Hisense E20 User Manual page 34

SIM card has error
Ensure that the SIM card is correctly inserted.
No network connection / Dropped network
• Move toward a window or into an open area. Check
network provider coverage map.
• Check whether the SIM card is too old. If so, change
your SIM card at your network provider's nearest
branch. Contact your service provider.
Codes do not match
If you forget the code, contact your service provider.
Calls are not available
• Ensure that there is no dialing error. New network is
not authorized.
• If new SIM card is inserted, check for new restrictions.
• If prepaid charge reached its limit, contact service
provider.
Phone cannot be switched on
• Ensure to press the Power button for at least two
seconds.
• Charge battery. Check the charging
screen.
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prompt on the