Actaually i have my sendo X
firmware version x1.109.5.2
Release IG
26-nov-2004
ig: telcel mexico 1.11
version SWGSM:4.36_e5_
id producto: SNDX00.
the quiestion is can i upgrade it with the new firmware version?
Does anyone in Mexico with the same company had made the upgrade?
What are the difference? thanks. in advance.