Okay! You ought to obtain a dual sim card holder being made by 2-phones-in-1. This company is making dual sim card holders with auto switches so that you don?t have to do so by hand. You can visit the company?s site http://www.2-phones-in-1.com for other technical queries. Dual sim card holders are available that can be used with 3G compatible phones, will help in internet surfing and will work well with UMTS.