all my phone no lost jor

091111 night time i got work PT.then while no customers i take de phone and click it to do the setting for phone no list between phone & SIM card no.i oso dunno wat i click jor then all de no lost jor.i oso no delete BUT dunno y will b LOST.Haiz,sad nia:-(btw,all my dear frenz,pls sms or inbox u all de no to me asap.Thanks.