He just used Alltel as one example. There are plently of towers by different companies all over.
Yes, you want to do this. I generally do it once a month or so, but you could also just check out online when new versions are released and do it then.
Either way, it's quick and simple, takes about 2 minutes.
+1
I have been doing this almost once a month since I first joined VZW with this phone!
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