Sony XPERIA XZ User Manual page 11

Insert Tray with handset held level, and then press in straight
・Check Tray orientation.
Push Tray all the way and press it down where indicated ○,
and make sure there are no gaps
Removing SD Card
Always unmount SD Card beforehand.
Draw SIM Card/SD Card Slot Cover out using groove
Draw Tray out straight from handset
Remove SD Card from Tray
Insert Tray with handset held level, and then press in straight
・Check Tray orientation.
Push Tray all the way and press it down where indicated ○,
and make sure there are no gaps
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