My phone is about 2 mnths old and is going from screento screen and can even turn itself off. I,ve tried a new battery and the problem persists. the phone is a V6 Telstra prepaid retailing for around $250.00

Can you please give the make and the model no. Can you please give the make and the model no.

If you want to repair your phone, check out Telstra's location Guide to
find the Telstra shop or dealer nearest to you. Repairs can also be
arranged by dropping into a Telstra Mobile Repair Centre in your
capital city (see locations below). If you need to replace your phone, check Mobiles and price options for information on our full range of phones, plans, services, and features. If you prefer, try Telstra's shop online for a selection of our most popular phone packages available now for purchase online.
If you want to repair your phone, check out Telstra's location Guide to find the Telstra shop or dealer nearest to you. Repairs can also be arranged by dropping into a Telstra Mobile Repair Centre in your capital city (see locations below). If you need to replace your phone, check Mobiles and price options for information on our full range of phones, plans, services, and features. If you prefer, try Telstra's shop online for a selection of our most popular phone packages available now for purchase online.