COSMuS app not working? crashes or has problems?

COSMuS Status

Last Updated on 2024-10-23 by Mann & Schroder GmbH

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Common COSMuS Problems & Solutions. Troubleshooting Guide

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

Table of Contents:

COSMuS iPhone Issues and Solutions

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

COSMuS Android App Issues and Solutions

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

COSMuS iPhone Issues and Solutions

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

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

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

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

Follow the COSMuS iOS app troubleshooting guide Here →

COSMuS Android App Issues and Solutions

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

Follow these steps to resolve intermittent COSMuS app issues:

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

Update COSMuS to the latest version on PlayStore

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

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

Solve COSMuS black/white screens issue on Android:

Follow the COSMuS 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 Mann & Schroder GmbH, developers of COSMuS.

About this app

this app ist die aktuelle Kommunikations-App der Mann & Schröder GmbH. this app bietet unseren Mitarbeitern, Kunden, unserem Partnernetzwerk und Interessenten die Möglichkeit, über unsere Produkte und Marken, interessante Projekte sowie vieles mehr rund um die Mann & Schröder GmbH informiert zu bleiben - mobil, schnell und aktuell. Für Mitarbeiterinnen und Mitarbeiter von MANN & SCHRÖDER COSMETICS gibt es ist die Möglichkeit, immer up-to-date zu sein und Informationen rund um die Uhr zu erhalten. Durch Push Notifications sehen Sie sofort, was es spannendes Neues aus der Welt von MANN & SCHRÖDER COSMETICS gibt. Downloaden Sie die this app-App jetzt, um nichts über MANN & SCHRÖDER COSMETICS zu verpassen! News: Bleiben Sie auf dem neusten Stand mit den aktuellsten Neuigkeiten.