Sony Xpreia acro S Working Instructions page 63

Reassembly
Do the same to snap the other BtB connector.
Securely place the Touch/Display Front Cover Assy on its
proper position as shown in picture.
Press to snap the hooks.
Turn the phone over and press to snap the hooks on this
side.
1267-1071 Rev 2
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Sony Mobile Communications AB – Company Internal
Working Instructions (mech)
63(76)