Warranty claim with 14days policy in Malaysia

Apple stores in Malaysia have their own policies and other countries Policies do not necessarily apply. See the “policies” section at the Apple Malaysia web site - Help - Apple (MY)

3. Standard Exchange Policy

All products purchased at Apple Store in Malaysia cannot be returned or exchanged under these Terms. Exceptions for exchange will be allowed for defective products only. If you believe that your product is defective, please call Apple Store Customer Service at 1800-80-6419. If Apple determines, in its sole discretion, that the product is defective, you will be eligible to exchange your product. Apple reserves the right to test your defective products.

The 14 day return policy only applies if you purchased the device directly from Apple. If you purchased it from another retailer, Apple's return policy does not apply. The return policy of the retailer you purchased it from applies.

Are you already contact apple support?

I think you should voice up your complaints and suggestions to https://getsupport.apple.com/ because they will hear our problem immediately. 😊

Authorized or not, 3rd party retailers are NOT bound by Apple's retail return policy.