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Updating the Huawei MediaPad X1 7.0 (7D-501u/7D-503L) to Android 5.0 Lollipop
typically requires a manual installation, as the official over-the-air (OTA) support for this legacy device has ended. Preparation Backup Data:
Copy all photos, contacts, and documents to a cloud service or PC. Manual updates usually wipe the internal storage. Ensure the tablet has at least 60% charge to prevent it from shutting down during the flash. MicroSD Card:
You will need a formatted MicroSD card with at least 4GB of free space. Manual Installation Steps Download Firmware: Locate the correct firmware package (often named update.zip or contained in a folder called
) for your specific model (e.g., 7D-501u or 7D-503L). You can often find these on archive sites like XDA Developers Huawei Support Prepare the SD Card: Create a folder named in the root directory of your MicroSD card. UPDATE.APP file from the downloaded package into this Initiate Update: Method A (System Settings): If the tablet still boots, go to Settings > System Update > Menu > Local Update Method B (Force Update): If the tablet is off, hold the Volume Up + Volume Down + Power buttons simultaneously. The device should detect the folder and start the installation automatically. Completion:
The device will reboot once the installation reaches 100%. The first boot after a major update can take 5–10 minutes. HUAWEI Global Post-Update Tips Factory Reset: huawei mediapad x1 70 update lollipop install
If you experience lag or app crashes after reaching Lollipop, perform a factory reset from the settings to clear old system cache. Google Services:
Older firmware versions for the X1 (especially Chinese versions) may not include the Google Play Store. You may need to sideload Google Mobile Services (GMS) manually. Do you have the specific model number
(found in Settings > About Tablet) to ensure you download the correct regional firmware? Update Your Device System Online | HUAWEI Support UK
No custom ROM is perfect. Here are known bugs with CM12.1 on MediaPad X1 and how to fix them:
| Issue | Workaround/Fix | |-------|----------------| | Screen rotation lag | Disable “Auto-rotate” and use an app like “Rotation Control”. | | Video recording crashes | Use a third-party camera app (e.g., Open Camera) set to 720p. | | Battery percentage not accurate | Calibrate battery: Drain to 0%, charge to 100% while off. | | No deep sleep | Install “Greenify” and hibernate background apps. | | Mobile data disconnects | Set APN manually. Go to Settings → Mobile networks → Access Point Names → Reset to default. | Updating the Huawei MediaPad X1 7
What works perfectly: Calls, SMS, 4G/3G, WiFi, Bluetooth, GPS, MTP file transfer, YouTube, Netflix (Lollipop compatible versions).
Appendix A: Useful ADB/Fastboot Commands Cheat Sheet
| Command | Description |
|---------|-------------|
| adb devices | List connected devices |
| adb reboot bootloader | Reboot to fastboot mode |
| fastboot flash recovery recovery.img | Flash custom recovery |
| fastboot erase cache | Clear cache partition |
| adb shell | Open Android shell |
| adb logcat | View system logs |
Appendix B: Known Stable ROMs for MediaPad X1 (Android 5.1.1)
Always verify SHA-256 checksums before flashing. About tablet >
End of paper
Preparation
Update Methods
Huawei provides two methods to update the MediaPad X1 7.0 to Lollipop: