Amended Phone security section with tor for iOS.

README.md

@@ -256,14 +256,17 @@ Also have those tunnels configured on ALL the devices you intend to use, and hav
 
 ### Phones
 It is not recommended to connect your smartphone to the congress wifi, if you still can't resist, here are a few things to consider:
+
 - make sure that it's **not a 802.11b** device, as it would slow down the complete wifi network.
 - disable all synchronization services, as they might be using plaintext
 - disable all auto-discovery services (network music players, remote control apps, etc...)
-- make sure there are no known exploits for your device
+- make sure there are no known exploits for your device (not that unknown-to-you exploits wouldn't be a possible risk as well…)
+- Turn off push notifications
 - update your apps, especially your browser
 - use a VPN tunnel if possible
 - use a Firewall and only allow the (few) services you trust.
 	- [DroidWall][20] for Android (root required)
+- If you don't have a VPN tunnel available, you can use [OnionBrowser][7] to surf via tor (which may be it's own kind of risk)
 
 **If you are unsure** that there might still be some services running and transmitting plaintext data, **do not connect**.
 
@@ -288,6 +291,7 @@ These people have contributed to improve this list for everyone. In no particula
 [4]:http://r0cket.org/
 [5]:https://www.noisebridge.net/wiki/Passport
 [6]:https://en.wikipedia.org/wiki/Schuko
+[7]:https://itunes.apple.com/at/app/onion-browser/id519296448?l=en&mt=8
 
 [20]:https://play.google.com/store/apps/details?id=com.googlecode.droidwall.free