How to Enable Field Test Mode on iPhone

How To's, iOS, iPhone

Difficulty: Easy (Learn More)

Field Test Mode is a function found on devices allowing access to technical data regarding your cellular connection. It can be used for troubleshooting, diagnostics, and testing.

1: Open the Phone app.

2: Select the Keypad option in the bottom menu.

3: Key in the numbers/symbols: “*3001#123453*

4: Press the call button to enter the Field Test app.

This Article Was Last Updated: July 26, 2020 @ 1:29 am
ID: 329