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				3g does not work on 1.5.8
				Posted: Mon Nov 05, 2012 11:55 am
				by sonykphilip
				The changelog for 1.5.8 says 3G fixes, but I there is no menu option for 3G wan.
Ive tried 2 usb 3G dongles (both by Huawei), usb_modewswitch has entries for both, but there is no /dev/ttyUSB0.
			 
			
					
				Re: 3g does not work on 1.5.8
				Posted: Mon Nov 05, 2012 12:05 pm
				by sonykphilip
				BTW, its a WZR-HP-G300NH. I moved over from DD-WRT v24sp2-r18777 where I was using the same dongles successfully.
			 
			
					
				Re: 3g does not work on 1.5.8
				Posted: Sat Mar 09, 2013 7:06 pm
				by sonykphilip
				Well this didnt get fixed in 1.5.9 either, but I managed to get it working myself.
If you 
 
and you find that modeswitch has successfully switched to the target Vendor/Product ID eg, 
 
because I already had
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cat /etc/usb_modeswitch.d/12d1\:1446
# Huawei, newer modems
TargetVendor=  0x12d1
TargetProductList="1001,1406,140b,140c,1412,141b,1432,1433,1436,14ac,1506,1511"
MessageContent="55534243123456780000000000000011062000000100000000000000000000"
then it COULD be because kmod-usb-serial-option and kmod-usb-serial-wwan are not installed.
Do 
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opkg install kmod-usb-serial-option
  
If it refuses to install try 
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opkg --force-depends install kmod-usb-serial-option
You should get:
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opkg list-installed | grep kmod-usb
kmod-usb-acm - 3.3.8-1
kmod-usb-core - 3.3.8-1
kmod-usb-ohci - 3.3.8-1
kmod-usb-printer - 3.3.8-1
kmod-usb-serial - 3.3.8-1
kmod-usb-serial-option - 3.3.8-1
kmod-usb-serial-wwan - 3.3.8-1
kmod-usb-storage - 3.3.8-1
kmod-usb-storage-extras - 3.3.8-1
kmod-usb2 - 3.3.8-1
.
After this, ttyUSB[0,1,2] came up for me in 1.5.9.  I dont know why its been left out but Im happy it works for me. YMMV.