I tried everything and I found this person comment from Excel Lars and the ones they used works for me here's their guide 1) Go on Google Search for ApkCombo app 2) Install ApkCombo 3)Search FGO 4)Download FGO (100mb) v2.50.0 5)Hit Install Notification say (Update) 6) Finish update. Run the game as always. -I did not understand what the 5th step but by using this method I found it works for me