Not sure if this is what you are looking for, but while I was in Mexico and didn't want to use the S4 as a phone but wanted wifi and Internet access from the hotel, Sprint rep told me to set the phone to Airplane Mode so the phone had no radio access to towers. Then I could connect to the hotel wifi with no charges and no minutes used. Worked GREAT! ! My billing cycle cycle changed while I was gone so I checked it when I got home. No minutes used and no data used. I was a happy camper! I used the phone as a mini laptop the entire time I was gone. I wish I knew that last year. Sends like that would work at home as well.
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