Sprint MF975s, Руководство пользователя

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Appendix 54
Question : Driver is not automatically installed when the mobile broadband device is connected to the PC
(Windows PC only).
Answer 1 : Wait several seconds for installation to begin after the system recognizes any new
hardware. If the installer does not automatically activate even after a period of time, remove the
mobile broadband device from the PC and reconnect it.
Answer 2 : Install driver manually. See Software Installation
– Windows PC USB Connection
for how
to install.
Question : Internet connection fails.
Answer 1 : Make sure that you are within the service area.
Answer 2 : If signal reception is poor, move to where signal reception is good and then reconnect.
Answer 3 : The access point might be busy depending on the time of day. Wait a little and then
reconnect.
Answer 4 : Activate the Web UI and make sure that network settings are correct.
Question : Transmission fails quickly.
Answer 1 : Make sure that the mobile broadband device is properly connected to PC or other device
via Wi-Fi or micro USB cable. If connected via micro USB cable, disconnect from both the mobile
broadband device and the PC or other device and reconnect.
Answer 2 : Signal reception might be poor. Check transmission where signal reception is good.
Answer 3 : Restart the mobile broadband device.
Answer 4 : Check the mobile broadband device battery level. If battery level is low, charge with AC
charger or with PC via micro USB cable. See Charge the Battery for how to charge.
Question : Transmissions are slow.
Answer 1 : Signal reception might be poor. Check transmission where signal reception is good.
Answer 2 : Connection might be poor. Try again after a while.
Question : Forgot PIN / Unknown PIN Unblocking Key (PUK) / USIM card is locked.
Answer : Contact Customer Service.
Question : USIM card is not recognized.
Answer 1 : Check whether the USIM card is properly installed. For details, see "XXXXX."
Answer 2 : Check the USIM card for damage.
Answer 3 : Check the USIM card IC chip for scratches/corrosion.
Answer 4 : Dirty USIM card (particularly IC chip) may prevent recognition. Clean gently with a soft
cloth.