Vivo 5 - Manual (Page 23)

Troubleshooting
Below is a list of common problems that may occur when using your mobile phone. Try these easy troubleshooting steps
to resolve any type of issues you may encounter.
The phone does not power on
Press and hold the power key until the startup sequence appears on the display.
Check the battery level and ensure there is sufficient charge.
The phone does not respond after several minutes
Remove and insert the battery – If the phone has an internal battery, please press and hold the power button.
The phone powers off by itself
Check if the screen lock of the phone is enabled.
Check if the phone needs to be charged.
The battery won’t charge
Check if the battery is already fully charged.
Make sure that the battery is inserted correctly.
Ensure that the battery being used is a BLU approved battery.
Double check if the charger connector is properly connected to the phone.
Note: Connect charger only after the battery has been inserted.
The standby time is too short
Please keep in mind that standby time relates directly to phone usage (Internet, Text, Voice Calls, Maps, etc.).
Batteries typically have to be replaced after a year of use.
The phone cannot connect to the network (Voice or Data)
Verify if you have active service with your service provider.
Contact your local network service provider and verify if you are within its network coverage area.
The phone displays a SIM Error
Make sure the SIM is properly inserted and in its intended slot.
Make sure that the SIM card is not damaged or scratched.
The PIN code was entered incorrectly three times
The SIM card will lock and you will need to enter the PUK code (PIN Unlock Code). Please contact your local service