Not able to update andriod 6.0 security update on moto g2

[AC Question]

Andriod 6.0 security update was available on my phone moto g2 but i am not able to update it, the set up gets downloaded but not able to install it and unexpected error comes and the installation stops. Tried it many times but no use. Let know what can be done???

 

[belodion]

Try a Cache Partition wipe, then have another try, preferably using wifi.