Mazuma Mobile
Questions & Answers

Local resellers, chain-stores such as CeX, or private sales through Gumtree or eBay carry equal or less risk and potentially better odds of getting a fair price for your item.

While some customers do seem to get a fair price for their devices, I believe this to be a small percentage or possibly flagship or desirable phones. Anything else is subjected to the merry dance of "problem with your order" lowballing.