Expo Plugin to fix react-native-firebase 16.4.6, you'll also need to EAS build with --clear-cache

withReactNativeFirebase.ts

// See this recommendation for the native fix
// https://github.com/invertase/react-native-firebase/issues/6725#issuecomment-1342808185

import { ExpoConfig, ConfigContext } from "@expo/config"
import { ConfigPlugin, withDangerousMod } from "expo/config-plugins"
import { mergeContents } from "@expo/config-plugins/build/utils/generateCode"
import * as fs from "fs"
import * as path from "path"

const withReactNativeFirebase: ConfigPlugin = (config) => {
  return withDangerousMod(config, [
    "ios",
    async (config) => {
      const filePath = path.join(config.modRequest.platformProjectRoot, "Podfile")
      const contents = fs.readFileSync(filePath, "utf-8")

      const firebaseOverride = mergeContents({
        tag: "IR-Firebase-SDK-Version-Override",
        src: contents,
        newSrc: "# Override Firebase SDK Version\n$FirebaseSDKVersion = '10.3.0'",
        anchor: /scripts\/autolinking/gm,
        offset: 0,
        comment: "#",
      })

      fs.writeFileSync(filePath, firebaseOverride.contents)

      return config
    },
  ])
}