Poll network info only when network generation is unclear

Signed-off-by: mvglasow <michael -at- vonglasow.com>
Improve accuracy of cell type guess

Signed-off-by: mvglasow <michael -at- vonglasow.com>
Remove unused imports, dead code and old comments

Signed-off-by: mvglasow <michael -at- vonglasow.com>