KSL app not working? crashes or has problems?

KSL Status

Last Updated on 2021-04-22 by Jasper Kortmann

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Common KSL Problems & Solutions. Troubleshooting Guide

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

Table of Contents:

KSL iPhone Issues and Solutions

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

KSL Android App Issues and Solutions

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

KSL iPhone Issues and Solutions

Here are some helpful workarounds that should work whenever KSL 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 KSL app crashes or not working on Iphone (iOS):

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

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

To resolve KSL 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 KSL black/white screen (blank screen) on iPhone:

Follow the KSL iOS app troubleshooting guide Here →

KSL Android App Issues and Solutions

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

Follow these steps to resolve intermittent KSL app issues:

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

Update KSL to the latest version on PlayStore

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

Fix KSL unable to contact server/ KSL 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 KSL » "Force Stop".
Next, goto "Storage" » "Clear Data".
Again, got KSL » "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 KSL on android.

Solve KSL black/white screens issue on Android:

Follow the KSL 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 Jasper Kortmann, developers of KSL.

About this app

Diese App ist für das Liebfrauen Gymnasium im Herzen Berlin-Charlottenburg am Theodor-Heuss Platz. Wenn ihr Verbesserungsvorschläge, Anregungen oder Wünsche zur App haben solltet, dann schreibt eine Bewertung oder eine E-Mail an mich.