Nokia's newest Android Go phones have removable batteries and other 2014 specs
[https://www.androidpolice.com/nokias-newest-android-go-phones-include-a-removable-battery/amp/] - - public:mzimmerm
Install pixel experience tom android 11 on Lenovo K3 notr
Looks like Android 7 is the latest custom ROM for Lenovo K3 note.
Good document on what is what in rooting with detail steps, but too generic.