I use a Sagemcom Plusnet Hub One router for fibre broadband. Works fine with PC and my first smartphone. But oneday that would no longer connect. Of course I tried all the online suggestions (reboot router, phone, restore factory settings etc) to no avail. Had a spare phone so used that instead, until oneday that went the same way, unable to connect to wifi. Luckily I had a new phone, only for days it would not connect either! I tried connecting to my camera's wifi card and put in the wrong password. After that, the phone magically started connecting to the internet over wifi! Alas the old phone never worked on wifi again so I gave up on it.
Now I have bought a tablet and guess what - it can't connect! I am thinking it is a problem with the router now. Perhaps there is only one channel that works so more than one device can't connect? Two phones and a tablet can't all be faulty!
What happens is this: the wifi tries to connect and says "Obtaining IP address" but never gets any further. Eventually it says "IP Configuration Failure".
Is there anything I can do with the router to get my phones and tablets always able to connect?
I have tried separating the 2.4 and 5 channels as suggested above this but the phone/tablet are connecting on 2.4 only. I have no idea how to make them connect to a specific channel. I did try the tablet at Mum's house, where she uses a Netgear modem for Plusnet. It connected fine!
Moderator's note by Mike (Mav): This thread is now in the appropriate board.
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To help alleviate the confusion, the 2.4 and 5 GHz are not specific channels but are a range of channels. The ones mentioned by Adam Walker are located within the 2.4 GHz 'band'. Anyway, have your devices got internet access over wifi now, albeit only on the 2.4 GHz band? You may need to go to the devices settings and forget the network, then re-add it.
The phone works on 2.4 but the tablet still does not. I have tried forgetting and readding the network. Should the wireless settings be changed from Automatic to Manual? Or should I select a specific channel from the PC?
There's no need to change the channels in use just yet, that may not be the problem you're having.
Since the tablet is newer it should work on the 5 GHz band. In the Wi-fi settings you should be seeing two similar plusnet networks available (if not something isn't right). Select the one that ends with the -5 you added to the name.
What make/model tablet is it? Maybe it hasn't got a 5GHz band or it's not working. Can you now connect the tablet on the 2.4 GHz band?
The two bands are not the same speed, basically the lower frequency will travel further but will be slower. The problem with having the two synchronised is that client devices get confused.
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