Nokia 6233 PCB Layout Schematic Digram Both Ends
https://gsmfixer.blogspot.com/2015/10/nokia-6233-pcb-layout-schematic-digram.html
Here are Nokia 6233 PCB Layout, circuit diagrams and schematic diagrams with details. These diagram are very helpful in repairing of mobiles phones as from these diagrams we can learn about all the components of a mobile hardware. These diagrams will tell you how much hardware components are there and where are their positions.