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My Phone is connecting but in same location zyxel modem not

  • August 12, 2026
  • 4 svar
  • 29 visningar

My Phone is connecting but in same location zyxel modem / router can't see any network. I did everything (reboot, reset, take off sim and put again back, setup with Zyxel Air tool...). Seems The modem can not see any signal. But myphone is same 3 network and writing via hotspot over the phone. I am an computer engineer and I do every simple step already. The most interesting part is I can not reach anyone from 3 technical support!

4 svar

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  • Superhjälte
  • August 12, 2026

@drlinux Hello,

 

do you have the possibility to put your SIM-card from the Zyxel-router in your phone (or any other phone) to see if it connects? Have it been working before? Spontaneously, it sounds like the SIM-card you have in your router isn't active.

You can call Tre on +46735-300 400 weekdays between 9-18. 


  • Trådskapare
  • Nykomling
  • August 13, 2026

Hi, 

Thank you for the information. Everything was working well before. This is happened just I started to move my mobile number phone from another carrier to 3. The number is not related with my 5G broadband subscription. Both are different accounts / subscriptions. Seems something went wrong with the process... Because when I tried with a phone this sim card, I got "no service" problem... 


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  • Superhjälte
  • August 13, 2026

@drlinux What you can do, is to log in to Mitt3 with Bank ID and fin your broadband subscription. Then try to activate the SIM-card that you had in your router to see if it works. 
 

If not, call Tre today on the phone number above and they will be able to help you :)


  • Trådskapare
  • Nykomling
  • August 13, 2026

The problem is being much more interesting. The phone number that I moved to 3 (today is the date of the move day). I can connect the internet but I can not ring any phone number or can’t receive any call from anyone. At this moment I am blind and can not do anything. This is an office and this is my number for my customers that they can reach to me. All the things are now paralyzed. :/ I have also sent an email to them. BTW, I did activate the sim card yesterday already… I don’t know how to reach them. Seems I made a big mistake by choosing 3. One thing about the support line, yesterday they actually the call center automation told me that they can’t answer today because they are busy. Any suggestions guys please?