---
title: "Troubleshoot Your App"
slug: "s3suite94-troubleshoot-the-app-sdk"
updated: 2026-10-27T18:42:23Z
published: 2026-10-27T18:42:23Z
canonical: "docs.onespan.com/s3suite94-troubleshoot-the-app-sdk"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.onespan.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Troubleshoot Your App

## Introduction

This is a troubleshooting guide for developers who are using the Nok Nok™ App SDK for Android, iOS, or Web Apps to build their own application to work with the Nok Nok Authentication Server.

You should read and understand the Developer Guides and Client API Documentation, listed below, for your platforms. Make sure to have Tutorial App available as a reference.

- [iOS Developer Guide](/dpoa/docs/s3suite94-ios-developer-guide-for-ios)
- [Android Developer Guide](/dpoa/docs/s3suite94-android-developer-guide-for-android)
- [Web Developer Guide](/dpoa/docs/s3suite94-web-developer-guide-for-web)
- [Cordova Developer Guide](/dpoa/docs/developer-guide-for-cordova)