hola, chicos
here is the firmware for Ulefone U9592:
http://www.mediafire.com/download/702zmgnz15nb77m/U9592-20140123_e2706_v92_gq3009f.zip
here is the steps and flash tool:
here is the flash tool:
https://docs.google.com/a/geekbuying.com/file/d/0B2J_Nqv8IludbVBPcEhHMkR6OUk/edit
The Flash method should be the same like this:
http://www.armtvtech.com/armtvtechforum/viewtopic.php?t=1887&p=11517
Saludos
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