How to set 4g USB modem on OpenWRT?

Good time of day.
Faced with such a problem. Have a linksys ea4500 router that stock firmware is not friendly with usb modems. Installed it on OpenWRT, but I can't understand the wiki, how to connect usb modem. The instructions did
opkg install comgt kmod-usb-serial kmod-usb-serial-option kmod-usb-serial-wwan usb-modeswitch usb-modeswitch-data

But then I did not know what to do, please tell me what to do next?
usb modem from Huawei MegaFon 4g
August 19th 19 at 23:05
2 answers
August 19th 19 at 23:07
Mode Hilink Stick or the bike ? Model is what ?
The fact is that depending on the mode of modem and different settings and packages in OpenWRT, you must download different .
In the first case, this is a classic modem, the second is a network map . If the 4G modem in the first case more than 20 megabits not receive, in the second, depending on the base station 150 can .

In General, for a full answer , need your explanations on the merits of the questions raised above.
August 19th 19 at 23:09
As I understand it, the Stick regime, as operated through the application and not web.
Model Huawei E3272 (megafon m100-4)

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