Sony Xpreia acro S Working Instructions page 32

Replacement: Ear Speaker and Foil Adhesive WP Receiver
Press along to secure its attachment.
Gently peel off the protective film.
Place a new Ear Speaker in the cavity.
Note the orientation of the Ear Speaker to be installed!
Prepare the Press Tool Earspeaker.
1267-1071 Rev 2
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Sony Mobile Communications AB – Company Internal
Working Instructions (mech)
32(76)