Flipkart — Return request and refund money

Address:	flipkart
Website:	flipkart.com

I have order redmi note 9pro max mobile phone(order id OD[protected] at price 16999 from flipkart and i received on wed 12th may 2021but product is not well performing as i aspected later on claim return request to flipkart .company send technical member for software update on my house, he came and he checked the mobile he notice that software is not updated than i request him claim return request because i am not satisfied from the product .he said well i put return request but later on i receiived update on flipkart site that your return request is rejected.
i am mentally disturb kindly help me.
applicant
vinay brahmachari
17th may 2021