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1. I only have a 4g network inside big cities and unstable 3g sometimes and not always.Worst possible service ever they made me multiple contracts ... And the time it took for 1 of them was to long to be canceled and another one they didn't close even thought i submitted a close request and now are refusing to even discuss about it .

2. I requested customer service that I don't need the card anymore after such a long time, but they didn't care.

3. Impractical complicated application (used to manage personal data and phone plans...) Old clients do NOT upgrade to the new advantages offered to attract new clients... There are many other much better SIM provider to choose from ...Useful to know how much data you've used and how much you still have befire the end of the month.

4. I had to stop their charges, because I never used the card, so they then giving you even a higher billDONT DO IT!! TERRIBLE COMPANY!!!! I'm glad there's a platform to warn others about winsim, but 500letters is not enough space to describe all the problems.

5. Multiple times customer service gives incorrect information, rude, and hasnt cared to correct the problem.

6. Try to improve that app cause it's really a downside for the image of your company.Very poor customer service.

7. The client service doesn't make up for their mistake and so on ... Run from it ..This company with it's all services is a real disaster.

8. First they didn't deliver the SIM card, but they were charging my credit card, without providing any services.

9. If you Want to quit you need a mail a messege and a phone all of them at least one month earlier of the expiration date of your program.

10. They offered 20euro credit, then didn't give it, sim doesnt work, and I'm expected to pay for 6months.

11. They made me wait for one month to get a sim card and finally they send nothing.

1. Fix winSIM Servicewelt Not Working/Crashes/Errors/Unresponsive & Black/White screen:

1. Restart winSIM Servicewelt: Restarting the app will resolve most errors.
2. Update the winSIM Servicewelt App. Here is how:
   1. On Android goto PlayStore » Search for "winSIM Servicewelt" » Open winSIM Servicewelt » click "Update".
   2. On iPhone, goto AppStore » Your profile » Available Updates » Check for winSIM Servicewelt » click "UPDATE".
3. Clear winSIM Servicewelt app cache: Clearing cached data will force your app to retrieve the latest data directly from winSIM Servicewelt servers.
   1. On Android, goto Settings » Apps » Select "winSIM Servicewelt" » click Storage » click "Clear Cache".
4. Check winSIM Servicewelt app permissions. If any of these permissions required to use your device's features are disenabled, winSIM Servicewelt might not work.
5. Uninstall and reinstall winSIM Servicewelt. If nothing else has worked, completely uninstall winSIM Servicewelt then reinstall.
6. Restart your device. Last, restarting your device can often clear most problems causing winSIM Servicewelt not working

2. Fix winSIM Servicewelt Server issues & Internet Connection

1. Check network connection: An unstable Internet will make winSIM Servicewelt be unable to connect to it's servers. Ensure your wi-fi is working then restart app.
2. Disable VPN: VPN can cause connection errors and lead to winSIM Servicewelt not working. Make sure all VPNs are off
3. Enable background data: When Background data is turned off, winSIM Servicewelt may not be able to connect to the Internet when running in the background.