H howardn macrumors newbie Original poster Jun 24, 2010 #1 On my gen 1 iPhone if you dialed *3001#12345#* you could access the service menu and see the signal strength. Anyone know how you do this on an iPhone4?
On my gen 1 iPhone if you dialed *3001#12345#* you could access the service menu and see the signal strength. Anyone know how you do this on an iPhone4?