My mobile is Samsung galaxy A30 I recently got it every thing is fine until I started using my mobile network when i realized the network is so slow so i checked that i am not using the 4g although i selected LTE/3g/2g and still the same problem continues i cant find "4G/LTE Only" I changed apns 4g is not working it's written on the box that the device supports 4g I am a Vodafone user please help urgent
