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Posts: 3 | Thanked: 4 times | Joined on Jan 2011
My N900 which i had bought it just 6 months back is not showing the IMEI number and it does not accept any sim cards as well. When I boot my device it shows an error message as "All telephony functions, including emergency calls, are disabled due to a communication error. To recover, you might have to reboot the device." I tried flashing with maemo flasher 3.5 both EMMC and the rootfs. The EMMC flashes with no error but firmware stops at cmt-mcusw. Now I dont know what to do anybody who have experianced this and recoverd or who knows to correct it pls!! pls!! help.

Thanks in advance for repplies.
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anandv76's Avatar
Posts: 107 | Thanked: 28 times | Joined on Jan 2010
have you tried installing anything recently on your phone? where did you buy your phone from?
Posts: 5,795 | Thanked: 3,148 times | Joined on Feb 2007 @ Agoura Hills Calif
Perhaps there is something wrong with the Sim card.
All I want is 40 acres, a mule, and Xterm.
Posts: 42 | Thanked: 53 times | Joined on Jan 2010
Moderator, could you please merge this thread with all other on this subject: communication +problem/error
+sim. There are more than a handful now. Thanks.
Posts: 33 | Thanked: 35 times | Joined on Dec 2009 @ Norway, Oslo
Hade the same problem. I had to send my unit to Nokia care. Got a new unit 2 week later.
Posts: 3 | Thanked: 4 times | Joined on Jan 2011
I bought it from KSA. I had installed some apps from extras reps and ovi store
ndi's Avatar
Posts: 2,050 | Thanked: 1,425 times | Joined on Dec 2009 @ Bucharest
There are several threads for "telephony functions disabled".

Summary: reflash.

Mine does it after installing alarmed.
N900 dead and Nokia no longer replaces them. Thanks for all the fish.

Keep the forums clean: use "Thanks" button instead of the thank you post.
Posts: 4 | Thanked: 0 times | Joined on Dec 2011
I'm having the same problem..Does anyone solve it?????
please help me
Posts: 1,225 | Thanked: 1,905 times | Joined on Feb 2011 @ Quezon City, Philippines
The EMMC flashes with no error but firmware stops at cmt-mcusw.
Hardware damage to GSM radio. Get it repaired.
N9 PR 1.3 Open Mode + kernel-plus for Harmattan
@kenweknot, working on Glacier for Nemo.

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Posts: 75 | Thanked: 4 times | Joined on Mar 2010
also happened to mine a while back, i had to buy a new n900

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