Google Play Store sometimes updates itself in the background on android phones. During this time, no app can be downloaded from play store. If you keep downloading the apps during the upgrade process then google play store will return an error 927.
1. Clear App Cache: Error 927 sometimes appear due to no space left for storing cache on your android phone.You have to clear the old cache to let the app store new cache.
To clear the cache follow the steps below :-
a). Clear App Cache On Android 2.3 Gingerbread :
To clear Google play store app cache on android 2.3 gingerbread,
1). go to 'Settings>Applications>Manage applications>Google Play Store>Clear data & Clear cache'.
2). Also goto'Settings>Applications>Manage applications>Google Play Services>Clear data & Clear cache'.
b). Clear App Cache On Android 4.1/Android 4.2/Android 4.3 Jellybean:
To clearGoogle play store app cache on android jellybean
1). go to'Settings>Device>Application manager>Google Play Store>Clear data & Clear cache'.
2). Also goto 'Settings>Device>Application manager>Google PlayServices>Clear data & Clear cache'.
There are lots of play store applications available to clear your cache to increase your mobile speed. Just search "Cache cleaner" or similar search terms to get best for you.
2. No Space Left On Phone: Your phone should have adequate space left to download and install apps from Google play, otherwise due to lack of storage space they won't be installed. So free some space on your phone.
After following above tips the Google play store error 927 will be resolved. If you ever face it again then reply below. Our team will be happy to assist you.