App Data Not Restored After Copy From Nearby Device


Question

When installing a new Android 7.0 phone I chose the option to Copy From Nearby Device. All the apps on the older Android 4.4 device were copied and seem to be working but only 4 actually have any data in them: Gmail, Calendar, Hangouts (but not Hangouts Dialer) and Contacts. Every other app is an a cleanly freshly installed state: No accounts, no data, no saved games, etc.



What happened and how can I correct this? The older device is not rooted and neither is the new one yet (but I intend to do so once I figure out why).


Answer

Two possible reasons






When you set up your phone, you can quickly import Google Accounts, backed-up apps, and data from your current Android device to your new Nexus phone by using Tap & Go.




(Emphasis Supplied)



Kit Kat didn't have the cloud backup, IIRC, so it can't be whereas whatever is backed up is Google account stuff




  • Again from Google help, of you scroll down the long list of complaints, you will notice problems when both the devices were not of same version. This cannot be concluded as the main cause as it is not documented officially, but the first one is more likely IMO.



On a side note, transfer from Huawei device on KitKat to Lollipop worked but not KitKat to Marshmallow (personal experience), that's why I was sceptical about it in answering your earlier question


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