update readme

Author: fadi-george

examples/RNOneSignalTS/README.md

@@ -1,5 +1,7 @@
 This is a new [**React Native**](https://reactnative.dev) project, bootstrapped using [`@react-native-community/cli`](https://github.com/react-native-community/cli).
 
+NOTE: DO NOT USE iOS26 + iPhone17 FOR SIMULATORS. This will not subscribe properly.
+
 # Getting Started
 
 > **Note**: Make sure you have completed the [Set Up Your Environment](https://reactnative.dev/docs/set-up-your-environment) guide before proceeding.