If Handphone's error like this. its means that handphone software is normal, Therefore IC Power (CCONT) can work normally. Self test function run when power lighted and Software is run from flash. If there is self test which unsuccessful, Text" Contact Service" Will displayed at LCD. Usually error in:
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Checksum of MCU ROM is failed, Try to flash your handphone again. If has the same result, Soldering the engine and try to re-flash.
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CCONT's interfaces failed, Maybe it is caused of CCONT has broken or The soldering that broken or Unfavourable. the Error certainly caused by MAD or PCB (stripe) that broken.
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COBBA's parallel/serial failed, maybe caused by IC COBBA has broken or The soldering that broken or Unfavourable. Try to change COBBA. If still failed, the problem is caused of MAD or PCB (stripe) broken.
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Check the software
