2x justin bieber tickets (swap for a blackberry bold 9900) ?

i have 2 x justin bieber tickets at liverpool echo arena 24/02/2013 for swaps, looking for a new or immaculate almost new blackberry 9900 pref on 02 or unlocked with no faults,scratches or marks. tickets will be available when dispatched from promoter 2 weeks before, ticket confirmation will be given as a reciept and to show the purchase and that tickets are genuine, no time wasters/offers of other phones please