|Scenario Task Description=* The short answer is you can't, and there are [several reasons why https://ssd.eff.org/en/module/problem-mobile-phones]. Your [https://en.wikipedia.org/wiki/Subscriber_identity_module SIM card] can be directly linked to your 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] are also linked directly to your phone, and sometimes identity too. In general, [https://en.wikipedia.org/wiki/Mobile_phone_tracking Mobile phone tracking] is a well established technology.