Two-factor authentication is considered as protection shield to your account as it restricts the entry of unwanted elements in an account. Sometimes 2-factor doesn’t work and such errors are quite serious. To fix 2fa authentication issues at first place, you can dial Okex customer support phone number
which is reachable from any point across the world. You will be connected with the customer care team which is helpful and give quality- oriented solutions to the users in a jiffy.