To use device targeting to show ads only on certain devices, you can follow these general steps:
Keep in mind that device targeting may not be available on all ad platforms, and some platforms may have different terminology or options for targeting devices. Additionally, some types of ads or ad formats may not be compatible with certain devices, so you may need to adjust your ad creative accordingly.
Please note that the specific steps may vary depending on the ad platform you are using. Additionally, you may need to consider the compatibility of your ad formats and creative with the targeted devices.