Instructions on inserting/removing your SIM can help with activation issues/errors, browser connection problems and a blank/frozen screen.
Don't attempt to remove the SIM card while the device is powered on. Doing so may harm the SIM card and/or the device.
Ensure that the device is powered off.
From the left edge of the device (display facing down), remove the card tray.
Utilize the insertion/removal tool - or a small bent paperclip - to unlock the tray by inserting it into the provided slot then remove the tray .
Remove the SIM card from the tray.
From the bottom of the card, carefully lift to remove.
If applicable, refer to Insert the SIM Card.
Insert the card tray.
Press in on the tray to lock it into place.