You can try resetting the TV-Box with a paper clip.
I assume it’s the original remote control.
Which TV-Box is it according to the link below.
https://www.swisscom.ch/de/privatkunden/hilfe/geraet/blue-tv.html
Installationen, Netzwerk, Internet, Computertechnik, OS Windows, Apple und Linux.
a year later
WalterB I would be interested to know if there has been a solution, I have the same problem, despite reset, reset etc. nothing works
contact support and request a new remote control
Private customers: contact by hotline, chat, message | Swisscom
a month later
Hallo Thiempiefauff72
Thank you for your comment 😊👍.
Did one of the posts help you and were you able to solve your problem? If so, please mark the post as a solution so that others who are looking for the same topic know whether this was the solution.
Thank you very much,
best regards, DorotheaT 🌷