Go to Settings → System → System Update .
Scroll down and tap System .
Open the Settings app on your Hot 30 Play.
Keeping your INFINIX Hot 30 Play updated is crucial for getting the latest security patches, new features, bug fixes, and performance improvements. The Hot 30 Play runs on XOS (based on Android), and the update process is straightforward.
Tap the three-dot menu (or gear icon) in the top-right corner.
Navigate to the .zip file you downloaded, select it, then confirm Install .
Download the official update .zip file to your phone’s Internal Storage (not into any folder—place it in the root directory).