When we want to sold our smartphone and wat to buy new, then majour problem is contacts transfer from old mobile to new. We can solve this issue easily by using the app called PhoneSwappr which support cross plateform. If you want to change your mobile then try this app to transfer your important contacts and data without computer. You can transfer data from any Nokia windows phone to iPhone 4/5/6 easily using this app. This app is 100% free and keep data for seven days, it download your contacts and upload to your new mobile although it have different plateform. App support iOS, Android and mobile windows operating system, so no prblem if you have any operating system.
Keep in mind this app store contacts on cloud for 7 days, after 7 days data will be deleted. Upload your data instantly to new mobile.
Now you have completed the procedure easily without any computer or cable. No signup or registration required to use this app.