Specifications

iPhone 4S Take Apart — Volume Button Shim 158
2012-02-21
3 Grasp shim (923-0072)
with tweezers.
4 Angle shim towards
battery slightly and
lower into place.
Press shim down as
far as possible.
5 Verify shim is properly
installed between
Flex and Spring.
6 Reinstall back cover
following reassembly
instructions in that
chapter.
7 Verify that volume
button issue is
resolved.
8 Important: Check
main camera
operation and LED
ash alignment with
the Main Camera
Test procedure. If test
fails, replace camera.