Occasionally, a phone may not charge on the pad. This is usually because the phone case is too thick (>7mm or 0.3 inches), or the phone case has accessories that interfere with charging such as kickstands, rings, magnetic mounts, pop sockets or credit card holders. Try removing the case and any accessories. If this still doesn’t work, try flipping the phone upside down to charge. Alternatively, charge your phone using a USB port. Note: Tesla vehicles will not charge a phone if the vehicle's battery is discharged.