Why is my 5G phone slower?

Third solution: Force restart your iPhone After refreshing the connection and your iPhone 12 is still having a very slow internet connection, it’s time that you refreshed its memory, as well as reload all its applications and services. You can do so by doing the Forced restart.

Technically. So, why are some 5G connections so slow? The first, and most impactful, reason is that the far-reaching 5G signals that have powered the vast majority of carrier rollouts in the US – especially from AT&T and, to a lesser extent, T-Mobile – have used low-band carrier frequencies.

If you were using LTE before and 5G is slow, that’s clearly a cellular carrier issue . It’s an issue with many networks because cellular carriers have been in such a hurry to turn on 5G that devices connect to 5G on the tower before the infrastructure to the tower can be upgraded.

If you want to use 5G with Dual SIM on iPhone 12 models, make sure that you have iOS 14.5 or later . You can choose to always stream the highest quality content by going to Settings > Music > Cellular Data and turning on High Quality Streaming and Settings > TV > Cellular and tapping High Quality.