This page provides the official download links for all available stock ROM versions for the Cubot X50. The Cubot X50 was a mid-range smartphone from 2021, notable for its stylish design, capable 64MP Samsung primary camera, and NFC functionality. If your device is stuck in a bootloop, experiencing software glitches like the camera failing to focus, or has been soft-bricked, flashing the stock firmware is the ultimate solution. This package contains the original Android 11 software for the MediaTek Helio P60 (MT6771) chipset.
Reinstalling the firmware via the SP Flash Tool will perform a complete wipe, resolving deep-seated software errors and performance issues. It is the most effective method to unbrick a Cubot X50 and restore it to its original, factory state. We have listed multiple firmware versions below; please read the note under the table for guidance on which to choose and to understand regional differences.
User Data Advisory for the Cubot X50
Critical Pre-Flash Warning: This flashing procedure will permanently erase all data on your Cubot X50. All your photos, apps, and personal files will be lost. A complete backup to a computer or cloud service is essential. Using the incorrect options in the flash tool can also damage your phone’s IMEI number, so follow the instructions precisely.
Cubot X50: Quick Device Specifications
Please confirm these details match your phone to ensure you are using the correct firmware file.
- Device Model:
- Cubot X50
- Release Date:
- May 2021
- Chipset:
- MediaTek Helio P60 (MT6771)
- Display:
- 6.67 inches, 1080 x 2400 pixels (FHD+)
- Battery:
- 4500 mAh, Non-removable Li-Po
- RAM/Storage:
- 8GB RAM / 128GB Internal Storage
- Key Features:
- 64MP Samsung S5KGW1 Main Camera, NFC, Side-mounted Fingerprint Sensor
Required Downloads for Flashing
You will need the following tools and drivers to flash your phone.
- SP Flash Tool (Latest Version)
- MediaTek VCOM USB Drivers
- A Cubot X50 Firmware Package (choose a version from the table below)
Cubot X50 Firmware Download Links
| Filename / Version (Build Date & Region) | Android Version | Size | Download Link/s |
|---|---|---|---|
| CUBOT_X50_V11 (Jul 2022) | 11 | 1.7GB | Download (MEGA) |
| CUBOT_X50_V09 (Jan 2022, Non-US) | 11 | 1.7GB | Download (MEGA) |
| CUBOT_X50_V08 (Nov 2021, Non-US) | 11 | 1.7GB | Download (MEGA) |
| Cubot_X50_V05 (Jun 2021) | 11 | 1.7GB | Download (Google Drive) |
How to Flash Cubot X50 Firmware
This is a summary of the flashing process using SP Flash Tool. For a more comprehensive guide with screenshots, please visit our detailed pillar article.
- Preparation: Download your chosen firmware version, the SP Flash Tool, and MTK VCOM drivers. Extract all zip/rar files into a single, easy-to-access folder.
- Driver Installation: Install the MediaTek VCOM drivers. You may need to disable driver signature enforcement on modern Windows versions.
- Load Firmware: Run
flash_tool.exe. Click the “Scatter-loading File” button and select theMT6771_Android_scatter.txtfile from the extracted firmware folder. - Begin Flashing: Set the dropdown box to “Download Only” to protect your phone’s IMEI. Click the large green “Download” button to put the tool in standby.
- Connect the Phone: Power off your Cubot X50 completely. Press and hold both Volume Up + Volume Down keys simultaneously. While holding the keys, connect the phone to your PC with a USB cable. Release the keys once the flashing begins. A green tick will appear when the process is complete.
For in-depth instructions and error solutions for the SP Flash Tool, please visit our complete guide: How to Flash Firmware on MediaTek (MTK) Smartphones.
Troubleshooting Common Issues
Based on extensive user reports for the Cubot X50, here are some specific problems and their solutions.
1. Main Camera (64MP) Has Focusing Issues or Takes Blurry Photos
Cause: This was a widely reported software issue on early firmware versions. The camera’s autofocus algorithm was not properly optimized, leading to a failure to lock focus correctly, especially in less-than-ideal lighting conditions.
Solution: Flashing the latest firmware version (V11 or V09) is the primary fix for this problem. Cubot released these updates specifically to address the camera’s software and improve autofocus performance and image processing. If the problem persists after updating, try clearing the cache and data of the camera app.
2. NFC Not Working for Contactless Payments
Cause: Software glitches in the NFC service or a bad firmware flash can cause the NFC hardware to become unresponsive, even if it is enabled in settings. This can also be a regional issue if you flash US firmware on a Non-US (EEA) device, or vice-versa.
Solution: Ensure you are flashing the correct firmware for your region (use the “Non-US” versions if applicable). A full re-flash of the stock ROM reinstalls the correct NFC drivers and service configurations, which can resolve detection and payment issues.
3. Phone Randomly Freezes or Reboots
Cause: While this can have many causes, users on Russian forums (like 4PDA) noted that this was sometimes related to memory management bugs in the initial firmware releases, causing instability under heavy use.
Solution: Installing the latest available stock firmware (V11) is the recommended solution. The updates include improved system stability and memory management tweaks that reduce the likelihood of random freezes and reboots.
Frequently Asked Questions (FAQs)
- What is the difference between the US and Non-US firmware?
- The difference usually relates to cellular network band configurations and certifications required for specific regions (like the EEA in Europe). Flashing the wrong regional firmware can sometimes cause issues with mobile data, VoLTE, or NFC. It’s always best to use the firmware that matches your device’s original region.
- My phone is bricked and won’t turn on. Can SP Flash Tool still fix it?
- Yes, in most cases. SP Flash Tool is capable of reviving “hard-bricked” MediaTek devices. As long as your computer can still detect the MTK Preloader port when you connect the phone, the tool can force the firmware onto the device and bring it back to life.
- Will this firmware update my phone to a newer Android version?
- No. All available firmware versions for the Cubot X50 are based on Android 11. These updates provide bug fixes and security patches but do not upgrade the core Android OS version.
- What is the “boot key” for the Cubot X50?
- The boot key is the button combination you press to force the phone into the correct mode for flashing. For the Cubot X50, this is typically holding both Volume Up and Volume Down keys together before connecting the USB cable.
Conclusion
Restoring the official stock firmware on your Cubot X50 is the most effective way to solve major software issues, especially the widely reported camera problems. This guide provides all the official firmware files and a reliable flashing method to get your device back into excellent working order. Remember to choose the latest firmware version for your specific region and always back up your data first.
If this guide helped you, please share your experience in the comments, especially which firmware version worked for you. Your feedback helps our community!
