flutter clean
rm -Rf ios/Pods
rm -Rf ios/.symlinks
rm -Rf ios/Flutter/Flutter.framework
rm -Rf ios/Flutter/Flutter.podspec
cd ios
pod install
cd ..
flutter build ios
flutter run
oepn podfile locate inside the ios,
Uncomment - # platform :ios, '9.0'
Change it to - platform :ios, '10.0'
Open Terminal.
cd ios
pod install
and if return this error [!] CocoaPods could not find compatible versions for pod "Firebase/Auth":
try this
pod install --repo-update