O2

Hi there, can anyone explain my bill to me? My bill is saying -£93.74 Does that mean I owe £93.74 or does it mean I am £93.74 in credit? Thank you

Hello,I am currently on SIM only monthly contract, which is about £20+ per month. Now looking to purchase a new handset (pay monthly which is £36 per month). The website says 'Good news. You can upgrade today'. My question is: If I upgrade to a new h...