Verykool i650 - Manual (Page 8)

are unable to enter into the GSM network.
TF (T--Flash) Card is the portable memory card with large capacity for storing
music and video files, which considerably expands the storage space of the
phone.
*Note: The phone must be turned off before you remove the SIM/ TF card. It’s
prohibited to insert or remove the SIM/ TF card when the phone is in
connection with an external power supply; otherwise the SIM/ TF card may be
damaged.
u Before installing the SIM card, turn the phone off and remove the battery as
well as other external power.
u Insert the SIM card into the SIM slot and slide the SIM slot strip back.
u When the SIM card needs to be taken out, turn the phone off, open the
back cover, remove the battery; then open the SIM slot strip and take
the SIM card out of the slot.
u Before installing the TF card, turn the phone off and remove the battery as
well as other external power.
u Insert the TF card into the TF slot.
u When the TF card needs to be taken out, turn the phone off and take the TF
card out of the slot.
8