Wi-Fi drops after iOS 4.2.1

My goal is more to document the problem than to find a solution. I know Apple probably won't see this. I have posted the bug via the appropriate form. The problem: iPad drops Internet connection with no discernible pattern. It apparently stays connected to the network, as evidenced by the persistent Wi-Fi radio waves symbol in the upper left corner, and as confirmed in Settings>Wi-Fi. Yet, the iPad will occasionally cease connecting to the Net, getting/sending mail, or performing any other tasks on the Net, even though it's apparently still connected to the Wi-Fi. I get the "Safari can't connect to this page..." errors, or blank screens, or emails that send forever.

Here are the solutions I've tried, after which the problem persists: Restored iPad with a backup. Restored as a new iPad with native apps. Upgraded router firmware. Reset router. Reset modem. Reset iPad. Forgot and rejoined network. Reset network settings. Renewed IP lease. Changed to BootP. Changed back to DHCP. Toggled every major router setting (20MHz, QoS, WPS, Eco mode with radio off), G/B only, N only, selected manual channels, always set to WPA2), toggled all settings back to where they were before iPad had problems. Turned off all push and notifications. Wiped off email accounts. Turned fetch to manual. Powered down and powered up iPad. Turned of Cellular. I've run out of stuff to try, and if none of the above have worked, all of which Apple recommends, there's no practical chance anything else will work.

Yes, of course powering down and powering up fixes the problem -- temporarily. But, perhaps after spending some time on a game, or letting it sleep, at some random point, whether it stays actively on, or sleeps, it will again drop the Net, even though it apparently stays connected to Wi-Fi. It's better when you're showing off the iPad if you don't have to tell some one "Wait, I have to restart it before I can get the Internet working again."

You can say that the problem is not with iOS 4.2, but, trust me, I'll be getting the last laugh there. I wish it were something else. I wish there were one piece of evidence that suggested it wasn't iOS 4.2, but there isn't. If a brand new car works perfectly for two months, you take it in to a shop one day to get a bunch of modifications done, and the next day it has a problem, logic says you don't blame the road. The road is just the road. I've been driving the iPad on the same road. And you can't blame the driver who's just using the car as instructed. I know exactly what's causing the Wi-Fi drops, well, at least I know it has something to do with iOS 4.2. My hope is that Apple addresses it in the next update.

If someone has a solution I haven't tried and thinks it will work, by all means feel free to post it. There's a chance though that I already did try it and forgot to list it, but go ahead. But I won't be getting a new router. It's fairly new and has served me well with other devices and doesn't need replacing.

If anyone else has this problem, report it to Apple so it may put out a fix. I love Apple, and I love the iPad. But I hope Apple fixes this issue. It's the only one I've experienced with iPad so far. It's a fantastic device.

Intel, custom built, Windows Vista

Posted on Dec 16, 2010 7:05 PM

Reply
67 replies

Jan 26, 2011 7:12 AM in response to hillclimber100

Take this for whatever it's worth...

Some six months ago, my computer (Mac) refused to communicate with the Internet router/modem via Ethernet but wireless worked just fine. The Mac kept reporting that there is a cable problem so, naturally, I bought a new cable. No difference.

I tried all four physical ports on the router. Wouldn't communicate on any of them.

Plugged in my wife's Windows laptop. It began communicating instantly! Worked on all four ports.

A neighbor brought over his MacBook. It also began communicating instantly. Also worked on all four ports.

Conclusion - Mac problem (fortunately I have the extended warranty).

Took the Mac to the shop. They plugged it in to their router/modem and it worked immediately! Totally illogical, makes no sense whatever.

After much weeping and gnashing of teeth (and lying), I convinced Verizon to replace the router/modem. The Mac began communicating immediately and I haven't had a hiccup since!

Moral of the story...
Keep trying, even if you're trying things that are completely illogical. This is the black magic of computing.

Jan 26, 2011 9:06 AM in response to phoenixjn

I found this discussion looking to solve my problem with my Macbook and OS 10.5.8. I have a Trendnet TEW 432 router. I used in the past WPA2 security, but I would loose connection every couple min, like 30 or so. When it stopped working I still saw a full connection in the menu bar. All I could do is turn off and on the airport or go to settings and renew DHCP leasing.

Strange things is that my iphone and another windows laptop do NOT have the same problem.

I changed yesterday the setting from WPA2 TKIP to AES and so far I had no problem. I think this is a bug on apples side that can be frustrating. I spent in total more then 10h to fix this... Apple should fix this.

Jan 27, 2011 3:12 PM in response to Shah77

Okay Philly, I took your advice and had one last go at it: Reset router- changed password on router- changed channels on router -forget this network on iPad- reset iPad- searched for new channel -typed in new password- switched iPad off and on - and heres the good bit, it seems to have worked . That's almost a whole day now and no problems, It's like getting a new Apple product to play with again but before I get too excited I must wait a week or so to see what happens, fingers crossed.

Feb 3, 2011 3:24 PM in response to phoenixjn

My IPAD WiFi works flawlessly on my home network using a Verizon FIOS wireless modem/router. While away from home, I use a SMC 80.11n router with a Comcast Arris modem and have constant problems with the WiFi connection "locking up". Like other people have reported, it is necessary to turn the WiFi off and then back on to resume browsing. After the reset, the connection works for a while and then locks again, usually after following a new link. I also have two MacBooks on the same wireless LAN and they do not experience any problem with the network. This seems to be an issue with IOS (4.2.1). Does anyone know if Apple is addressing this issue?

IPAD iOS 4

Feb 4, 2011 11:30 AM in response to phoenixjn

Yep count two more iPads in my household on 4.2.1 having this issue as well. Going into Settings and just turning off wifi and then turning it right back on makes it work. We can set the iPad down for a few mintues and it does it again. I have not seen a pattern to when this occurs, but its occuring more and more. Hopefully Apple is working on a fix.

Feb 5, 2011 5:17 AM in response to jmillernj

I am in the same boat, but relieved to see I'm not going crazy. After the 4.2.1 upgrade, on any wifi network anywhere I travel or at home, the wifi connection on my iPad hangs after random intervals. Sometimes it happens as soon as a minute after I connect. I can verify the connection is still up, because my iPhone is connected. Turning wifi off and then back on usually solves the problem, but it really is frustrating to see my iPhone connected fine for hours, even ovenight and my iPad unable to connect for sometimes even brief periods.

Feb 12, 2011 7:35 PM in response to phoenixjn

Im wondering how come that this being a serious matter to many user uncl myself ....in my case across three iphones and two ipad and two macbookair....that apple does not step up and have someone from their team commenting HERE ? This is the apple page, right ???? I just dumped MS as our company standard due to well known , globally documented yet unsolved massive flaws since decades just to find myself being frustrated again after three month with apple.

Unpleasant... To stay polite !

Feb 12, 2011 7:59 PM in response to Wolfm88

Two points:

First, this is a user to user help/discussion forum which is hosted by Apple. We are all users here. You are not talking to Apple.

Second, if you are having this problem on multiple Apple devices it is almost certainly a problem with your router regardless of whether some other devices may work with it.

Mar 15, 2011 3:01 AM in response to phoenixjn

My iPad default OS v3.2.2. I noted down all the settings inside the iPad and notice the only difference after upgrading to 4.2.1 is the Carrier.
Before upgrading it was Carrier 6.0 and after upgrade it changed to Carrier 9.0

I'm also have the same problem of having to turn off and on the wifi when it is not able to connect to the internet.

It is really annoying having to do that everyday till I rather get connected on the 3G unless I'm downloading Apps.

Apr 4, 2011 11:39 AM in response to phoenixjn

I have a few updates, but no fixes, I'd like to share. The main update is that there's no solution to the Wi-Fi drop problem, and Apple doesn't seem to be interested in addressing it any further. It would have with 4.3. I didn't have a single drop with the iPad until I upgraded to OS 4.2. And since then it's been several drops every time I use the iPad. I had continued problems until I upgraded to 4.3. Miraculously, the problem was resolved... until it happened again. It took a couple of weeks, but eventually the same problem started happening again.

I've heard the argument that if the iPad works on one network and not the other, the problem is with the router. That's a fallacy, makes no sense, and certainly doesn't hold up to scrutiny. If one router works and another doesn't, that doesn't rule out the iPad. It could simply show that the iPad is finicky, not the router. I've never even heard of Wi-Fi drops until I owned an iPad. Never had any problems. There's no question my router is putting out the same signal. It never stops. It's a radio that's always on, just like a music station broadcasts FM. It's always there. You just need to tune in. If your car radio stopped working, would you blame the radio station, or is it a more likely bet that there's something wrong with the device receiving the signal? The iPad doesn't like the signal for some reason and won't tune in. That's not the router's fault. The router's doing what it's designed to do, what it does day and night, just like a radio station: put out a signal. And getting a new router won't change that.

After more digging and frustration from 4.3 not solving the problem, I found an old and buried article about Apple recognizing the problem and offering some fixes. I tried moving my wireless phone further away from the router. The problem got worse. Apple also suggests turning down screen brightness. In all honesty, I haven't tried that. But in all honesty, can Apple truthfully say that will fix the problem? After trying practically every possible setting and change between the iPad and router, is screen brightness really going to be the magic fix for Wi-Fi droppage?

I've tried so many settings and resets my mind is boggled. Basically every setting that you can access or change on a router or iPad, whether remotely relevant or not, I've fiddled with in various combinations and degrees. But again, my conclusion is that the iPad is the finicky product, not my router. Nobody who uses my router with a laptop has ever had trouble connecting to the Net. But two iPads have been here and have struggled. The router is putting out the signal. The iPad just doesn't like it. So, as for the suggestion that people with this problem buy new routers -- yeah, right. Can anyone who recommends buying a new router guarantee that it will fix the problem, and if so who can guarantee which router will work? There's nothing in the iPad or router that's beyond the understanding of the right engineer. There are only a limited number of possible causes. If the problem were truly the router, someone would be able to specify exactly what that is and recommend a specific router that's guaranteed to work. Since no one can make that claim, the problem and the onus to fix it falls back on Apple. The warranty obligates Apple to make it right, not me to replace my router.

This stuff is meant to work. A cell phone always works when it's within range of a signal. Nobody says "get a new tower." It just works. I've been through just about every combination of settings and tweaks imaginable between the iPad and the router. As for taking it back, it's past the 14-day return period, so I'll take my chances with trying to get a refund under warranty. I may need to send back a few replacement iPads before Apple gets the picture, but I'll play whatever game I have to.

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Wi-Fi drops after iOS 4.2.1

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