Dual SIM phones offers uses enhanced flexibility to use their phones, for example, when travelling, using them simultaneously for business and personal use, or even just for taking advantages of the different pricing plans available. There are three basic types of dual SIM phone – standard, standby, and active. Standby and active dual SIM phones offer additional benefits over the traditional type, which requires manually switching between the two SIM cards, but not everyone may benefit from the extra functionality. When it comes to buying dual SIM phones, other factors that should be considered include the number of SIM card details that can be stored, battery life, and general features such as camera, apps, size, and user interface.
People really do need to check carefully when buying dual SIM phones though to see exactly what both slot can and cannot do. Most phone uses dual standby which mean only one slot can support high speed connection at any given time.