Samsung SM-S918B Repair Manual page 114

3
Press down the Volume button softly and evenly so that the button can be completely
assembled.
Press the button to make sure it clicks. It should have the same sound and feel as
before disassembly.
4
Remove the release film of new Side button.
5
Using your fingers, grab the Side button and insert it on the slot carefully.
Be careful not to damage the buttons and device.
Disassembly and Assembly
114