


In 2012 the Ninja phone, an HTC One V phone running Android 4.0.3, was developed to demonstrate using an independent GSM phone network at DefCon. In 2014 a mobile version of TAILS operating system was announced. In 2014 the Boeing Black phone was advertised as a more secure Android-based phone, with dual-Sim for using public and government networks. In 2014 Blackphone from Silent Circle was sold as an Android-based phone with applications and services to provide more secure messaging, VPN and cloud storage. In January 2015 David Briggs and Nick Spriggs began an unsuccessful Indiegogo campaign to make the BOSS phone, an Android-based phone with "rooted Tor encryption" to anonymize and privatize internet browsing. Using Tor with Orbot and Tor Browser are supported by custom Android operating systems CalyxOS and DivestOS. John Corpuz of Toms Guide listed Tor Browser (Desktop and Android), and Onion Browser (iOS) as two of 16 "best ad blockers in 2021". In 2018 Louis Adam of ZDNet France discussed new official support of Tor Project for Tor services on Android phones, including Tor Browser and Orbot. As of 2016 there were about 2 million daily Tor users, total, including all devices and methods. The number of Tor users on phones is unknown. As of February 2022 or earlier, Orbot is also available for iOS phones. Follow-on project, GrapheneOS supports using Orbot (Tor) VPN, but not Tor browser, on Android-based phones. Another option is to use Torbrowser on smartphones. The prototype Tor Phone was based on CopperheadOS, which added additional security features. Tor Phone refers to a smartphone set to route internet connections through Tor network, for example using the Orbot application and Android VPN settings, although according to developer Mike Perry in 2016, Android's VPN APIs were not secure and could leak data at boot, which affects Orbot too. The project was led by Mike Perry, Tor Browser lead developer. Work on Tor Phone was launched in 2014, and a "Tor-enabled Android phone prototype" was announced in 2016. The first Tor Phone was a prototype smartphone released in 2016 by The Tor Project, which gave users the ability to route internet connections through Tor for anonymity. Smartphone that routes internet connections through the Tor networkĪ Tor Phone refers to the concept of a smartphone that routes internet connections through the Tor network.
