How to be a beta tester added in README

README.md

@@ -20,6 +20,33 @@ Interested in helping translate Linphone? Contribute [on Transifex](https://www.
 ## Report bugs and submit patchs
 
 If you want to dig through Linphone code or report a bug, please read `CONTRIBUTING.md` first. You should also read this `README` entirely ;-).
+ 
+## How to be a beta tester ?
+ 
+Enter the Beta :
+	- Download TestFlight from the App Store and log in it with your apple-id
+	- Send an email to linphone-iphone@belledonne-communications.com, with object : [Beta test - Request], where you precise your apple-id you logged in TestFlight with
+	- You will receive an invitation code to the beta in the following days via your email associated to your apple-id
+	- Enter the invitation code received into TestFlight
+	- Download Linphone from TestFlight
+ 
+	And voilà !
+	TestFlight will send you a notification every time a new beta test is available.
+ 
+Send a crash report :
+	It is done automatically by TestFlight
+ 
+Report a bug :
+	- Open Linphone
+	- Go to Settings —> Advanced —> Send logs
+	- An email to linphone-iphone@belledonne-communications.com is created with your logs attached
+	- Fill in the bug description with :
+		* What you were doing
+		* What happened
+		* What you were expecting
+		* Approximately when the bug happened
+	- Change the object to [Beta test - Bug report]
+	- Send the mail
 
 # Building and customizing the SDK