Troubleshooting - Hisense U3 User Manual

Troubleshooting

This part lists some problems you might encounter when
using your phone. Some problems require you to call your
service provider, but most of them are easy to be fixed by
yourself.
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.
au-thorized.
• If new SIM card is inserted, check for new restrictions.
• If pre-paid charge reached its limit, contact service provider.
Phone cannot be switched on
39
New network is not