Sony XPERIA tipo ST21i User Manual page 9

To insert the SIM card
Do not insert an incompatible SIM card in the SIM card slot. Doing so could permanently
damage your SIM card or your phone.
• Remove the battery cover, then insert the SIM card into its slot with the gold-
colored contacts facing down.
To remove the SIM card
1 Remove the battery cover and the battery.
Place the tip of your finger on the SIM card and slide it out of its slot.
2
To attach the battery cover
1 Place the cover over the back of the phone so that the camera lens hole in the
cover fits over the camera lens.
2 Press down firmly on all edges of the battery cover to make sure it gets attached
tightly.
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