So about 6 months ago i got my brand new lumia 920 with a contract. Just recently i dropped my phone from 20 cm from the ground and when i was putting my phone back in my pocket, i noticed that the top corner of the screen started making a cracking noise. It goes from the sim card slot to the end of the top corner of the phone. How do I fix this? Is this harmful to the phone ?:unhappysweat: Thanks in advance