Does opening a pre-installed app use my plans data? iPhone 5c.

[iMore Question]

I am totally new at this.

 

[SwitchBeach]

It depends on the app.
Mail - yes
Safari - yes
Calendar - mostly no
Phone - no
Music - no if you are playing songs that are physically stored on the phone
Videos - no if you are viewing videos that are physically stored on the phone
Camera - no
Photos - no if you are viewing pictures that are physically stored on the phone
App Store - yes
iTunes Store - yes
Maps - yes
Phone - no


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