I found out the only models the Lumina Windows phone has which support dual band 2.4Ghz/5 GHz are all models ABOVE the 830. Those do the 5 GHz dual band. But I hope they understand this is important on all major models such as this 640XL also.
As music was such an important part of his life, Fonsi attended Florida State University School of Music on a full scholarship, majoring in Vocal Performance. He also joined the university's choir, which let him travel and perform throughout the world, and recorded demo tapes in Miami.
He graduated as sub-lieutenant in 1935, and returned to the academy in 1937 as teacher of science and history. By the time Arbenz was working in the Military Academy, Guatemala was under the dictatorship of Jorge Ubico, one of the most ruthless, dictators of Central America. Ubico was an admirer of Napoleon and he considered himself as some kind of re-creation of the Emperor in Central America.