Apple Toolbox

Some users have reported shorter battery life from MacBooks and MacBook Pros after the update to Mac OS X 10.6.6. Fixes Reset SMC. Some users have reported that resetting the Mac’s SMC (system management controller) at least temporarily resolves this issue. Calibrate. Note that new batteries may need to be calibrated before they will hold a [...]

As previously reported, 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. In addition to our previous roundup of fixes for this issue, it now appears that updating wireless router firmware can have a dramatic beneficial effect on iPhone or iPod touch [...]

After each iOS update, a small portion of users reported dramatically reduced battery life. There are a variety of causes for this issue, and a corresponding long list of fixes, including disabling location services, checking Internet tethering, deleting problematic apps, turning off Push, calibrating the battery, closing extraneous Safari windows, and restoring. Several users have now reported success with [...]

Several users have reported poor battery life after the update to iOS 4.0.1, on both iPhone and iPod touch models. Fixes Disable/check location services. Overactive location services usage can result in poor battery life. Specifically, apps that use location services in the background can quickly drain the battery. To check location services usage on an [...]

A number of users have reported reduced battery on iPhones and iPod touches after updating to iOS 4.0.1. These reports crop up after virtually every iOS update, and the problem can generally be resolved by running through the first 3 procedures in the 4 Rs: 1. Reboot (hard reset). Hold down the sleep/wake and home buttons simultaneously [...]

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

We previously noted that 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. We previously  noted a number of fixes for short battery life, including removal of problematic apps, turning off Push, closing extraneous Safari windows and more. It now appears that [...]

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 [...]