Well, we all know about the antenna problem that plagued the first batch of Apple’s iPhone 4. This has somewhat mysteriously resolved itself as users are not reporting this issue in the number that they where in the beginning. I was recently made aware of another issue that hit home the other day with my own iPhone 4. The problem deals with the iPhone iphone microphone not working when trying to make and receive calls. Essentially you can hear people who call you but they can’t hear you unless, in few case, you switch to speaker mode or Facetime. This has been drawing a few discussion threads on Apple’s site as well as some other places ( Thread 2476464 ).

I wound up taking my iPhone 4 back to the Apple store and described the problem. After a quick physical (external, not software) examination of my phone the Apple Genius without asking detailed information began prepping a new iPhone 4. As she was doing this I asked her if this is a typical problem, to which she responded that three with these exact symptoms came in during the past month. Not a cause for alarm but interesting. The situation was resolved by replacing my existing phone with a new one. All is well.

If you are experiencing these issues and you want to make try troubleshooting before hitting the Genius Bar here are some tips:

  1. Check if anything is plugged into the headset port that might be using the speaker like headsets, headphones, or adaptors.
  2. Make sure your mute is disabled when talking.
  3. If you are paired with a nearby Bluetooth headset that either you use the headset or that headset is turned off. Go to Settings > General > Bluethooth.
  4. Try restarting your phone by holding the Sleep/Wake button until the “slide to power off.
  5. If restarting the iPhone doesn’t resolve the issue, you might have to perform a restoring a device.

iLearn by Mac Users Guide

Performing a iPhone Restore

Backing up your iPhone, iPad, or iPod touch is done each time you connect it to iTunes. With iTunes you can:

  • Sync with iTunes – backing up every time you connect it to your Mac.
  • Update in iTunes – Updates for your iPhone or iPod occurs automatically without prompting.
  • Restore in iTunes – Refreshes you iPhone back to factory settings.

iTunes backs up most of your device’s settings; however downloaded applications, personal audio, video, and photo content are not included in the backup. When you restore from an iTunes backup your device settings and content will be re-sync to the device only if you check the “Sync” option under each tabs will be checked prompting iTunes to include that content from the backup. If you are syncing for the fist time your applications, audio, video, and photo content will not be synced until you select the “Sync” option in iTunes under each tab.

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