update

My brother has Lenovo tablet , and he don't know how update it ? anybody knows ?

I have a gen 2 nexus 7, couple years old. Decided to update OS yesterday, been bugging me to do it for a little while. Here are the results 75 sec boot time when plugging usb to PC I now have to pull down menu and tell it I want to transfer files. transfer rate is 1/2 what it was. 500mb...

My Tab 2 is the GT-P3113 and it has the cwm 6.0.1.1 and i want to update it to a newer version but i read in some places that not all versions of cwm are compatible with the tablet. so if i want to update what version of cwm do i need and do i just flash it. thank you in advaced

I was wondering if I could update my samsung galaxy tab 3 lite past 4.2.2? I wanted to sell it but the person I was selling it to said it was "outdated" and they could not help me update it past 4.2.2, so I did not get to sell it. Anyways I wanted to update it to something other than 4.2.2, so...