Assuming you want to stick with the Vi network (formerly Idea), follow this exact process to upgrade your plan , even if you discard the dongle.
Are you still stuck with an old Idea 3G Netsetter dongle? In today’s world of high-speed streaming and instant downloads, crawling along on 3G speeds can be frustrating. The good news is that you don't need to throw away your current device to enjoy 4G speeds. idea 3g netsetter upgrade to 4g
| Data Allowance | Validity | Price | |----------------|----------|-------| | 1 GB | 1 day | ₹19-₹22 (varies by region) | | 2 GB | 2 days | ₹33 | | 3 GB | 28 days | ₹69 | | 6 GB (3GB + extra 3GB) | 3 days | ₹48 | | 6 GB | 7 days | ₹89 | | 12 GB | 28 days | ₹139 | Assuming you want to stick with the Vi