How I can synchronize my LG-P503 and my PC?
Download the "LG Mobile Support Tool", execute "LG Mobile Support Tool" -> "Customer Support -> "Application, Manual & USB Driver Download" -> Input IMEI & Model & Serial No -> Download PC Sync program. Additional info here: http://www.lg.com/ae/support/product/support-product-profile-mobile-redux.jsp?customerModelCode=LGP503&matchedModelCode=1700003424&searchEngineModelCode=P503&initialTab=warranty&targetPage=support-product-profile