Experience the high-speed 5G network of India with 30X download speed than 4G connection. Explore more about 5G offerings on Airtel. Ready to experience the lightning-fast speeds of Airtel's 5G network? Here's a step-by-step guide to activate Airtel 5G. If you've just bought a new Airtel 5G SIM or switched from a 4G SIM, you need to activate it. This activation process is simple and can be done via SMS, online portal, or an Airtel store. How to Activate Your New Airtel SIM Card? Power off your phone and insert the new Airtel 5G SIM into the slot. Switch on your device and wait for the network signal to appear. Call 59059 from your Airtel number to complete the activation process. Follow the IVR instructions to verify your identity. Your SIM should be activate within a few hours.