Detailed Samsung Galaxy S21 and S21 Plus specs leaked - The Verge

Another leak prior to the expected January 14th announcement provides even more details about the upcoming devices: flat displays, 8K/30p video, and of course 5G.

Samsung Galaxy S24 Ultra review: taken to the extreme

Petition: Dear Samsung, make some needed improvements to Galaxy S21 Ultra camera : r/S21Ultra

Samsung Galaxy S21 Plus appears in 'unofficial review' video

Dual-frequency GNSS on Android devices, by Sean Barbeau

Dual-frequency GNSS on Android devices, by Sean Barbeau

Samsung Galaxy S III - Wikipedia

Samsung Galaxy S21+ review: a stylish, powerful contender

Pixel 6: Everything to know about Google's newest phone - CNET

Samsung Galaxy S24 Ultra Specifications Tipped Online - Smartprix

Samsung Galaxy S21 review: good camera, fast processor, great price - The Verge