Having a cell phone without a data mobile use battery?

Quick question, although it might be a bit silly... the fact to have airplane off the coast with mobile data Mode (to just send SMS and call, idk what it's called) uses a lot of battery? Not make a call or something, but only at idle or using a Wi - Fi connection.

Yes, a cellular connection uses energy just sitting there. It reports periodically on its location on the network, so the network can find the phone for incoming calls. It does not usually use a lot of energy, but if you are in a weak signal area battery drain will be noticeable. And if you regularly lose signal completely, it may use more energy just trying to reconnect. In addition, some applications that are not well written will use energy in trying to update when there is no data connection, which will use energy.

Tags: iPhone

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