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Blackberry 8320 Keypad Solution - In this post will discuss if the keypad blackberry 8530 is not functioning properly, you should check first course keytone keypad in good condition, not dirty or wet corrosion, if keytone in good condition, the first step you have to resolder ic keypad as shown below, make sure all the fine pitch solder in place, often with resolder keypad ic as shown . epson 9900 . bb 9900 matot solved