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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).
BUSH Spira C2 5 Smartphone book (A50HeliumPlus).indd 20
26/11/2015 12:37:03