... 4g gsm model. 2. back cover, inside frame black bezel frame for iphone 4, Specifications 1. fully replacement ... Frame, back cover, all OEM type.4. Color: Black, white5. 100% testing before shipment.6. Packing: Poly bag+bubber ... ,000pcs for each item , need 3 days for 100% testing.if 2,000-3,000pcs for each item ... , need 5 days for 100% testing.8. Max Lot Shipment Capacity: 3,000pcs ...