailored specifically for the Cubot Max’s hardware quirks to restore your device’s full functionality.
🚨 Critical Pre-Flash Warning
Flashing firmware will erase all data on your Cubot Max, including photos, contacts, and apps. Back up your data first. Incorrect use of SP Flash Tool can damage IMEI or brick the device—follow the instructions exactly.
Device Specifications Verification
Confirm these specifications before flashing:
| Specification | Details |
|---|---|
| Device Name | Cubot Max |
| Release Date | May 2017 |
| Chipset | MediaTek MT6753 (28nm, Octa-Core 1.3 GHz) |
| GPU | ARM Mali-T720 MP3 @ 450 MHz |
| Display | 6.0″ IPS LCD, 1280×720 HD |
| RAM/Storage | 3 GB RAM / 32 GB internal storage |
| Battery | 4100 mAh non-removable Li-Ion |
| Android Version | Android 6.0 Marshmallow (stock) |
| Key Features | Large 6″ display, 13 MP rear + 5 MP front camera, fingerprint sensor |
Official Firmware Download
| Filename | Date | Android | Size | Download Link |
|---|---|---|---|---|
| Cubot_Max_MT6753_V14_20170522_6.0.zip | May 2017 | 6.0 | 1.32 GB | Download (MediaFire) |
⭐ Recommendation: Use this official V14 firmware to resolve common charging circuit issues, improve touch accuracy on the large screen, boost MT6753 performance, and eliminate intermittent camera crashes.
Required Tools & Drivers
- SP Flash Tool (latest)
- MediaTek VCOM USB Drivers
- Cubot Max firmware package (above)
Driver Notes: On Windows 10/11, disable driver signature enforcement before installing. Always use a high-quality USB cable.
Quick Flashing Instructions
- Install SP Flash Tool and MediaTek VCOM drivers on your PC.
- Extract firmware and load
MT6753_Android_scatter.txtin SP Flash Tool. - Select “Download Only” mode (to preserve IMEI).
- Power off the Max, click “Download,” then connect via USB to start flashing.
- Wait for the green success check. Reboot device.
Visit our detailed guide: How to Flash Firmware on MediaTek Smartphones.
Troubleshooting & Optimization Guide
1. Charging Failures & Slow Charging
- Symptoms: Device only charges intermittently, charges very slowly, or does not charge past certain percentages.
- Clean charging port: use a toothpick and compressed air to remove dust and lint.
- Switch to a known good 5 V/2 A charger and cable—some cables can’t handle the Max’s 4100 mAh capacity.
- Disable Fast Charge in Settings > Battery if present; some cables cause compatibility conflicts.
- Calibrate battery: drain to 0%, then charge uninterrupted to 100%.
- Flash V14 firmware to update charging IC firmware and reset charging parameters.
2. Unresponsive Touch on Large Display
- Symptoms: Touch ignores swipes near edges, inconsistent gesture recognition, lag when typing or navigating.
- Enable “One-handed Mode” in Settings > Display to shrink touch area for edge gestures.
- Remove any screen protector—thick protectors can reduce touch sensitivity on 6″ screens.
- Under Developer Options, reduce “Pointer speed” slider slightly to improve accuracy.
- Clear TouchPal keyboard cache or switch to Gboard if lag persists.
- Flash V14 firmware to install optimized touch driver tuned for the large panel.
3. Performance Lags & Multitasking Slowdowns
- Symptoms: Apps stutter when switching, slow app launch times, background apps killed prematurely.
- In Settings > Developer Options, increase “Background process limit” to 4 processes.
- Uninstall or disable bloatware apps: Settings > Apps > Disable unused apps.
- Use a lightweight launcher (e.g., Lawnchair) to reduce RAM usage.
- Clear app cache for frequently used apps to free temporary storage.
- Flash V14 firmware to update MT6753 CPU governor profiles and improve RAM management.
4. Camera App Crashes & Photo Quality Issues
- Symptoms: Camera app force-closes, photos saved blank, autofocus fails in low light.
- Clear Camera app data: Settings > Apps > Camera > Storage > Clear Data & Cache.
- Switch to the GCam mod APK for improved image processing on MT6753.
- Test in good lighting; the stock camera struggles below 50 lux.
- Ensure “HDR” is disabled when not needed to prevent prolonged processing times.
- Flash V14 firmware to update camera ISP drivers and stability patches.
Unique Expert Recommendations
- Use high-quality 5 V/2 A chargers to fully utilize the 4100 mAh battery without slow-charge issues.
- Remove screen protectors and enable one-handed mode for better edge touch accuracy on the 6″ display.
- Keep at least 25% free RAM by limiting background apps to prevent multitasking slowdowns.
- Calibrate battery monthly with a full discharge-recharge cycle to maintain accurate battery meter readings.
- Install GCam APK for superior low-light photography on the MT6753 sensor.
- Use Developer Options tweaks (pointer speed, background process limit) to fine-tune performance.
- Perform periodic factory resets after major firmware updates to clear accumulated system artifacts.
Conclusion
Flashing the official Cubot Max V14 stock firmware provides device-specific fixes for charging failures, large-display touch issues, performance lags, and camera crashes. The May 2017 V14 release is tailored for the Max’s 6.0″ HD panel and 4100 mAh battery, delivering optimized charging IC firmware, improved touch drivers, and updated CPU/RAM management for a smoother experience.
Follow the SP Flash Tool steps carefully, back up your data, and apply the unique troubleshooting steps above to maximize the Cubot Max’s capabilities and maintain its large-display comfort and long-lasting battery life.
Success? Share your feedback on how these solutions resolved your specific Cubot Max issues. Your insights help fellow users make the most of their large-screen, long-endurance device!
