SAMSUNG Proprietary-Contents may change without noticeThis Document can not be used without Samsung's authorizationFlow Chart of Troubleshooting9-79-4. Sim PartSIM200 pin 1, 6or R208 = "H" ?Phone can't access SIM CardResolder R208, C227Check the SIM CardENDNoYesYesYesNoResolder or Replace SIM200After Power ON,Check SIMCLK Signal onpin3 of SIM200 in a few secondYesNoReplace PBAAfter SIM card insert,SIM200 pin 2(SIM_RST)= "H"?Yes