The problem with the switches still does presist: ERROR: Could not determine latest version, probably no internet connection. Use manual upgrade.
Don’t be concerned about this problem now…It’s not related to your current issue at all…
Find you iPad MAC address, than log in your AP’s and look at this parameter > “Wireless>Registration>TX/RX Signal strenght” . If signal strenght for ipad <=-80 dBm (-120..-80 very poor signal, wifi will not work with such parameters). Second one what you should look it’s a signal quality CCQ and SNR
Here is good explanation of SNR,CCQ, … signals.
http://forum.mikrotik.com/t/noise-floor/66971/1
