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Nexus0391's avatar
Sep 02, 2024

Orbi NBR750 Sim Card internet issue

Hey all, so here's my current issue. My Orbi is usually connected via AT&T Sim card. A few days ago, my internet kept dropping by itself. I decided to try and reboot with the same issue, noticing that the Orbi was going into it's own boot loop. I pulled the SIM and tested it in a phone to make sure it had data signal and it did. Placed it back into the Orbi and did a reset by hitting the little button on the back with the same result, except this time I got a SIM not detected error. Tested the SIM in a phone again and sure enough, SIM no longer working (which is fine, I can replace the SIM). tested with t-mobile SIM card and did a reset and voila, Internet working. Fast forward about a day and I went to place the ORBI back in it's home until I can get another AT&T SIM card and it went back into it's boot loop issue. Reset, fixed it for a while, Internet dropped, tried to reboot only to have it go back into boot loop cycle. I'm not sure what to think at this point. It's almost 2 years old so out of warranty at this point. Does it sound like it needs to be replaced? I found a replacement on Amazon for $209 but want to see if anyone here has ideas before I do that. I even tried to reinstall the firmware with no luck. It seems like it could be something defective within the Orbi itself. First time experiencing this issue and I'm stumped

3 Replies

    • Nexus0391's avatar
      Nexus0391
      Tutor

      So the issue does persist even with using different power outlets so it's not any kind of outlet issue. I am also certainly using the power adapter that came with the router. The boot loop issue is happening a lot but sometimes does not happen. I have been testing different things with the router for the past few days and have noticed that sometimes it will work fine, but then others it will go into a boot loop cycle (without changing the power source). So an example would be I can plug it in and it will work just fine, then I will reset the router and run a fresh setup to test the router's performance after a reset to see if it will work fine and then after reset and fresh setup the router will go into a boot loop cycle. It will come on, the internet will work for the first minute or 2, and then the internet will drop and it will reboot itself, and it will do this over and over. There is no error message that I can see. I am able to access the router's web UI and I usually just type in the search bar 192.168.1.1 to access it, but of course if the router is in a boot loop cycle it will only let me access it as long as the router is not rebooting itself. I was able to reinstall the firmware and had to be very quick with it because at the time of firmware reinstallation, it was boot looping, so I had to use mobile hotspot to download and then quickly reinstall on the web UI as soon as I was able to access it and successfully completed the reinstallation but it did not fix the issue. I did open up the router and saw some dust inside so I blew it out with a can of compressed air but that did not fix the issue either.

      • Nexus0391's avatar
        Nexus0391
        Tutor

        Just wanted to share an update that I did order a replacement from Amazon and can confirm it seems to have been an issue with the previous router. I'm not sure what exactly happened to it, but the replacement came in, I have my AT&T Sim card in it, and it is working just fine without any trouble. It is updated to the new firmware and is working strong. I can only assume it is a hardware issue with the old router. New one is plugged into the same outlet as the old one as well.