Sent a Sony Xperia 5 to muzuma offer of £140, they received it today. Offer went down to £25 due to screen burn. This is totally false, there is no screen burn on the device. I am a telecoms technician for the NHS, dealing with approx 5000 mobile phone users. I rejected the £25 offer and its not saying 'retention' which should mean I will receive my device back. I will give muzuma the 7 working days (as quoted by one of their staff on a phone call today)., if the device does not arrive by then I will be taking this to trading standards. I will never use muzuma again and advise other people what has happened to me.