Troubleshooting Magisk Boot Errors on Google Pixel 7: 'Boot Failure' Issue

This guide outlines steps to troubleshoot a 'Boot Failure' error experienced on a Google Pixel 7 when attempting to install Magisk. The issue arises during the boot process, leaving the device stuck in recovery mode.

**Symptoms:**
- Device reboots into recovery mode.
- Error message: 'Boot Failure'
- No access to the primary boot environment

**Procedure:**
1. **Obtain Matching Firmware:** Download the latest firmware package compatible with your Pixel 7 model from a trusted source like Google's official website. Ensure the firmware matches your device's specific variant.
2. **Extract init_boot.img:** Extract the 'init_boot.img' file from the downloaded firmware archive. This file is crucial for the root installation process.
3. **Patch init_boot.img:** Transfer the extracted 'init_boot.img' to your Pixel 7 and use the Magisk app to patch it. This integrates Magisk functionalities into the boot image.
4. **Transfer Back to PC:** Transfer the patched 'init_boot.img' back to your computer.
5. **Fastboot Flashing:** Reboot your Pixel 7 into fastboot mode. Then, use the following fastboot commands in your command prompt or terminal window:
```bash
fastboot flash boot path/to/patched/file
fastboot flash init_boot path/to/patched/file
```
Replace 'path/to/patched/file' with the actual file path to the patched 'init_boot.img'
6. **Reboot:** Restart your Pixel 7.

**Troubleshooting:**
- If the issue persists, recheck the firmware compatibility and ensure you're patching the correct 'init_boot.img' file.
- Double-check the Magisk app installation and ensure it's compatible with your Pixel 7 and Android version.
- Try using both the stable and canary builds of Magisk to see if either resolves the issue.
- Consider seeking assistance from the Magisk community forum for further guidance.

**Note:** Attaching relevant logs (such as Mounts file) can be helpful when seeking assistance from the Magisk community.

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