Samsung / Wifi — Handset Camera Problem

Dear Sir/Madam,
When i approached to dealer to sort out the problem as per above mentioned subject, he asked my mobile phone to handover to him for repairing and that will take 15 days to do so as per information given by dealer.
But the thing is if i will handover the set to him then what i will do without handset for 15 days.
I asked him for any stand by set for those 15 days but he refused.
Please advise me in this matter because i can not stay without handset even a single day as per nature of my job.
I have purchased a new set so that i will not have any problem but i am facing it.

Thanks,
Alkesh Bajpai.