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Several users have reported that all or some of their contacts disappeared after iOS update. If you consistently encounter this issue, try the following steps to resolve your issue. Here is how to recover lost contacts on an iPhone: Note: Before trying these tips, please upgrade your iPhone to the latest iOS firmware. iCloud iCloud stores [...]

Apple today announced that iOS 4.1, due next week, will fix a number of significant issues that have affected users of iOS 4. These include: Bluetooth: an issue in which Bluetooth devices that worked well with previous iPhone models delivered muffled or muddy sound when paired with the iPhone 4. Users experiencing this issue report [...]

Anecdotal evidence suggests that the third beta of iOS 4.1, which was recently released to developers but is not yet publicly available, significantly enhances the performance of the iPhone 3G, which was slowed significantly for many users after the initial update to iOS 4.0. Several developers who have updated to iOS 4.1 beta 3 report [...]

Several iPhone 3G users have experienced a significant slowdown, including slow app launching, delayed reactions to taps, and generally poor interface responsiveness, after the iOS 4.0.x update. We previously noted a few fixes for this issue (performing a hard reset, restoring but not from backup and closing extraneous Safari windows) with which users have experienced some [...]

Although most readers have reported that iOS 4.0.1 simply modifies the display of signal bars (as intended), some have reported an increase in the incidence of dropped calls, particularly on iPhone 3G and iPhone 3GS models. While the new update includes a modem software update (which theoretically could result in a change in actual signal [...]

UPDATE: iOS 4.0.1 Resolves iPhone 4 Proximity Sensor Issue for Many Users Error 9 and Other Problems Updating iPhones to iOS 4.0.1 iOS 4.0.1 Fixes Microsoft Exchange Issues —– Apple has released iOS 4.0.1 for the iPhone 3G, iPhone 3GS and iPhone 4, and iOS 3.2.1 for the iPad. Release notes for iOS 4.0.1 state [...]

As previously reported, a number of iPhone 3G users have experienced a significant degradation in performance after the iOS 4.0 update. iPhone 3GS users generally report across-the-board performance improvements with the new update, but original iPhone 3G users have reported slow app launching, delayed reactions to taps, and generally poor interface responsiveness. Anecdotal evidence from a number [...]

Problems (and fixes): Shortened Battery Life Mail Stalls on “Checking for Mail”; Cannot Receive or Send Mail iPhone 3G Slowness Error 29 When Updating No 3G, EDGE or MMS Service iPod App on iPhone Crashes iPhone Reboots/Resets During Phone Calls No Wi-Fi Update Stuck on Backup or Extremely Slow Sync Errors

A number of iPhone 3G users have experienced a significant degradation in performance after the iOS 4.0 update. iPhone 3GS users generally report across-the-board performance improvements with the new update, but original iPhone 3G users have reported slow app launching, delayed reactions to taps, and generally poor interface responsiveness. Fixes Perform a “hard reset.” Hold down the [...]

Although many iPhone users experience better battery life after the iOS 4.0 update, a number of users have reported decreased battery life after updating. A sampling of reports from Apple’s Discussion boards: shafeen: “Losing about 1% battery life every few minutes.” Graham Powell1: “Upgraded 3G last night and bettery useage is through the roof. Getting less [...]