I returned my modem weeks ago but I received an email that says I will be charged for failing to return the equipment.
As it seems it is a PostNL problem so please can I have someone sort that out, since I do have returned the equipment like it was instructed?
![](https://uploads-eu-west-1.insided.com/tmobile-nl/attachment/8ec321b6-0d80-47a6-a9a3-1981355d6470.jpg)