Sell AT&T Sonim Smartphone

Selling your AT&T Sonim Cell Phone with Swopsmart's buyback program is fast and easy.

1. Get a FREE instant valuation. No auctions or fees.
2. Pack your phone into a box and ship it for FREE.
3. Get paid the same day the phone is received at our warehouse.

We are the fastest growing AT&T Sonim Cell Phone buyback company in the US with an A+ accreditation rating by the Better Business Bureau. Here are a few reasons why our customer's love us:

• We pay up to 33% more than carrier buyback programs for any used AT&T Sonim Cell Phone.
• It’s completely FREE! No auctions, no fees, no hassle!
• We’ll pay the same day your item arrives at our warehouse.
• We remove all personal data from your device to Department of Defense standards so your security is never compromised.

Shipping is 100% FREE. Our platform will automatically provide you a USPS pre-paid shipping label upon completion of your order.

We currently offer two methods of payment - Check or PayPal™. You'll be asked to indicate your preference during check out.

Your payment will be sent the same day we receive and inspect your item(s).