This is normal for the first 48 hours. The Android system is re-caching apps. Use the phone normally for 2-3 days. If it persists, perform a Factory Reset (backup first!).
Before diving into the "how," let’s understand the "why." Many users ignore update notifications, but here’s what you miss out on: how to update software on infinix note 40x 5g
Using unofficial or mismatched firmware can brick the device. Always verify the build number (e.g., XOS version for NOTE 40X 5G) before proceeding. This is normal for the first 48 hours