To get a newer Android version (e.g., 6.0, 7.1, or even 9.0), you need a custom ROM from the XDA Developers community.
Lenovo left these unlocked by default. Simply hold Volume Up + Power to boot into fastboot.
Q: Can I get Android 5.0 Lollipop officially on the B8000-F? A: No. Lenovo skipped Lollipop entirely for this model. lenovo b8000-f android update
Q: My B8000-F is stuck on the Lenovo logo. How do I fix it? A: Hold Power + Volume Down for 10 seconds. Boot into stock recovery and perform a factory reset. If that fails, you must use the "Lenovo Smart Assistant" (PC software) to flash the stock KitKat firmware.
Q: Does Netflix HD work after the custom ROM? A: No. Because the bootloader is unlocked, Widevine DRM drops from L1 to L3. You can watch Netflix, but only in SD (480p). To get a newer Android version (e
Q: I installed LineageOS, but Wi-Fi keeps disconnecting. A: This is a known quirk with Android 7.1 on the B8000-F. Go to Wi-Fi settings -> Advanced -> Keep Wi-Fi on during sleep (change to "Always").
Q: Is there an Android 8 (Oreo) ROM? A: There are experimental builds, but Bluetooth breaks horribly. Avoid. Install drivers on PC: ADB/Fastboot and MediaTek VCOM
Q: Where do I find these ROM files safely? A: Go to XDA Developers forum -> Search "Lenovo Yoga Tablet 10 HD+ (B8000)" -> Look for threads by developer "Quallenauge" or "Tortellini." Do not download from random file hosting sites.