5g

majdouline23 wrote:

I couldn’t find the option of using 5g on my iphone

5G cellular requires an iPhone 12 or newer, and a cellular plan with 5G, and an available 5G network.

If you have all that, check with your carrier.

For which model please?

Does your cellular provider have 5G coverage?

Have you subscribed to a 5G plan?

Have you obtained a new SIM capable of using 5G?