![AMGOO AM520 Manual Download Page 10](http://html1.mh-extra.com/html/amgoo/am520/am520_manual_2932123010.webp)
10
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 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
provider to obtain the PUK.
I cannot make calls
Make sure that the number you dialed is correct and the dial
key has been pressed.
Use the full national area code when dialing out of your area or
when abroad, use country-specific international access