boas nao acredito que seja da flash nas sim da placa pesquisei um pouco e nao encontrei as fotos mas este texto aqui vai:Here are some hint's & diagnostic for esd keypad ic for 6600,hope this could be usefull to all...
Upper ic = Connector Pin
1. Gnd
2. 3,6,9,#
3. 1,4,7,ABC
4. call,4,5,6
5. clr,ABC,*,#
6. +v led
7. Right soft key
8. Menu,Left,Soft key
9. Joystic (Right)
10. joystic (Left)
Lower ic = Connector pin
11. Joystic (center)
12. Joystic (down)
13. Joystic (Up)
14. Leftsoft key,Right soft key
15. Gnd
16. 1,2,3,0
17. End call,7,8,9
18. Menu
19. 2,5,8,*
20. Call,End call,Clear,0
For example if 1,2,3,0 together r not working then we have to replace lower ic and if 1,4,7,ABC r not working then upper ic is faulty.
so falta mesmo as fotos do jumpers e dos cristais .ps este texto foi sacado de outro forum