It depends on your needs, like mentioned above, and where you're located. For me I am connected to wifi for the majority of the day so I only rely on data for emails, notifications and sometimes searching for content (products in a mall where there i...
You can also verify that data roaming is on. I found that switching this off will cause issues with sending and receiving text. Also confirm the device is connected to the carrier network by going into settings> mobile network (may be different on yo...
Can you check setting->phone->notifications (look for badges). Sometimes this may be switched off. Also check to see if your cellular data is on. Another area to check is to login into to voicemail to see if calls are being saved to your voicemail ac...
I would first check to see if you are connected to the internet. Perform a speedtest to see whether a connection is established. If not, check settings then turn on data roaming. When I've had issues, this was turned off. If all connections are made...