reported that some users were facing Wi-Fi connectivity issues after upgrading to iOS 5 or iOS 5.0.1.

Based on this
, it seems to be affecting iPhone 4
, iPhone 4S, iPhone 3GS, the iPads and even iPod touch users.
This is not the first time iOS device users are facing Wi-Fi connectivity issues after upgrading to the latest iOS 5/iOS 5.0.1 software update. Users have reported similar issues with Wi-Fi connectivity after upgrading to iOS 3.x (more…)

According to ReadWriteWeb,
.
As RWW points out, when iPad 1 was launched last year, users had reported similar
but this time it looks like it is also affecting iPhone users.
After updating my iPad to iOS version 4.3.3, I discovered this problem had again resurfaced, but it was even worse than before. My connection wouldn’t just drop after the iPad went to sleep, as it had in the past, it would lose the connection when I was actively using (more…)

, unofficial custom bundles, Universal Ramdisk Fixes and tetheredboot utility.
tools are released.
As always, I give my standard warning not to update and wait for the jailbreak release. This time, I am giving some extra caution, however.
With 4.3 comes apple ’s implementation of address space layout randomization (ASLR). In short, this will mess up the way mobile substrate works. You will need a new mobile substrate in order to use your favorite (more…)

. The feature let users organize the apps on their homescreen into folders for quick and easy access.
While this feature is without doubt very useful, a number of users have complained all along about a bug that causes folders to ”
“.
According to these users, folders ocassionally get deleted resulting in the applications cluttering the homescreen once again. The root cause for this bug is yet to be determined though users have noted that the (more…)

.
The problem is compounded by the fact that there are actually two different issues affecting the same feature.
The first bug, and the more serious of the two is that calendar events that are created by users or the ones they have accepted disappear from the iPhone for no apparent reason. This means that users relying on ActiveSync could end up missing meetings, conference calls etc. The weird thing about this is that these events are still (more…)

In a blog post,
This time of year there are lots of new iPhone owners, and not everybody knows that accepting new iOS updates is the surest way to lose your jailbreak and/or unlock. While those of you who have Cydia or TinyUmbrella backups of your FW hashes will always be able to get back to 4.0.1 if you make this mistake, this doesn’t hold for unlockers. There’s currently no known way to revert your baseband — if you update your baseband (more…)

The most common criticism is that the phone is slow after an upgrade. There are also many complaints that the phone drains the battery quickly and becomes excessively hot. Concern about general problems such as slowness and battery life on gadgets isn't unusual, but using iOS 4 on the iPhone 3G seems to make the problems so bad that the phone is nearly unusable for some people.
for iPhone 3G due to hardware limitations so it was disappointing (more…)

WARNING! At 10.30AM PST on February 2nd 2010 Apple released the 3.1.3 version (7E18) of the iPhoneOS.
If you care about your jailbreak and unlock, don’t update your device – 3G and 3G(S) owners should pay particular attention to this warning.
PwnageTool and redsn0w are not yet compatible with 3.1.3
There is no estimated release time for compatible tools (please don’t bug us about this).
It also looks like iPhone OS 3.1.3 also updates the (more…)

WARNING! At 10.20AM PDT on October 8th 2009 Apple released the 3.1.2 version (7D11) of the iPhoneOS.
If you care about your jailbreak and unlock, don’t update your device – 3G and 3G(S) owners should pay particular attention to this warning.
PwnageTool and redsn0w are not yet compatible with 3.1.2
There is no estimated release time for compatible tools (please don’t bug us about this).
for Mac to allow iPhone 2G,
to upgrade to iPhone (more…)

Please note that this is meant only for iPhone 3GS users who have accidentally upgraded to iPhone OS 3.1.
warning iPhone users who have jailbroken or unlocked their iPhone to avoid upgrading to iPhone OS 3.1
.
If you want to come back to the world of the jailbreak (but NOT the sim unlock, sorry!) then saurik’s new “on file” server may be able to help.
so do check it out.
there’s no guarantee that your 3.0 signed files were captured (more…)