https://3.bp.blogspot.com/_YF5WDLLK2nA/RhE6QSReO7I/AAAAAAAAB...
https://3.bp.blogspot.com/_YF5WDLLK2nA/RhE44SReO6I/AAAAAAAAB...
Disassembly video (2019), https://www.youtube.com/watch?v=bdhlOlx2gxY
Schematics: https://www.nodevice.com/service-manuals/telephone/nokia/611...
