Using FCM Fix, a popular tool for overcoming Firebase Cloud Messaging (FCM) limitations, can inadvertently conflict with Play Integrity, Google Play's security system designed to detect tampered apps. Although FCM Fix often employs techniques like Zygisk hiding (Magisk) or LSPosed's incognito mode to evade detection, directly modifying the behavior of core Google Play services can trigger Play Integrity's flags. Why does this happen?** Play Integrity is vigilant about ensuring the integrity of Google Play services. FCM Fix, by injecting code or altering their functionality, can be flagged as a breach in this 'unmodified' state.

**So, what options do users have?**

• **Community Support:** Reach out to FCM Fix developers or the broader community. Explore potential code adjustments that might allow FCM Fix to operate without triggering Play Integrity. Possible solutions could include excluding non-essential processes or dynamically choosing the scope of FCM Fix's actions.
• **Alternative Solutions:** If Play Integrity compatibility remains a concern, consider investigating higher-level technical workarounds or exploring alternative messaging solutions.

**The Bottom Line:** While FCM Fix offers compelling benefits, its inherent impact on Play Integrity remains a challenge. Users must weigh the benefits of FCM Fix against the potential risk of Play Integrity detection. It's essential to stay informed about community developments, potential workaround solutions, and best practices for ensuring app security and stability.