This is odd, my app world isn't loading properly when wifi is connected and won't download anything, unless I turn off my wifi then everything works fine
I tried un installed and reload app world and it's the same, even did a wipe and same issues. Any ideas?
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What kind of router are you using? Are you getting connection errors? Is the wifi icon greying and whiting every 5 minutes? When it's grey can you still access the web from your device? (To verify this, turn off Mobile Network, leave wifi on, launch the browser and navigate to a mobile website).
Belkin and Airport routers have been known to have trouible with blackberries. Belkin's are the worse-off type. I own one and I know what it's like. I cannot even change any settings like QoS or anything, it's a plagued Mimo router.
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I've seen this with certain DNS providers. What DNS servers is your Wireless router giving the DHCP clients?
Some ISP's (AT&T's I know first hand), and OpenDNS seem to have issues.
Try changing the DNS servers on your wireless router to google's. (8.8.8.8 and 8.8.4.4)