Sony XPERIA ST27i Working Instructions page 8

Disassembly
Turn over the phone.
Clamp the phone tightly with both hands when turning it
over!
Turn over the phone to a horizontal position as shown in the
picture.
Open the Cover Front Housing Display Assy as shown to
release the adhesive foil inside.
Do not touch the Main O Ring during operation!
Make sure the Main O Ring is not damaged, broken,
twisted or dusty before reassembly!
Turn over the Cover Front Housing Display Assy to a 90
degree angle and lift it up gently.
Do not touch the Main O Ring during operation!
Make sure there is some space to protect the Main O
Ring.
Make sure the Main O Ring is not damaged, broken,
twisted or dusty before reassembly!
1265-6286 Rev 3
© Sony Mobile Communications AB – Company Internal
Working Instructions (mech)
8(57)