Merge pull request #1434 from cristiklein/explain-band-steering

Add band steering to FAQ for solving WiFi issues

Author: arendst

docs/FAQ.md

@@ -11,6 +11,8 @@ DD-WRT also has Wi-Fi Multi-Media (WMM) enabled by default.  Disabling WMM can r
 
 Some Tasmota devices also have issues with OFDMA (WiFi 6) enabled on the 2.4GHz band.  Disabling OFDMA can solve problems with WiFi failing to connect. 
 
+Some Wi-Fi routers employ **band steering**. Band steering works by responding only to 5 GHz association requests and not the 2.4 GHz requests, which interferes with Tasmota devices which only support 2.4 GHz. Disabling band steering may resolve connectivity issues.
+
 ### I entered wrong Wi-Fi information
 If you have a device with a button and the button is configured as a component in the Tasmota settings (e.g., GPIO0 - Button1), you can try pressing the button to force the device into [Wi-Fi configuration mode](Buttons-and-Switches#multi-press-functions) with 4 short presses of the button. **Note:** Since version 8.3.0 this requires 6 short presses instead.