After transferring data from android to iPhone using iOS transfer, all of my one on one messages had been turned over not groups for no reason. How can I fix this and remove the two middle contacts in this situation? I tried swiping left but was unsuccessful in achieving anything.

Hi I recently changed from iPhone 4 to 6s. I synched across my ringtones with iTunes and assigned my wife in phone contacts to play a ringtone of a song called "Dialogue". The ringtone plays if you test it, but when she rings I get the default night owl tone. I've googled around by there...