From e8eb4e72407155801a19a636d3a0643d860aba02 Mon Sep 17 00:00:00 2001
From: Yannick Spreen <yannick.spreen@gmail.com>
Date: Fri, 30 Apr 2021 17:50:41 +0200
Subject: [PATCH] Add prerequisites. (#6)

---
 README.md | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 96b07df..2dda6b1 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,11 @@ The wallet app provides a user interface to store and manage personal DGCs direc
 
 ### Prerequisites
 
-- [ ] TODO: Describe prerequisites
+- You need a Mac to run Xcode.
+- Xcode 12.4+ is used for our builds. On the Mac App Store, the os requirement lists macOS 11.0+, but it works fine on Catalina as well.
+- To install development apps on physical iPhones, you need an Apple Developer account.
+- Service Endpoints:
+  - To get QR Codes for testing, you might want to check out `https://dgc.a-sit.at/ehn/testsuite`.
 
 ### Build