Is It Possible To Use 4G SIM on 3G Phone?

Though many mobile phone users have asked this question time without numbers, i stumbled on the same question again somewhere online and i feel it's time to answer it generally for everyone.

So can I use a 4G SIM card on a 3G mobile phone? The answer is an emphatic 'YES'. It's possible, but you will not get a 4G connection. Meaning that if your network provider offers 3G and 2G networks, the SIM will connect to either of them for data and voice calls.

However, for you to enjoy 4G Internet connection and services, you need to insert your 4G SIM card in a 4G compatible mobile phone device.

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Having said that, below are some topics on 4G network that might be useful to you.

I hope this answers your question?