Troubleshooting
My phone is frozen or cannot switch on
1. Charge your device.
2. Press the ON/OFF button for 10 seconds or use the Hardware reset.
To use the Hardware reset, press the "pinhole reset" button by using a
sharp object such as a toothpick.
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).
To configure a new 4G network:
On your device, tap Settings.
Select Wireless & networks > More... > Mobile networks.
Select Network settings. In Network operators, select your operator. In
Access Point Names, select the correct access point name and enter the
exact connection parameters provided by your 4G provider.
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