1. Wrong card type. 2. Not inserted correctly. 3. Card is damaged. 4. Phone software issue. 5. Faulty card slot.
Follow these steps to resolve the issue:
1. Check card type compatibility. 2. Insert the card properly. 3. Try a new card or check if it works on another device. 4. Update phone software. 5. Restart phone or seek help from a professional.
Be sure to click the 3 dots and " ✓ Accept as Solution" when you find an answer that works for you.
