Specifications

iPhone 4S Take Apart — Volume Button Shim 157
2012-02-21
Procedure
1
There are 3 screw
pins that hold Flex to
band around volume
buttons.
A Spring provides
tension between Flex
and volume buttons.
The shim needs to
be installed between
Flex and Spring.
2 Locate middle screw
pin inside band
between two volume
buttons.