8 To replace the cover, direct the top locking catches toward their slots, and pressdown until the cover locks into place.If the SIM card is not properly in place, the device can only be used in the offline profile.Insert the memory cardUse only compatible memory cards approved by Nokia for use with this device.Incompatible cards may damage the card and the device and corrupt data stored on thecard.1 Remove the back cover.12 Get started