Overview: Change your micro sim card to standard sim card Use one sim card on all devices Easy operating. One step is ok Then you can use it both in iPhone 4 / iPad or your any cellphone model Specification: Dimensions: 0.98 in x 0.59 in x 0.04 in (2.5 cm x 1.5 cm x 0.1 cm) Weight: 0.14 oz (4