Sony Xpreia acro S Working Instructions page 29

Replacement: Battery & Foil Adhesive Battery
Turn it over.
Prepare a new Battery and insert it into the cavity as shown.
Securely place the Battery in the cavity in alignment with the
tool as shown.
Close it.
1267-1071 Rev 2
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Sony Mobile Communications AB – Company Internal
Working Instructions (mech)
29(76)