diff --git a/source/_integrations/sms.markdown b/source/_integrations/sms.markdown
index f885535065b..0501f609424 100644
--- a/source/_integrations/sms.markdown
+++ b/source/_integrations/sms.markdown
@@ -77,6 +77,7 @@ You will need a USB GSM stick modem.
 - [Huawei E3372-510](https://www.amazon.com/gp/product/B01N6P3HI2/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1)(
 Need to unlock it using [this guide](http://blog.asiantuntijakaveri.fi/2015/07/convert-huawei-e3372h-153-from.html))
 - [Huawei E3531](https://www.amazon.com/Modem-Huawei-Unlocked-Caribbean-Desbloqueado/dp/B011YZZ6Q2/ref=sr_1_1?keywords=Huawei+E3531&qid=1581447800&sr=8-1)
+- [Huawei E3272](https://www.amazon.com/Huawei-E3272s-506-Unlocked-Americas-Europe/dp/B00HBL51OQ)
 
 [List of modems that may work](https://www.asus.com/event/networks_3G4G_support/)
 
@@ -84,6 +85,8 @@ Need to unlock it using [this guide](http://blog.asiantuntijakaveri.fi/2015/07/c
 
 For some unknown reason, the rule that converts these modems from storage devices into serial devices does not run automatically. To work around this problem, follow the procedure to create `udev` rule on a configuration USB stick for the device to switch to serial mode.
 
+0. Try disable virtual cd-rom and change work mode "only modem". After this modem correct work on Raspberry Pi without 'udev' rule.
+
 1. Run `lsusb`, its output looks like this:
 
 ```bash