Blackphone secure Android smartphone to pack Nvidia Tegra 4i chipset Blackphone, a smartphone focused on users’ privacy, will pack Nvidia’s mobile processor. SGP Technologies SA, the Switzerland-based joint venture of Silent Circle and Geeksphone behind Blackphone, announced the chipset for its smartphone April 29, 2014 Channel/Game Online/industrial Power/IT Magazine/LCD TV/LED TV/Magazine Advertisement india/Mobile Launch/Motherboard/Networking/News/Security/Social Media/Tablet/Technology News/Telecom News/TV