Nokia 2730c keypad 4,5,6,back,option problem[solve]

[Yongitechz]

UNIT
NOKIA 2730c


STATUS
keypad problem

TOOLS:
Iron,Hot air,break board of nokia 3110c,at higit sa lahat ang mahiwaga kung kamay na walang pasma...hehehe


ACTION TAKEN
1.Try ko muna linis ang board,hugas magic thinner dahil nabasa dw sa tubig...[no luck]
2.Mild reheat ko ang keypad ic[no luck parin]
3.I decided na replace keyapd ic na...[problem solved]

HERE"S MY SCREENSHOT:

Ito naman finish product ko:

For reference lang mga idol.......​