User's Manual

12
Solution: Reboot device.
 Unable to dial.
a) Possible Reason: 4G microSIM card is not installed
well.
Solution: Reinstall 4G microSIM card.
b) Possible Reason: 4G microSIM card is fees owed.
Solution: Renew the card.
c) Possible Reason: Device is abnormal.
Solution: Reboot device.
 Unable to log in.
a) Possible Reason: Password error.
Solution: Reset your password.
b) Possible Reason: Device is abnormal.
Solution: Reboot device.