Telefónica del Sur
This logo was designed by Larrea Diseñadores.
In 2007 the company changed the typography of its logo (from Helvetica to Myriad).
In 2014 the company adopted the swoosh of Grupo GTD.
In 2017 the iconic keypad logo was replaced by the circle present in the logo of Grupo GTD.
On 4 October 2019, Gtd unveiled a new logo (designed by Almabrands and Doble Giro), and also shortened the name, from Telefónica del Sur to Telsur.
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