Originally Posted by jchamier:
“If you have an iPhone 7 or 7 Plus then the old 'field test' no longer works. On the 6s and earlier you can use Field Test to show which band you are connected to. It is a bit unreliable on the 6 and 6s and might need you to toggle AirPlane mode a few times to get it to show information. The 5s was the best for this.
http://www.ubersignal.com/field-test-mode”
“If you have an iPhone 7 or 7 Plus then the old 'field test' no longer works. On the 6s and earlier you can use Field Test to show which band you are connected to. It is a bit unreliable on the 6 and 6s and might need you to toggle AirPlane mode a few times to get it to show information. The 5s was the best for this.
http://www.ubersignal.com/field-test-mode”
FYI, I've never had an issue getting Field Test mode to open or work on either a 6, 6s or 6s Plus.




