Nokia N900

[singo3]

hi
i have a nokia N900 phone and this is the error messag am getting when i switch on the phone,
All telephony functions, including emergency calls, are disabled due to a
communication error. To recover, you might have to reboot the device.
any one with the soluiton to is. help

 

[DelJo63]

open the back, take out the battery and then remove the SIM card.

replace the battery and power-on. of course it will not run, but it resets the
firmware.

shutdown and reinstall the SIM and try again.

 

[singo3]

N900

hi thinks for that, i have done what you side and it is still the same state ,any another solutions.please help