AT&T and T-Mobile use a GSM radio chip while Verizon and Sprint have CDMA radios. The differences between the chips can be found here: http://www.pcmag.com/article2/0,2817,2407896,00.asp
Sent from my iPhone > On Apr 16, 2017, at 4:33 PM, tom holloman <[email protected]> wrote: > > Pretty sure it has both but some carriers will not activate on cdma if bought > on carrier that uses gsm. Carrier problem. > >> On Apr 16, 2017, at 10:21 AM, Harry Jacobson-Beyer <[email protected]> wrote: >> >> What is the difference in iphones that are labeled GSM and CDMA. >> >> And how do I tell which I have? >> >> I have an iPhone 6 on AT&T and my wife has an iPhone 5 on AT&T. >> >> Thanks, >> _______________________________________________ >> MacGroup mailing list >> Posting address: [email protected] >> Archive: <http://www.mail-archive.com/[email protected]/> >> Answers to questions: <http://erdos.math.louisville.edu/macgroup/> > > _______________________________________________ > MacGroup mailing list > Posting address: [email protected] > Archive: <http://www.mail-archive.com/[email protected]/> > Answers to questions: <http://erdos.math.louisville.edu/macgroup/>
_______________________________________________ MacGroup mailing list Posting address: [email protected] Archive: <http://www.mail-archive.com/[email protected]/> Answers to questions: <http://erdos.math.louisville.edu/macgroup/>
