If you do not know how to fix the issue IMAP Gmail Not Responding, then to fix it, follow the step:-
Step 1: Press the Home button and choose Settings.
Step 2: Scroll down and click Passwords & Accounts.
Step 3: Tap the name of your IMAP email account.
Step 4: Scroll to the bottom and click Advanced.
Step 5: Scroll to the bottom and tap the empty IMAP
Step 6: Path Prefix. Enter INBOX in capitals
Step 7: click Accounts at the top left and click ‘Done’ at the top right twice
If you have any queries regarding Gmail, then you can call the expert on ☎ +1-(269)-(409)-1989.