I can't install FireStore pod in iOS

Question

I can't install FireStore pod in iOS.

1. [!] CDN: trunk Repo update failed - 2 error(s): CDN: trunk URL
   couldn't be downloaded:
   https://cdn.jsdelivr.net/cocoa/Specs/4/3/f/FirebaseFirestoreSwift/0.2/FirebaseFirestoreSwift.podspec.json
   Response: Timeout was reached CDN: trunk URL couldn't be downloaded:
   https://cdn.jsdelivr.net/cocoa/Specs/4/3/f/FirebaseFirestoreSwift/0.3.0/FirebaseFirestoreSwift.podspec.json
   Response: Timeout was reached

and this error too

Analyzing dependencies [!] CocoaPods could not find compatible
versions for pod "nanopb":   In snapshot (Podfile.lock):
    nanopb (= 1.30905.0, ~> 1.30905.0)

  In Podfile:
    FireStore was resolved to 1.0.0, which depends on
      FirebaseFirestore (~> 0.14) was resolved to 0.16.1, which depends on
        nanopb (~> 0.3.8)

Firebase/Auth was resolved to 6.29.0, which depends on
      Firebase/CoreOnly (= 6.29.0) was resolved to 6.29.0, which depends on
        FirebaseCore (= 6.9.2) was resolved to 6.9.2, which depends on
          FirebaseCoreDiagnostics (~> 1.3) was resolved to 1.5.0, which depends on
            nanopb (~> 1.30905.0)

Answer 1

Running these commands solved it for me:

1. pod repo remove trunk
2. pod install