Referral Links UK 
Xiaomi Mi Store UK offer a £15 off voucher as a new user sign up bonus when you use the promo code / referral link (below) as part of their refer a friend offer.
Xiaomi Mi Store UK Referral Link: https://mobile.mi.com/uk/invited?inviteKey=z8J2hKU2Tguq_DoXBhX98RWLYG2fWnaDIJAtHse_apejlB780RrhWhRdpW2cQhLOlVe0aPSE0walps0zLNBhoA==&from=mobile
