app not working? crashes or has problems?

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Last Updated on 2022-11-28 by Uni Potsdam

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Common Problems & Solutions. Troubleshooting Guide

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

Table of Contents:

iPhone Issues and Solutions

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

Android App Issues and Solutions

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

iPhone Issues and Solutions

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

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

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

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

Follow the iOS app troubleshooting guide Here →

Android App Issues and Solutions

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

Follow these steps to resolve intermittent app issues:

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

Update to the latest version on PlayStore

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

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

Solve black/white screens issue on Android:

Follow the 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 Uni Potsdam, developers of .

Verified email ✔✔

E-Mail: [email protected]

Website: 🌍 Visit Website

Privacy Policy: https://www.uni-potsdam.de/de/mobileup/datenschutz.html

Developer: Uni Potsdam

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