LG G3 cracking

I bought the LG G3 phone in September 2014 as a replacement for my Samsung Galaxy and hoped that the build quality of the G3 would be on par with my previous Samsung.<br> <br> 8 months later and I discovered a hairline crack at the bottom of the phone right by the microphone opening. After I contacted LG SA they say it's not a known issue. <br> <br> I went onto the internet and found out that this is a known issue and the following is an official response by LG electronics global: <br> <br> \It has come to our attention that a number of the LG G3 smartphones have developed cracks near the microphone openings at the bottom of the devices