It is not possible to delete all contacts at once!
Hi,
You can easily imported or synchronize hundreds or thousands of the user contacts, but did not allow all contacts to be deleted at once!
On the other hand, you kept all contacts of the user from the several years ago in Yahoo Mail contact list.
Unfortunately, your synchronization is not working properly. For example, after spending a few days effort, I updated all my contacts on my cell phone and when I synchronized them with the Yahoo Mail, I expect the old contacts to be deleted and replaced with the new list which unfortunately is not the case. You keep all the calls and even ruin my phone calls again!
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Mohammad Delirrad
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