Updated iOS install instructions

README.md

@@ -33,7 +33,7 @@ Android C++ libraries should be copied from the Firebase C++ SDK to your extensi
 #### Copy iOS dependencies
 Setup for iOS is made without CocoaPods using a direct download of the [Firebase iOS SDK from GitHub](https://github.com/firebase/firebase-ios-sdk/releases). It is important to use a version of the iOS SDK matching the iOS dependencies in `firebase_cpp_sdk/readme.md`.
 
-* Copy frameworks from iOS SDK. Note that Defold doesn't support `*.xcframework` files. You need to unpack/open all the `*.framework` files from `*.xcframework` and put to folders according to architecture.
+* Copy frameworks from iOS SDK. Check the included `firebase_ios_sdk/README.md` to learn which frameworks you need (most Firebase products require the frameworks for Firebase Analytics as well as the frameworks specific to the product). Note that Defold doesn't support `*.xcframework` files. You need to unpack/open all the `*.framework` files from `*.xcframework` and put to folders according to architecture.
    * `firebase_ios_sdk/FirebaseProduct/*.xcframework/ios-arm64_armv7/*.framework` -> `extension/lib/ios`
    * `firebase_ios_sdk/FirebaseProduct/*.xcframework/ios-arm64_i386_x86_64-simulator/*.framework` -> `extension/lib/x86_64-ios`