As a default feature, Android OS doesn’t offer the option of deleting several contacts on your smartphone, and it doesn’t allow us to delete duplicate contacts. Maybe, you’ve messing the Contacts book you have created by importing it from a SIM and then import those contacts from backups on SDcard and thought that it will overwrite your current contacts or blend with them. You’re not right because this can result in duplicate entries and result in several contacts with the same phone numbers and names in the Phonebook.
Additionally, if your Android phone is also connected to an account on Gmail, Twitter and Facebook account, which are configured to sync automatically to your contact list, then it could result in bloated Contacts that are difficult to figure out!
It’s impossible to manually delete each duplicate phone number and all contacts, and if you have hundreds of duplicate contacts, then simply forget about it. We’re here to provide a quick and easy method to wipe all contacts, and then transfer them back to your phone after sorting and combining the duplicate entries. See below for:
Note This method removes your phone of the call Log as well as Contacts you have a preference for off your mobile.
Before you proceed ensure that you backup your contacts to your SDcard. To save contacts on your SD card, press the menu button and choose Import/Export. Select the “Export to SD card” option, and then select”OK” to verify. The process will take a while to be completed!
To delete all contactsTo remove all contacts, go into Settings, Applications and Manage apps and then click the All tab. Find the entry titled “Contacts Storage”, open it, and then click”Clear Data” ” Clear data” option. Click OK to erase all contacts, call log, and favorite contacts.
And voila! You will notice that your entire phonebook is now completely erased.
2. Read in step 2 to “Remove Duplicate Contacts on Android and Sync Contacts with your Gmail account [How To]” for more information.