Use the Campaign Carrier Settings to set the carriers on/off status at the campaign level for your Mobile Sponsored Search account. All carriers are Online by default.

Note: For ads to be served to users of a specific carrier, the carrier must be selected (Online) at all levels. If you unselect (Offline) a carrier at the campaign level, then by default, that carrier will also be Offline for all new ad groups you create in that campaign.

1. Click the Campaigns tab. The Campaigns page opens.
2. Click a campaign to open the Campaign Details page.
3. On the Campaign Details page, click the Edit button in the Campaign Carrier Settings area.
4. The Campaign Carrier Settings page opens. This displays a list of all of the mobile network operators - carriers - that are available in your market.
5. To enable or disable all carriers for this campaign, click the Online or Offline radio button adjacent to All Carriers.
6. To enable or disable a particular carrier for this campaign, click the Online or Offline radio button adjacent to the particular carrier.
7. When you are finished, click Save Changes.