use iphone without service provider
altrendo images/Stockbyte/Getty Images. Thanks to a growing number of Wi-Fi hotspots around the country, using apps on your iPhone without cellular service is easier than ever. Carriers such as T-Mobile even allow for calling and texting over Wi-Fi if you're outside of a cellular coverage area.hanks to a growing number of Wi-Fi hotspots around the country, using apps on your iPhone without cellular service is easier than ever.