Oneplus — Not repairing given damage product

Hello there ..🙋‍♂

I've order 2oneplus bass edition Bluetooth from my brother account number [protected]... My 1 Bluetooth were not working I complain oneplus company received my product but not resolved my problem and sended me damage problem ..second time I've complained but they are saying this is damaged we unable to touch unable to repair ur product cuz it's damage.. Although they sended me damage and not repairing my product... And my product is in under warranty... They are not helping they're wasted my time my money they are not solving my problem regarding Bluetooth not charging and sound stuck battery draining problem..

First date which I complained they picked my product date is... 28/6/22

Again not solved Second date is.. 6/7/22...