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In xperiablog there is a massage as "New firmware (9.1.A.1.145) certified for Xperia T/V; Xperia TX gets 9.1.G.0.3"
Bt I have no option to upgrade my phone 9.1.A.1.140 to 9.1.A.1.145
Each carrier has it's own roll-out plans.
Your carrier may be on 140 and still testing 145.
Actually my update came to Portugal, not Russia :smileysmileywink:
My wife also has a V, although still with .140 (she has a different carrier than me).
Both phones are unlocked.
FYI, there are some differences between the two firmware releases, but nothing radical.