Sony XPeria ST25i Working Instructions page 33

Replacement: Loudspeaker & Speaker adhesive
INSTALLATION
Place a new Speaker adhesive in proper position of the
back side of Loudspeaker.
Align the Speaker adhesive with the inner metal edge by all
four sides as shown and press to secure its attachment.
Place the new Loudspeaker with Speaker adhesive in
correct position.
The pin direction should be as shown in the picture!
Make sure there is no adhesive on Carrier Frame Assy.
Press to secure its attachment.
Do not touch the pins of the Loudspeaker!
1263-4086 Rev 6
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Working Instruction Repair Instruction Mechanical
33(53)