You can recycle your old mobile phone or other gadgets online with O2 and make some money. They'll send a cheque or pay the cash into your bank account. They can recycle phones from any network so you don't have to be on O2.
O2 Recycle Donation Rates
Terms and Conditions
Donations may only apply to the sale price and not include VAT, delivery and other such costs. Please do not use voucher codes from other websites as this may affect your donation.