Are you getting the Error retrieving information from server [RPC:S-7:AEC-7] from Google Play Store? This problem generally happened when updating or downloading or installing an application from Google Play Store due to cache problem or google store account corruption. Here we have two methods to resolve the issues. The first method is to clear all cache and data regarding Google Play Store and the second method is to remove and re-add an google play store account. Please follow the instruction to get rid of the error message from Google Play Store.
Method 01. Clear all cache and data
01. Go to ”Settings” -> “Applications” -> “Manage Applications” and select “All”
02. Go to “Google Play Services Framework” and select “Clear Data” & Clear Cache to remove all the data.
03. Go to “Google Play Store” and Select “Clear Data” & Cache to remove all the data regarding Google Play Store.
04. “Restart” your cellphone and Check if you still get the error message [rpc s-7 aec-7]. If so, Please try the second method.
Method 02. Remove and Re-Add Your Google Play Store Account.
01. Go to “Settings” -> “Accounts” -> “Google” -> Select “Your Account”
02. Go to “Menu” and Select “Remove Account”, and then “Re-Add Your Account”.
03. Now “Restart” your mobile device and try to perform update or download.