There are a number of errors shows on Google play store while updating or download any apps from the google play store.
Error 927 is something that everyone faces, i mean its kinda common now.
To solve Error 927
you can do these three things-:
1. Clear Cache of Ply Store app and play service app.
2. Then you can try to remove and add your Google account.
3. Or you can try to uninstall unnecessary apps from your phone.
These 3 will surely solve your problem.
(Not my site)