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maemo.org - Talk (https://talk.maemo.org/index.php)
-   Nokia N900 (https://talk.maemo.org/forumdisplay.php?f=44)
-   -   N900: Cannot change mode from 3G to GSM (https://talk.maemo.org/showthread.php?t=43253)

StocChr 2010-06-06 11:14
Re: N900: Cannot change mode from 3G to GSM
 
any idea? would like to switch to 2G Mode

9000 2010-06-06 11:36
Re: N900: Cannot change mode from 3G to GSM
 
You can enter the following in xterminal to make N900 use 2G network only:

Code:
run-standalone.sh dbus-send --system --type=method_call --dest=com.nokia.phone.net /com/nokia/phone/net Phone.Net.set_selected_radio_access_technology byte:1

To switch back to 3G:
Code:
run-standalone.sh dbus-send --system --type=method_call --dest=com.nokia.phone.net /com/nokia/phone/net Phone.Net.set_selected_radio_access_technology byte:2
Duel mode:
Code:
run-standalone.sh dbus-send --system --type=method_call --dest=com.nokia.phone.net /com/nokia/phone/net Phone.Net.set_selected_radio_access_technology byte:0

You may add a "Desktop Command Execution Widget" or "Queen BeeCon Widget" to add a desktop widget to execute the command from desktop.

Hope this help.

StocChr 2010-06-06 17:17
Re: N900: Cannot change mode from 3G to GSM
 
i entered your commands in xterminal, but nothing happens, my phone stand in 3G Mode :(

9000 2010-06-06 17:28
Re: N900: Cannot change mode from 3G to GSM
 
Did you copy and paste it to your xterminal? Because it might not return anything if you've entered them wrong.

StocChr 2010-06-06 17:37
Re: N900: Cannot change mode from 3G to GSM
 
i did...

run-standalone.sh dbus-send --system --type=method_call --dest=com.nokia.phone.net /com/nokia/phone/net Phone.Net.set_selected_radio_access_technology byte:1

3G Mode stands

MrWeasel 2010-06-06 17:45
Re: N900: Cannot change mode from 3G to GSM
 
Quote:
Originally Posted by 9000 (Post 702483)
Did you copy and paste it to your xterminal? Because it might not return anything if you've entered them wrong.
If you'd read the beginning of this thread you'd know that these are the exact commands that are used by the controlpanel applet as well as the 3g2g applet.

The n900 devices with the wrong product code are hardlocked to 3g, and the only way by now to fix this is to send them back to Nokia.

StocChr 2010-06-06 17:52
Re: N900: Cannot change mode from 3G to GSM
 
no chance to change the product code for myself?

MrWeasel 2010-06-06 17:58
Re: N900: Cannot change mode from 3G to GSM
 
If you find a way, you'll be the first. I don't think that it is impossible but may be tricky.

9000 2010-06-06 18:49
Re: N900: Cannot change mode from 3G to GSM
 
Quote:
Originally Posted by StocChr (Post 702501)
i did...

run-standalone.sh dbus-send --system --type=method_call --dest=com.nokia.phone.net /com/nokia/phone/net Phone.Net.set_selected_radio_access_technology byte:1

3G Mode stands
I didn't reject the possibility regarding 3G locking, but I think it's better to exhaust every possible way before sending it back to Nokia, that's why you're here.

Have you seen the momentary signal lost when you issue the command? Are you sure your sim can connect to 2G, say, have you tried it on other cellphone?

StocChr 2010-06-06 18:59
Re: N900: Cannot change mode from 3G to GSM
 
yeah sim card is ok! after 1 week i send my handy back to nokia for repair... i get back a brand new mobile and i think with swap code... fm transmitter also standardly dont work


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