I understand your need and have an excellent option for you. You must buy the dual sim card holder with a menu based sim card switch from 2-phones-in-1. Just click at Dualsim Adapters and Dualsim Phones | 2-phones-in-1 and get all the details. They have many updated models to suit all phones. The dual sim card holders can be used in the Nokia N95, Samsung, Omnia, LG, and other latest handsets.