Definitely bring it back to where you got it from or find a technical expert company such as Geek Squad. They can assist you in this area.
The best thing to do is contact the tech support for you phone it may be something they can talk you through or re-order.
The best method to fix it you should go the product franchise from where you got the required information of your product disabbality and the actual reason of its disability such as improper functioning and some technical hazards may leads to its disability so it is know to be the best method of treating this problem in a very sufficient way it may can not solve practically but it may technically.
My phone sim is disabled it stays on the front screen and wont let me do anything what can fix this problem
I can't get my card to play
Get current with the charges...abandon the useless non-working bit of technology and 'spring' for new one