usm: ensure usm is applied

ensures that system update will not succeed. If system update succeeds at this point, user will update to 11.17 = RIP.

_pages/en_US/installing-boot9strap-(usm).txt

@@ -67,6 +67,13 @@ In this section, you will trigger the BannerBomb3 exploit using the DSiWare Mana
   + If the BB3 multihax menu says "cfw installed already", you already have custom firmware and should continue from [here](checking-for-cfw)
 1. Use the D-Pad to navigate and press the (A) button to select "Install unSAFE_MODE"
   + Your device will automatically power off
+1. Power on your device
+1. Launch System Settings on your device
+1. Navigate to `Internet Settings` -> `Connection Settings`
+1. Ensure that all three connections are named "Haaaaaaaxxxxxxxxx..."
+  + Do NOT change these settings!
+  + If all three connections are NOT all named "Haaaaaaaxxxxxxxxx...", STOP! Something went wrong in this section and MUST be fixed before you can continue
+1. Power off your device
 
 #### Section III - unSAFE_MODE