i developing app using uidevices identifierforvalue track users behavior. in present know under scenarion shown below, value of identifierforvendor change:
- app uninstall , install again
as know mobile device, there`re scenario need take consideration. how value of identifierforvendor in following circumstances:
- if subscriber change one`s sim still using same phone
- if subscriber use same sim change phone. example, 1 stop using iphone 6 , use iphone 6s instead data restored itune`s backup data.
if subscriber use apple id in same phone. ideas? appreciated.
identifierforvendor doesn't take account sim card or apple id. alternative udid doesn't allow tracking specific device , constant device until every app of vendor on device uninstalled. used identifier , switched sim , apple id in past , didn't notice identifier changing.
