This article is in need of a technical review.

This feature is not on a current W3C standards track, but it is supported on the Firefox OS platform. Although implementations may change in the future and it is not supported widely across browsers, it is suitable for use in code dedicated to Firefox OS apps.

This API is available on Firefox OS for internal applications only.


The selectNetworkAutomatically method is used to tell the radio to automatically select a network.

Note: If the network is actually changed by this request, the voicechange and datachange events are fired.


var request = navigator.mozMobileConnection.selectNetworks();


A DOMRequest object to handle the success or failure of the method call.

If the request fails, the request's error is one of:

  • RadioNotAvailable
  • RequestNotSupported
  • IllegalSIMorME
  • GenericFailure


var switchNetwork = navigator.mozMobileConnection.selectNetworkAutomatically();

switchNetwork.onsuccess = function () {
  console.log('Successful switch');

switchNetwork.onerror = function () {
  console.log('Unable to switch: ' +;


Not part of any specification.

See also

Document Tags and Contributors

Contributors to this page: fscholz, kscarfone, Sheppy, jswisher, Jeremie
Last updated by: fscholz,
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