This website (www.circuitcastle.com) is built by Circuitcastle Technologies with lot of thought to provide you with a one-stop shop for pre-owned and new premium GSM Unlocked Smartphones and cellphone accessories. Say goodbye, to the hassle of surfing the internet endlessly to find the right phone for you! Circuitcastle.com is the perfect solution where you can find good quality, high-end unlocked and new smartphones at a great price for yourself or your loved one!

  •  All Smartphones sold on this website either pre-owned or new come with the advantage of being Circuitcastle Certified. A pre-owned smartphone is listed on this website only if it passes a complete exhaustive checklist of more than 65 different tests for all the Hardware as well as Voice and Data functionalities. Carrier Service/data plan needed for voice call and/or mobile data are not included with the product. The buyer has to purchase them at his/her own risk/responsibility.
  • Each and every phone is inspected for IMEI/ESN and listed only when the IMEI/ESN is found clean. This website do not sell any smartphones with bad or blacklisted IMEI/ESN.
  • All pre-owned smartphones are inspected and graded according to their cosmetic condition. Check out the Item Condition page to find out details about the cosmetic condition of the phones. There are no hidden labels or comments for any functional defects. So you can shop worry free from our store!
  • The Phones sold on this website as GSM Unlocked are guaranteed to be unlocked for all GSM carriers, not under any contract and works with majority of the GSM carriers worldwide.
  • Your satisfaction is our priority. We provide hassle-free returns. Buyer can return the product within 30 days of receiving it, if he/she is dissatisfied for any reason with the product. In addition to this, we also pay for the return shipping cost. Please see our Terms and Conditions or Return Policy section at the bottom of this page to check our Return policies.
  • All smartphones come with Free Shipping and Free Returns within United States unless otherwise specified. We do not sell or ship internationally.