Since this device is older, updates are primarily maintained by individual developers. I recommend checking the Lenovo Yoga Tab 3 8" Forum on XDA
Creating a custom ROM for the YT3850F required overcoming several hardware and software barriers.
Stuck on an ancient version of Android, the tablet begins to lag. Modern apps from the Play Store stop working, and security vulnerabilities pile up. A developer on forums like XDA Developers LineageOS community
repo init -u https://android.googlesource.com/platform/manifest -b android-13.0.0_r72 repo sync . build/envsetup.sh lunch aosp_arm64_ab-userdebug make systemimage -j4
The most stable and actively maintained custom ROM for this device is