: Keys are typically grouped in rows or columns (e.g., 1, 2, 3). If an entire row fails, look for a common broken track leading to the main IC.
Tin the tip of your enameled copper wire (0.1mm thickness recommended) with a small bead of solder. nokia 105 rm 908 keypad ways
The board lines typically group the numbers into columns and rows to save processing pathways: : Keys are typically grouped in rows or columns (e