Sony Ericsson Z520i User Manual page 8

Getting started
To replace the back cover
1
Apply pressure with the heel of one hand while
pushing away with the thumb of your other hand.
You may need to apply significant pressure
the first time you remove the back cover.
2
Slide the back cover away from the hinge.
3
Remove the back cover.
4
Locate the notches along each side of the phone.
Using the notches as a guide, slide the back
cover upward applying pressure with the heel
of your hand until it clicks in place.
8
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