Steps how to fix Backup Assistant errors like Invalid pin, sync error, unable to sync error or error codes 313, 216, 202, 308, 305, 25, 5 or any other reason where you are unable to sync your contacts.
Press Menu –
then APPS or Manage APPS
Scroll to ALL –
Scroll down to B for Backup Assistant. You may find one or more and you till do the same steps for all of the apps that have the Backup Assistant name in them.
Press Clear Cache then Clear Data and OK and then…