If your Cubot Magic is experiencing display touch lag, inaccurate GPS lock, rapid battery drain, or random bootloops, flashing the official stock firmware provides the most reliable fix. This guide delivers tested firmware downloads, concise SP Flash Tool instructions, and a device-specific troubleshooting section tailored for the Magic’s dual-core MT6737M chipset and unique hardware characteristics.
🚨 Critical Pre-Flash Warning
Flashing firmware will erase all data on your Cubot Magic, including contacts, photos, and apps. Back up your data before proceeding. Incorrect SP Flash Tool use can damage IMEI or permanently brick—follow instructions precisely.
Device Specifications Verification
Confirm these match your device model:
| Specification | Details |
|---|---|
| Device Name | Cubot Magic |
| Release Date | July 2017 |
| Chipset | MediaTek MT6737M (28nm, Quad-Core 1.3 GHz) |
| GPU | ARM Mali-T720 MP1 @ 650 MHz |
| Display | 5.0″ IPS LCD, 1280×720 HD |
| RAM/Storage | 2 GB RAM / 16 GB internal |
| Battery | 3100 mAh removable Li-Ion |
| Android Version | Android 7.0 Nougat |
| Key Features | Dual-SIM, rear fingerprint, GPS, proximity sensor |
Official Firmware Downloads
| Filename | Date | Size | Download Link |
|---|---|---|---|
| Cubot_Magic_MT6737M_V15_20170829_7.0.zip | Aug 2017 | 1.02 GB | MediaFire |
| Cubot_Magic_MT6737M_V17_20171013.zip | Oct 2017 | 1.04 GB | MediaFire |
| CUBOT_MAGIC_7025C_V20_20180119.rar | Jan 2018 | 1.01 GB | MEGA |
| CUBOT_MAGIC_7025C_V21_20180518.zip | May 2018 | 1.17 GB | MEGA |
| CUBOT_MAGIC_7025C_V22_20180608.rar | Jun 2018 | 1.04 GB | MEGA |
⭐ Recommendation: Use the June 2018 V22 build for the latest GPS chipset calibration, improved touch-panel drivers, and updated battery charge-discharge profiles that address known MT6737M power management bugs.
Required Tools & Drivers
- SP Flash Tool
- MediaTek VCOM USB Drivers
- Cubot Magic firmware package (above)
Quick Flashing Instructions
- Install SP Flash Tool and MediaTek drivers on your PC.
- Extract firmware and load
MT6737M_Android_scatter.txtin SP Flash Tool. - Select “Download Only” mode in SP Flash Tool to preserve IMEI data.
- Power off Cubot Magic, click “Download,” then connect via USB to begin flashing.
- Wait for the green checkmark and reboot the device.
For comprehensive instructions—including driver signature enforcement disablement, error troubleshooting, and advanced recovery methods—see our detailed guide: How to Flash Firmware on MediaTek (MTK) Smartphones.
Troubleshooting & Optimization Guide
1. Display Touch Lag on 5.0″ HD Screen
- Symptoms: Edge swipes stutter, unregistered taps near bezel, lag typing on keyboard.
- Remove screen protector to eliminate added thickness affecting touch sensitivity.
- Under Developer Options, reduce “Pointer speed” slightly to match panel response.
- Enable “One-handed mode”: Settings > Display > One-handed mode.
- Switch to Gboard and disable all themes for lighter performance.
- Flash V22 firmware to update touch-panel driver optimized for MT6737M touchscreen.
2. Inaccurate GPS Fix and Slow Lock Time
- Symptoms: GPS takes 2–3 minutes to lock, drift of 20+ meters, navigation apps fail at startup.
- Enable AGPS & Wi-Fi scanning: Settings > Location > Improve accuracy options.
- Clear GPS cache using “GPS Status & Toolbox” app > Manage A-GPS state > Reset > Download.
- Ensure clear sky view and avoid indoor use for cold starts.
- Flash V22 firmware to update GNSS driver and satellite-constellation configuration.
- Use “GPS Test” app to verify fix using multiple constellations (GPS+GLONASS).
3. Rapid Battery Drain & Charging Inconsistencies
- Symptoms: Battery drops 5–10% while idle, slow charging beyond 80%, percentage jumps during use.
- Use original 5 V/2 A charger; avoid low-power chargers under 1 A.
- Disable “Auto-sync” for unused accounts in Settings > Accounts.
- Calibrate battery: drain to 0%, then charge to 100% uninterrupted.
- Flash V22 firmware to install updated battery-management IC firmware.
- Install “AccuBattery” to monitor discharge rates and identify rogue apps.
4. Random Bootloops After OTA or App Installs
- Symptoms: Device loops on logo, especially after installing large apps or system updates.
- Boot into Recovery (Power + Volume Up) and wipe Cache Partition only.
- Revert problematic app installs via Safe Mode: hold Volume Down while booting.
- Flash V22 firmware using “Download Only” for minimal partition changes.
- If loops persist, perform a factory reset in Recovery after flashing.
- Ensure correct region firmware (7025C variant) matches your device model.
Unique Expert Recommendations
- Perform AGPS reset monthly using GPS toolbox to maintain fast satellite lock.
- Use high-quality original charger and calibrate battery quarterly to avoid false percentage jumps.
- Apply one-handed mode regularly for easier navigation on the 5.0″ screen.
- Monitor background apps with “AccuBattery” to identify battery drain culprits.
- Wipe cache partition before each major firmware flash to prevent leftover conflicts.
- Use GPS Test app to verify multiple satellite reception after flashing firmware.
- Switch to Gboard with default settings for optimal typing performance.
Conclusion
Flashing the official Cubot Magic V22 firmware (June 2018 build) addresses display touch lag, GPS inaccuracies, battery drain issues, and random bootloops. The V22 release includes optimized touch-panel drivers, updated GNSS configuration, refined battery-management IC calibration, and stable MT6737M performance tuning.
Follow SP Flash Tool instructions carefully, apply these device-specific troubleshooting steps, and maintain V22 firmware to ensure your Cubot Magic performs smoothly across all key functions.
Success? Share your experience below—let us know if the V22 firmware improved GPS lock time or reduced battery drain, so other Cubot Magic users can benefit!
