Huawei E5 User Manual page 19

If you forget the changes of some parameters, you can choose to restore
factory defaults and reconfigure the E5.
Press and hold and
CONNECT
off, you restore the factory defaults successfully.
Note: After this operation, all personal configuration settings are deleted
and all web-based management settings and parameters will be restored
to their default values.
Friendly Tips
If you cannot use the E5 normally, you can try these following ways to
solve:
See Help on the web management page.
Restart the E5.
Restore the factory defaults.
Contact your service provider.
at the same time until the screen is
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