iPhone Field Mode
Apparently the iPhone has a pretty nice Fieldmode ("Network Monitor"; / "Netmon"; / … ) which allows the user to view a bunch of verbose network data.
Access it by "calling"; 3001#12345#
This is what it looks like:
Apparently the iPhone has a pretty nice Fieldmode ("Network Monitor"; / "Netmon"; / … ) which allows the user to view a bunch of verbose network data.
Access it by "calling"; 3001#12345#
This is what it looks like: