Iphone not getting connected to 4g
Iphone not getting connected to 4g though 4g network available. Most of the time it showing 3g connection
make sure 4g Carrier available on your location..
If you insert a new SIM card into your iPhone or iPad, you need to download the carrier settings for your new carrier.
for more details:If you see No Service or Searching on your iPhone or iPad - Apple Support
Iphone not getting connected to 4g