Asus India — Post software updates, Asus zenfone is malfunctioning,

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411015

I have this phone since last 5 months,
as they provide software updates i have done software updates after that phone started giving problem, inintialy phone lost its sound, then vibration, after that phone not showing memory card on phone.
now today its giving problem by droping the calls in between.
suggest me the solution for it.
wht i should do it.
i am getting really frustrated with same.
i wont suggest people for this phone.