In recent years, smartphone makers have adopted eSIM technology for convenience, with some phones ditching the physical SIM ...

A multi-carrier GSM phone with two, three or four SIM cards. Dual-SIM phones are popular with global travelers who use local and foreign carriers as well as people who want a business and personal ...

Dual-SIM unlocked phones make it possible to use two networks at once. Say you want to use a carrier for calls/texts and another for data. Maybe you travel often and want to have a SIM card from ...

Mobile manufacturers have created ingenious phones that are able to handle more than one SIM card at any given time. For example, mobile handset manufacturer Samsung recently announced a multi-SIM ...

When you have a dual-SIM phone, you will be able to use different SIM cards for making calls on separate numbers and also send texts using different numbers. Most WhatsApp users think that it is ...

The phone comes with 4GB RAM and 64GB storage, expandable up to 512GB with a memory card.The Samsung Galaxy M21 is powered by a 9611 octa-core processor and supports dual SIM connectivity.