Iphone screen replacement trouble

[cotdamn]

I am trying to replace my Iphone 3Gs screen but the 2 screws at the base by the charger are turning but not coming out. Any suggestions? Thanks in advance

 

[awadeee]

I am trying to replace my Iphone 3Gs screen but the 2 screws at the base by the charger are turning but not coming out. Any suggestions? Thanks in advance

You might have to tap on the phone to get them to fall out. Happens to me all the time.