Updating roaming on iphone
It is only going to reset the counters that it keeps for the “Current Period” statistics.
There is also the possibility that the issue stems from a fundamental flaw with how the i Phone 7 using i OS 10 interacts with any CDMA-based network, which includes those of Verizon, Sprint, US Cellular and numerous other international carriers.
If you have an older i Phone, you won’t see the update pop up. But i Phone 7 owners began complaining late last month and well into October about the device randomly dropping its LTE signal or showing a "No Service" icon when attempting to use Google Maps or Waze.
This appears to be an issue mainly with how the phone interacted with Verizon’s network, and some users have theorized that it had to do with how the telecom handles transmitting voice and cellular data simultaneously.
Step 3: Scroll to the bottom of the screen, then touch the Reset Statistics button.
Step 4: Touch the red Reset Statistics button at the bottom of the screen.