[Q] lenovo a3500 does not upgrade to android ⁴.⁴.²

[chipy-chipmunk]

Hi guys

My lenovo tablet a3500 3g WiFi does not want to update the firmware. I rooted my tablet. Then I unrooted so that I can upgrade. But still the tablet will download the update package then when it has to install, it says installation failed. Please help.

Kind regards.

 

[sd_shadow]

Hi guys

My lenovo tablet a3500 3g WiFi does not want to update the firmware. I rooted my tablet. Then I unrooted so that I can upgrade. But still the tablet will download the update package then when it has to install, it says installation failed. Please help.

Kind regards.

This thread will be moved to A3000 Q&A, Help & Troubleshooting