Replacement Kit: These metal plates for magnetic mount work with any cell phone holder for car or home and easily attach to the back of your iPhone, Android, tablet, or case. The strong connection with the phone mount’s magnet securely holds your device | Secure Hold: Easily attach these metal mount plates to the back of your phone or case using strong automotive-grade adhesive. Designed for use with magnetic cell phone holders, these plates create the secure magnetic connection your phone case needs to lock firmly onto your car mount | Universal Compatibility: Our metal phone plate works with any magnetic car cell phone holder for dashboard, windshield or vent. The metal plates come in different sizes to support large and smaller size devices. Apply directly to your wireless device or phone case | Protective Film: Apply the film to your device or case before adding the metal plate, ensuring easy attachment and removal without residue or damage. It creates a smooth barrier, keeping your phone safe while maintaining a secure connection with the mount | MagicPlate Placement: Ensure a strong magnetic hold for larger or heavier phones by placing the MagicPlate directly on your phone or on the outside of your phone case. For optimal results, wait 24 hours after applying the MagicPlate before using the car mount. Note: All devices must use the included plates; not compatible with MagSafe | Buy with Confidence: The MagicPlate kit includes a large metal plate with 3M adhesive and small metal plate with 3M adhesive, protective film and user manual. Backed by Scosche’s Lifetime Tech Support and Limited 3-Year Warranty