Multiple phone numbers and plans can be managed hassle-free thanks to this convenience. Dual SIM technology makes using data a smooth experience, enabling you to quickly switch between the two numbers for inslots for freeternet access. Your device's dual SIM allows you to select which number to use for data connections. This implies you can use a local SIM card while traveling without losing access to your home data plan, or you can use one number for personal and another for work-related data usage. Also, some dual SIM phones allow you to use both numbers for data at the same time, which increases convenience and flexibility.