updating firmware os

dictap

Junior Member
Feb 13, 2015
3
0
Hello to all, i have bought an android tablet from someone. It's on 4.0.4 and i am looking at updating. When i go to updates and check now, i get the message not found, please make sure you have update.zip in nand or on sd card, so i'm guessing it has to be a manual update.
So i am looking for help and advice on how to do this please, i think the tablet is rooted, please see attached screenshot of system, thankyou for reading
 

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