I have been unable to pass data (email, internet, etc) since the iOS 7 update. Also just went to iOS 7.0.2. It works fine in LTE. If I am in 3G or 1X I get zero data. I can make calls and text (but not MMS). It does work with wifi, but not 3G or 1X. Been in four different cities last few weeks, problem persists. Went into sprint store and they said I had the "authentication issue" and made an appointment at the Apple store and swapped it out. New phone, same issues. Definitely on Sprint service end (or an issue with Sprint and iOS7). I have tried to update the PRL (##UPDATE#) and or clear the network settings and no help. If I am on wifi, it does update the PRL, issue remains. If I am on 3G or 1X the update fails and when I try to get email or internet it says "can not activate cellular data network." Given that LTE coverage is spotty at best in most major cities I travel to, my previously decent iPhone 5 is now no more than a glorified iPod. Any ideas???
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I have a iphone 4 and it constantly goes between 3G and 1x (small x)... its very annoying. what's the fix for this. there's too many replies in the thread to read thru all of it. please advise.