If you’ve ever upgraded your phone, you likely know what a SIM card is and what it’s for. In short, a SIM card is a small chip that lets you connect to your carrier’s network. These days, physical SIM ...
Until now, only private telecom companies like Reliance Jio, Airtel, and Vodafone Idea (Vi) offered e-SIM services. However, now the state-owned telecom company BSNL has also launched its eSIM service ...