|Scenario Task Type=Profiling your identity and actions, Surveillance|Scenario Tools and Services=Orbot, Orweb, Onion Browser|Scenario Task Description=The short answer is you can't, and there are [several reasons why https://ssd.eff.org/en/module/problem-mobile-phonesseveral reasons why]. Your [https://en.wikipedia.org/wiki/Subscriber_identity_module SIM card] can be directly linked to your identity, account or point of purchase. The [https://en.wikipedia.org/wiki/International_Mobile_Station_Equipment_Identity IMEI] and the [https://en.wikipedia.org/wiki/International_mobile_subscriber_identity IMSI] numbers in your phone are unique and can also be linked directly to your phone, location and sometimes /or identity too. In general, [https://en.wikipedia.org/wiki/Mobile_phone_tracking Mobile phone tracking] is a well established technologyand the only way to prevent this type of location tracking is to remove the battery, carry a [https://en. wikipedia.org/wiki/Faraday_cage Faraday cage-like] accessory or not bring your phone at all. If you want, however, you can browse the Internet anonymously from your phone:* Android users can install [https://securityinabox.org/en/guide/orbot/android Orbot] and the [https://securityinabox.org/en/guide/orweb/android Orweb browser]* iPhone users can install the [https://itunes.apple.com/us/app/onion-browser/id519296448?mt=8 Onion Browser]<br />