hı..
5800 keypad lights are on continuously.. ( always)
operations get...
1. Flash uploaded; same problem
2. full erase, flash and PM uploded ; same problem
3. Changed IC N2420 same problem (2x)
4. rehot N2300 ; same problem
5 rebal CPU ; same problem
What is the problem... Please help
I started the phone again, but When the display is not illuminated but the menu button does not work
???????