This is the most direct and official method. It involves getting a new device specifically designed to connect to 4G LTE networks.
Vi offers a seamless online process where you can order a new 4G dongle and often trade in your old one. idea 3g netsetter upgrade to 4g
Even with new hardware, your old 3G SIM card will not connect to 4G networks. You must upgrade to a . This is the most direct and official method
Pop the upgraded SIM into the phone, turn on "Portable Hotspot" in the network settings, and connect your laptop via Wi-Fi. Step 3: Configuring APN Settings for Vi 4G idea 3g netsetter upgrade to 4g