How do I find Wi-fi connections?

[islasmum]

My new iphone does not seem to find new wi-fi connections - I'm on Sky broadband at home, but it is not connecting to this, about the only place I can get a good connections i Tesco, in their store using their wi-fi.In the phone Settings it has the Wi-fi on,
then Sky (my number) which when touched comes back with Unable to join the Sky network (my number) , and then asks me to name another network. but has no suggestions to try another. So is there anything I can do myself, or should I ring T-mobile (for the IPhone) or Sky? Thanks for any help.

[rockyracoon]

When it says unable to join the network it usually means the signal isn't strong enough for the phone to pick up. Try sitting right next to the router/modem and try to connect there. Your phone s obviously working else it wouldn't pick up a signal in Tesco. Silly question, but you do have wifi connection at home?

[islasmum]

Not silly question at all - I'm fairly sure that it is wi-fi. Another interesting detail - I got a new phone yesterday, as I'd dropped my old phone and the screen has cracked, so T-mobile got me a new phonr and put all the old SIM card details onto a smaller sim card. I've just turned the old phone on, and it appears that the old phone is still picking up some wi-fi signal, if the icons on the phone are to be believed! I had set up the new phone with the router password etc, but would it not being connected to the new phone if the old phone is picking up the signal?

[islasmum]

I've now taken old sim card out of old phone, but the new phone still not picking up any wi-fi.

[rockyracoon]

Is the old phone picking up your sky wifi signal.

[islasmum]

Yes, it was.

[rockyracoon]

Try connecting standing right next to the modem/router, if it still doesn't work then you may have to wait to see if chuck or one of the other techies see this thread.

[MarkRae]

Does your Sky broadband router have wi-fi MAC address filtering enabled? If so, this is almost certainly the reason. Disable this temporarily and see if that fixes it. If so, you'll need to add the new iPhone's MAC address as one of the trusted addresses, and then turn MAC address filtering back on.

[ChuckFickens]

Or just leave the mac address filtering off, it's a pretty pointless security measure IMO (unless you happen to find somebody who knows who to crack a wireless network key but doesn't know how to spoof the mac address included in the same packets they must have intercepted to crack the key)

[MarkRae]

I half-agree, Chuck. It's like a steering wheel clamp. If a thief is determined to steal YOUR car, they'll do so whether it has a steering wheel clamp on or not. But if they're just looking to steal ANY car, they'll choose one which doesn't.

Similarly with MAC address filtering. If a determined hacker has some reason to bypass YOUR security, they'll do so in a matter of minutes. If, however, they're just looking for any wireless network to jump on, they'll find one where they don't need to go through this additional step...

[islasmum]

I managed to fix the problem by taking the phone back to original settings and re-loaded the software from my computer, and it is now working fine, thank you for all your help and suggestions.