Locate the gear icon on your home screen or inside the app drawer. Tap to open.
Check if Developer Options is hidden again. Go to Settings → Apps → See all apps → tap 3-dot menu → Show system → search for "Settings Suggestions" → Clear data. Then repeat Step 3. How to Open Developer Options on INFINIX Smart 8
: Tap the Build number quickly seven times in a row. Locate the gear icon on your home screen