Huawei B686 manual FAQs, Device does not work properly. What can I do?

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11 FAQs

If problems occur during the use of the device, refer to the following sections for suggested solutions. If the problems persist, contact your device vendor.

The device does not work properly. What can I do?

Restart the router or handset.

Restore the router or handset to its factory settings.

Log in to the web management page to see the help information.

Contact your service provider.

The handset will not power on. What can I do?

1.Remove the battery cover and check that the battery is installed correctly.

2.If the battery is correctly installed, a possible cause for the problem is that the battery is low. Charge the battery, and then try to power on the handset.

No information is displayed on the handset screen. Why?

If the handset has not been used for a long time or the battery runs out of power, the handset may not display any information when it is being charged. This is normal. The handset can be powered on after the battery has been charged for a while.

The battery cannot be charged. What can I do?

1.Check that the handset is correctly mated with the handset base.

2.Check that the handset base and the power adapter are connected correctly.

3.Check that the power adapter and the power socket are connected correctly.

4.Replace the power adapter or the battery with a new one of the same model.

The handset continuously searches for the router. What can I do?

1.Check that the router is functioned on.

2.Re-register the handset with the router. You do not need to deregister the handset first.

The signal strength is weak. What can I do?

1.Check that the SIM card is installed correctly.

2.Place the router at a location where signal reception is good.

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Contents User Guide Page Trademarks and Permissions Import and Export RegulationsPage Table of Contents Restoring Factory Defaults FAQs Safety Information Message FunctionsGetting to Know Your Device Application ScenarioAppearance Router HandsetWi-Fi/WPS indicator LAN indicatorsPower port Network statusScreen Icons Installation Installing a SIM CardComputer Requirements Optional Installing the Table Stand Optional Installing an External AntennaInstalling the Handset Battery Connecting to a ComputerConnecting to a USB Device Connecting the Router to a Power OutletPowering the Device On or Off Powering the Router On or OffUse a compatible power adapter to charge your handset Charging the HandsetPowering the Handset On or Off To power the handset on, press and holdTo power the handset off, press and hold On the handset, select Settings Handset Register handsetSetting Up a Wireless Connection Turning the Routers Wi-Fi On or OffSetting Up a Wi-Fi Connection Manually Accessing the Internet Setting Up a Wi-Fi Connection through the WPSMode Description Using the Handset Logging In to the Web ManagementCall Functions Message Functions Switching Between Input Methods Text Input MethodsInputting English with Traditional English Input Inputting English with Predictive English Input T9Settings Configuration Configuring Date and TimeConfiguring the Handset Lock Locking or Unlocking the KeypadRestoring Factory Defaults Restoring the RouterRestoring the Handset FAQs Device does not work properly. What can I do?Safety Information Electronic DeviceMedical Device Potentially Explosive AtmosphereSafety of Children AccessoriesOperating Environment Prevention of Hearing DamageBattery and Charger Cleaning and MaintenanceEmergency Call Disposal and Recycling InformationReduction of Hazardous Substances EU regulatory conformance Page Page Issue Part Number