January 3rd, 2013, 04:33 AM
Join Date: Jul 2012
Device(s): Samsung Galaxy Y Duos S6102/
Samsung Galaxy Note 8.0 GT-N5100
Carrier: Not Provided
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I doubt the possibility of recovering your deleted contacts.
However, the above procedure will initiate a factory reset, there by effectively bring back the phone to it's original status as when you bought it. It also will delete all data including contacts, SMS, Music, Photos etc. A backup should be done before doing this.
Factory data reset: Reset your settings to the factory
default values and delete all your data.
Press and hold the Power key for 8-10 seconds and release. The device will
If this does not solve the problem, perform a factory data reset. In Idle mode, open the application list and select
Settings → Privacy → Factory data reset → Reset phone
→ Erase everything.
(User Guide page 115 & 121)