refuse to return my phone ( keeping/*****ing it without my consent )

im really a unhappy client i have requested money back as i am with there insurance i have been struggeling without a phone for much longer then the required time , i have been at loss in my business as there network is not well at all and i dont have a phone where i got insurance for but they are taking longer then contract and not caring if its legal or what the client paid for and i must still pay . i demand my phone now, I DEMAND A PHONE MY PHONE I REQUEST THE SERVICE I PAID FOR YOU CAN NOT KEEP MY PHONE THIS LONG KINDLY REPLACE IT < YOUR TAKING TOO LONG!!!!!!!!!!