I found solution for Iphone 3.1.2 connection dropping out / password reentry problem.
So far my phone didn`t lost connection to DIR-825 Rev. B1 for 24 hours. I`m streaming Pandora with no dropouts / password re entry. Prior to that it was disconnecting every 10-15 minutes.
This solution should also work for another D-Link routers as well.
Here we go..
Go to Advanced > Advanced Wireless and change beacon period for 2.4 Band to 75.
Change RTS Threshold to 2304, Change Fragmentation Threshold to 2304.
save settings. Done.
Report back to this tread.
It works! I've run with it all day, lots of data. Never used to run more than a few minutes before. No problems at all.
How on earth did you figure this out? Could you see log files on either end to get a clue on the problem? Were you able to sniff the wireless connection somehow?
What do these setting even do? Does it degrade performance in any way?
In any case, great that you solved this. It was a major pain. Sad that Dlink never even commented on it and that Apple has let it languish so long.