Installing Magisk on custom ROMs like CrDroid 10.1 GSI can sometimes present challenges. This article aims to help troubleshoot a common issue where the phone hangs at the 'Tecno' logo after replacing the boot.img with a Magisk-patched version. While manually mounting partitions and loading specific kernel modules might allow the phone to boot into the OS, crucial functionalities like the camera, fingerprint sensor, and other modules might be missing.

This issue often stems from compatibility problems between the Magisk version and the CrDroid ROM or potentially an incompatibility with the device's specific hardware. The provided log files (link to the log files should be provided) can shed light on the specific error encountered during the boot process.

The error message "unsupported image" when trying to flash the install.zip through TWRP usually points towards an issue with the fstab file. This file defines how partitions are mounted, and any discrepancies between the fstab in the Magisk install.zip and the device's specific setup can lead to installation failures.

Here's a breakdown of possible solutions and troubleshooting steps:

**1. Verify Magisk Version Compatibility:**
- Ensure you are using a Magisk version compatible with your CrDroid 10.1 GSI build. Refer to the CrDroid documentation or XDA forum threads for recommended Magisk versions.
**2. Examine Log Files:**
- Analyze the provided log files (link to the log files should be provided) carefully to identify specific error messages or warnings. These logs often contain valuable clues about the root cause of the issue.
**3. Check fstab Configuration:**
- Compare the fstab file within the Magisk install.zip with your device's stock fstab. Look for any discrepancies in partition mount points, types, or options.
**4. Try a Different Magisk Patch:**
- If possible, experiment with different Magisk patch versions to see if one resolves the boot problems.
**5. Consider a Cleaner Flash:**
- Perform a clean flash of your CrDroid 10.1 GSI, ensuring you wipe all data partitions (data, cache, dalvik/art cache) before flashing the patched boot.img.
**6. Seek Community Support:**
- Post your issue on the CrDroid XDA forum or other relevant Android development communities. Providing detailed information about your device, ROM version, Magisk version, and logs can help community members identify the problem and suggest solutions.

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