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How to resynchronise TOTP codes on Android

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TOTP stands for Time-based One-Time Passwords and is a common form of two factor authentication (2FA).

Sometime the TOTP codes on your mobile are not the one you see on your computer for instance. Problem, the codes should be exactly the same everywhere.

How to resynchronise TOTP codes on Android

Unique numeric passwords are generated with a standardised algorithm that uses the current time as an input. The time-based passwords are available offline and provide user friendly, increased account security when used as a second factor.

Root cause

The problem regarding desynchronised code is usually not coming from your TOTP app, but from the time on you Android Phone which is incorrect.

Step by step resync

Here is the process to resync it:

  1. uncheck “update from network”
  2. set date to a wrong time (something that’s clearly not right)
  3. close settings
  4. check “update from network” again
  5. reboot your device

At reboot, hopefully, you device should check the network date and time.

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