Only if phone locks up or you're not getting emails on it, which happens very rarely for me.

You also want to dial *228 and pick option 2 to download the most current cell tower info. I do it occasionally when I'm in an area I haven't been in awhile or in a new area.

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You have your way. I have my way. As for the right way, the correct way, and the only way, it does not exist.