Troubleshooting Magisk Mount Issues After Update: The 'File Exists' Error

After updating Magisk, you might encounter an error message indicating a 'File exists' issue during boot. This typically manifests as an error related to creating a symlink for Magisk in the '/dev/magisk' or '/debug_ramdisk/.magisk/preinit' directory. Often this error occurs due to remnants of the previous Magisk installation.

Let's explore the common causes and solutions for this 'File exists' error in your Magisk logs:

**Possible Causes:**

1. **Incomplete Uninstall:** If you didn't completely uninstall the previous Magisk version, leftover files might be causing the conflict.
2. **Corrupted Partitions:** In some cases, corrupted partitions within your system could be preventing Magisk from properly mounting.
3. **Magisk Version Incompatibility:** While rare, there might be an issue with compatibility between your device, Android version, and the newly installed Magisk version.

**Troubleshooting Steps:**

1. **Verify Magisk Installation:** Double-check that you successfully installed the new Magisk version. Ensure you followed the appropriate installation process for your device and Android version.

2. **Complete Uninstallation:** If you suspect an incomplete uninstall, try manually removing any Magisk-related files or folders from the system using a file manager like Root Explorer.

3. **Clear Cache and Dalvik Cache:** Navigate to your device's recovery mode and perform a clear cache and Dalvik cache operation. This can sometimes resolve issues related to cached system files.

4. **Reinstall Magisk:** After clearing the cache, retry installing Magisk fresh. Ensure you're using the correct version for your device and Android version.

**If the Problem Persists:**

* Seek help from the Magisk community forums or resources. They often have detailed guides and solutions for specific device models and error messages.
* Consider contacting Magisk developers directly for assistance.
* Be cautious when experimenting with modifications or flashing custom ROMs, as these actions can further complicate the issue.

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