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Troubleshooting “Can’t Sign In With Google on Apps” After Rooting: A Comprehensive Guide

At Magisk Modules Repository, we understand the frustration of encountering issues after rooting your Android device, especially when core functionalities like Google account sign-in cease to function. This comprehensive guide will delve into the common causes behind the “Can’t Sign In With Google on Apps” error after rooting with Magisk (specifically Kitsune Magisk, as mentioned) and provide detailed troubleshooting steps. We will also address specific issues related to passing integrity checks and seemingly unrelated banking app functionality, ensuring a holistic approach to resolving the problem.

Understanding the Root Cause: Why Rooting Can Affect Google Sign-In

The core issue lies in Google’s robust security measures designed to protect user data. Rooting fundamentally alters the system’s security posture, potentially exposing it to vulnerabilities. While Magisk is designed to be systemless, meaning it aims to modify the system without directly altering the system partition, Google’s SafetyNet and Play Integrity API actively detect root and related modifications. These APIs are used by apps to determine if the device is secure enough to grant access, and often impact login functionality. Here’s a more granular breakdown:

Even if you’re passing basic integrity checks, the Play Integrity API can still cause issues if it detects inconsistencies or vulnerabilities related to the root environment, or simply due to implementation peculiarities of particular apps.

Preliminary Checks and Preparations

Before diving into more advanced troubleshooting, ensure the following:

  1. Stable Internet Connection: A weak or unstable internet connection can sometimes cause sign-in errors. Try switching between Wi-Fi and mobile data.
  2. Correct Date and Time: An incorrect date and time can interfere with secure connections. Ensure your device’s date and time are set automatically via network provider.
  3. Google Play Services and Google Play Store Updates: Outdated versions of these apps can cause compatibility issues. Go to the Play Store, search for them, and update if updates are available. Clear the cache and data of both apps after updating.

Detailed Troubleshooting Steps: Addressing Integrity and Magisk Configuration

We’ll now address the core issues relating to root detection and potential conflicts with Magisk.

1. Ensuring Proper MagiskHide Configuration (If Applicable)

Although MagiskHide is deprecated, some legacy setups might still rely on it. Verify if any modules are still actively using MagiskHide. If so, consider migrating to Zygisk and Shamiko for improved hiding capabilities.

2. Implementing Zygisk and Shamiko: The Modern Approach to Root Hiding

Zygisk is a more modern way to load modules and allows for more precise root hiding than the old MagiskHide. Shamiko is a module designed specifically to work with Zygisk to further enhance the hiding capabilities and make sure that your root will be invisible for almost all the apps.

3. Configuring DenyList (Formerly Known as MagiskHide)

The DenyList allows you to specifically hide root from certain apps. Even if you’re passing initial integrity checks, some apps might have more aggressive detection mechanisms.

4. Clearing Google Play Services Data: A Crucial Step

Google Play Services plays a central role in app authentication and integrity checks. Clearing its data can resolve cached conflicts.

5. Verifying Module Compatibility and Conflicts

Incompatible or conflicting Magisk modules can inadvertently trigger root detection or interfere with system processes.

6. Checking for SELinux Issues

SELinux (Security-Enhanced Linux) is a security module in Android that can sometimes interfere with rooted devices. While Magisk typically handles SELinux context, it’s worth checking if any specific modules or configurations are causing problems.

7. Device Fingerprint Considerations

Sometimes, a mismatch between your device’s actual fingerprint and what Google expects can cause issues. This is less common but can occur after ROM flashing or major system updates.

8. Addressing Potential CTS Profile Mismatch

CTS (Compatibility Test Suite) Profile mismatch can be a cause of concern if you are failing to pass integrity checks. The CTS profile verifies if your device’s software build meets Google’s compatibility requirements.

9. Specific Considerations for Kitsune Magisk

Since you mentioned using Kitsune Magisk, it’s important to consider any specific configurations or quirks associated with it.

Advanced Troubleshooting: Log Analysis and Device-Specific Issues

If the above steps don’t resolve the issue, more in-depth analysis might be required.

1. Analyzing Magisk Logs

Magisk logs can provide valuable clues about what’s happening behind the scenes.

2. Addressing Device-Specific Issues

Some devices might have specific quirks or hardware-level security features that can interfere with rooting and Google sign-in.

Addressing Banking App Functionality (Relevance to Root Detection)

The fact that your banking apps are working fine doesn’t necessarily mean that Google sign-in should also work. Banking apps often use different detection mechanisms or have different security requirements. However, it does indicate that your basic root hiding setup is partially functional. Use the troubleshooting steps above to refine your setup and address any remaining issues.

Reverting to Stock (Last Resort)

If all else fails, consider reverting your device to its stock ROM. This will remove root and restore the device to its original state.

Conclusion

Troubleshooting Google sign-in issues after rooting can be complex, but by following these detailed steps, you can systematically identify and resolve the underlying problems. Remember to approach each step carefully, understand the risks involved, and seek help from experienced users or developers when needed. We hope this comprehensive guide helps you regain full functionality on your rooted Android device. Visit Magisk Modules and Magisk Module Repository for more resources and support.

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