T-Mobile D30 HTC ONE s 4g (ONLY from T-Mobile) Flex Protective Cover Case Skin Shell D3O Ultimate impact Protection for TMobile HTC one S D-30 Tech 21 BLACK Form-fitting flexible gel skin cover Flex Protective Cover protects your phone from the elements Built-in D3O impact protection - scientifically protects your phone from impact Allows access to all phone functions; Easy slip-on installation Compatible with HTC One S