5G+ not working on iPhone 13

Disable WiFi and dial *3001#12345#* on your Phone dialer.

You will see a similar screen as shown below

Your reading appears to show n77/n78,

• Band n77: Covers 3300–4200 MHz.
• Band n78: Covers 3300–3800 MHz.

Both are mid-band 5G frequencies. Band n78 is widely used for 5G deployments in India.

See this link --> Experience the5G revolution with Airtel 5G Plus

Show them the above link, if they say do not know. The area where you are using your device must have Airtel 5G Plus network coverage for the service to work. Availability depends on Airtel's network coverage in your location.

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This is a duplicate of your other thread – the one you started less than an hour before this one.

How to enable 5G+ on iPhone 13 with Airte… - Apple Community

Please do not post duplicate threads.