Battery is draining fast and what is the latest version for ZenFone 2

[kolluruanandkum]

Model:
RAM:
Firmware/APP Version:
Frequency of Occurrence:
Rooted:
APP Name:
Screenshot:

[kishore_ghubade]

In ZC 550kl,max model,3gb,32gb,...........

[mqmrkhanmqmrkha]

I am trying to manually update 88 to 36 it shows updation fail plz help me

[brightumorren]

My phone now switch it self on and of now please help me

[abhibobi2010]

Battery drain issue for 5z . 100 to 90 only five minutes...

[ibromustefa93]

My phone battery draining rely fast please helps