OTP Authenticator app not working? crashes or has problems?

OTP Authenticator Status

Published by Swiss SafeLab GmbH

Swiss SafeLab OTP Authenticator is a free strong one-time password app fully
compliant to the mOTP specification (http://motp.sourceforge.

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Common OTP Authenticator Problems & Solutions. Troubleshooting Guide

Complete guide to troubleshoot OTP Authenticator app on iOS and Android devices. Solve all OTP Authenticator app problems, errors, connection issues, installation problems and crashes.

Table of Contents:

OTP Authenticator iPhone Issues and Solutions

OTP Authenticator iOS app crashes, not working, errors
OTP Authenticator iOS app network issues
OTP Authenticator on iOS has black/white screen

OTP Authenticator Android App Issues and Solutions

OTP Authenticator has errors/crashing/not working
OTP Authenticator server network connectivity issues
OTP Authenticator has black screen

OTP Authenticator iPhone Issues and Solutions

Here are some helpful workarounds that should work whenever OTP Authenticator app keeps crashing or doesn't work as expected on your iPhone 14, 13,12,10,8,7,6, SE,XS,XR.

How to fix OTP Authenticator app crashes or not working on Iphone (iOS):

Close and restart the OTP Authenticator app on iPhone
Update OTP Authenticator app to the Latest Version for iOS
Uninstall and reinstall OTP Authenticator iPhone app
Update your iPhone to the latest iOS version

Fix OTP Authenticator on iPhone unable to connect to server/internet connection issues::

To resolve OTP Authenticator network issues, Reset phone network settings:
1. On iphone, Goto "Settings" » "General" » "Reset" » "Reset Network Settings".
2. Enter your device passcode. Then confirm "Reset Network Settings".

Turn off your VPN:
1. Goto "Settings" » "General" » "VPN".

Fix OTP Authenticator black/white screen (blank screen) on iPhone:

Follow the OTP Authenticator iOS app troubleshooting guide Here →

OTP Authenticator Android App Issues and Solutions

Fix OTP Authenticator not working on Android, crashes, errors or is unresponsive:

Follow these steps to resolve intermittent OTP Authenticator app issues:

Force Stop the OTP Authenticator App
1. On android, goto "Settings" » click OTP Authenticator app. » click "Force Stop".

Update OTP Authenticator to the latest version on PlayStore

Clear OTP Authenticator App Cache and Data:
1. On your device, goto "Settings" » click "Apps" » select "OTP Authenticator app" » click "Storage" » click "Clear Data" option. This Clears both data and cache.
2. Relaunch OTP Authenticator.

Fix OTP Authenticator unable to contact server/ OTP Authenticator internet connection errors on Android:

This issue is usually caused by your network. Here is how to fix:

On android, goto "Settings" » "Apps" or "Manage Apps" tab.
Click OTP Authenticator » "Force Stop".
Next, goto "Storage" » "Clear Data".
Again, got OTP Authenticator » "Mobile Data" » "Allow Background Data Usage".
Go back to "Settings" » "Connections" » "Mobile Network" » "Network Mode".
Now, put your network on 4G e.g. LTE/3G/2G (auto connect)
Relaunch OTP Authenticator on android.

Solve OTP Authenticator black/white screens issue on Android:

Follow the OTP Authenticator android app crash troubleshooting guide Here →

Contact Support

Some issues cannot be easily resolved through online tutorials or self help. So we made it easy to get in contact with the support team at Swiss SafeLab GmbH, developers of OTP Authenticator.

89.47% Contact Match

Developer: Red Hat

E-Mail: [email protected]

Website: Visit OTP Authenticator Website

81.08% Contact Match

Developer: Google LLC

E-Mail: [email protected]

Website: Visit Google LLC Website

About this app

Swiss SafeLab OTP Authenticator is a free strong one-time password app fully compliant to the mOTP specification ( ). mOTP is based on time synchronized one-time-passwords. Swiss SafeLab OTP Authenticator is supported by our pure software-based two factor authentication solution Swiss SafeLab M. ID Suite ( ).