Troubleshooting Google Mobile Services (GMS) issues on Color OS can be frustrating, especially when it comes to features like notifications and push updates. Luckily, there are some solutions you can implement to get things running smoothly again. Here's a breakdown of common problems and how to fix them:

**1. fcmfix and System Frameworks:**

One common issue is fcmfix not working as intended. To resolve this, ensure you only select 'system frameworks' when using fcmfix, avoiding 'gms' selection. This prevents disruption of Google certification.

**2. Color OS Blacklisted Applications:**

Color OS sometimes adds Google's core applications to a blacklisted list, causing GMS communication issues. To fix this, modify the Color OS blacklisting settings to remove Google's trio of apps (Gmail, Google Play Services, and Google Chrome). This allows GMS heartbeat functionality to remain active.

**3. Automating Title Changes:**

Another hurdle is the possibility of your device reverting its title settings, disrupting push notifications. To circumvent this, create a script that automatically changes the device's title every 10 minutes. This prevents manual intervention and ensures that even if a 'tombstone' app blocks your device, fcm can still successfully deliver push notifications.

Following these steps should help restore functionality to your GMS applications on Color OS and ensure a smooth user experience.

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