Hi, 28th November, 2017 i buy a phone from sp4mm3r.com of $227 and they shipped out it on 15th December declare it as git of $20 with commercial invoice. Then i start to track my registered parcel RF508794804SG regularly, it is stuck on 6th January, 2018 at costumes CED Kolkata. They retained my parcel causing unspecified reason, please help me what should i do to get it soon. Here are my tracking details...please help me out