Troubleshooting
My phone is frozen or cannot switch on
1. Remove and replace the battery.
2. Charge your device.
My phone cannot connect to a network
or "No service" is displayed
Try connecting in another location. Verify
the network coverage with your operator.
Unable to make outgoing calls
Make sure your phone is connected
to a network, and the network is not
overloaded or unavailable.
Unable to receive incoming calls
Make sure your phone is switched on
and connected to a network (check for
overloaded or unavailable network).
SIM card PIN locked
Contact your network operator to obtain
the PUK code (Personal Unblocking Key).
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To configure a new 4G network:
On your device, tap Settings.
1. Select Wireless & networks > More... >
Mobile networks.
2. In Mobile network settings, select your
operator in Network operators.
3. In Mobile network settings, select
Access point names, then select
add new parameters and enter the exact
connection parameters provided by your
4G provider.
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