This machine is only inserted the SIM can be boot.
when charge please insure the product is turn on.
please put the product in network signal better position when use.
The new machines need to be recharged for 3-4 hours before use in order to achieve the best results, please use our distribute charger avoid damage to the host.
Standby time: 300-400 hours. Working time:7-10 hours.(depending on the local network signal )
Network type:(4 Frequency band)
USB Charging Cable 1
User manual 1