I want my money back from Hisense

I will have to go an extra mile to sue Hisense we bought 3 Hisense Mobile phone including a T5 and infinity F24 my husband and I wasted so much money.. Al 3 phones freeze.. Oveheats... Automatically reset.. Battery poor.. Nothing is as they claim hate the phone hate the company will never ever buy any Hisense Brand again.. I want my money BACK