youngjm
Posts: 8,092
Topics: 123
Kudos: 193
Solutions: 259
Registered: ‎05-02-2003
My Device: iPhone 5
Re: iPhone 4s excessive cellular data usage

You need to look at your apps that are running in the background.  Something is communicating with a server somewhere.  Double tap the home key to bring up the doc.  Press and hold one of the apps and close all your suspended apps.

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