The official upgrade path from Lenovo, when it was available, was straightforward: connect to a Wi-Fi network, navigate to to see if a new version was available. However, that path is now a dead end.
The Lenovo B8000-F may not be receiving any more Android updates, but that doesn't mean you can't still use it. By taking steps to keep your device secure and exploring alternative software options, you can get the most out of your device. If you're due for an upgrade, consider purchasing a newer device that will receive ongoing Android updates. lenovo b8000-f android update