Help with Tracking package? Origin post is preparing shipment RB002196565SG

Hello I ordered a phone from aliexpress on Jan 29, 2015 and it was shipped on the 31st and I was given the tracking number RB002196565SG and ever since Feb 5,2015 it's says "Despatched to overseas (country code :us)" and it been like that for 2 weeks and when I track on USPS its stuck at "Origin post is preparing shipment" for two weeks also it's Registered Mail from Singapore post can you help me locate my package to see if it has reached US yet and let me know what's going on with my package please?

Thank you