Apple Inc has set the benchmark in mobile services. Every year Apple is making new history. The latest iPhone 3GS has grounded strongly in the market and iPhone lovers are running behind it. The ultra slick and sexy design make it eye-capturing devices while user-friendly functions make it easy-in-use. A iPhone, iPhone 3G or iPhone 3GS owner can put his/her favorite songs through iTunes, capture beautiful pictures while make a film of his/her pleasant moments.

Important contacts, calendars, notes, text messages, emails, and other data are already stored in iPhone memory. At present, iPhone allowing to save up to 32 GB (iPhone 3GS) of data in any format including- video, audio, text, images and various multimedia games. An iPhone 3GS can prove as a perfect partner when you are alone, fell boring, or in journey. In anytime and anywhere iPhone can fulfill your all entertainment requirements.

But sometimes due to various reasons iPhone may reply unexpected results. As we know major virus hit, software/hardware malfunctions, corrupt files system, read-write protections and such issues are responsible for showing irresponsible functions in Apple iPhone, iPhone 3G and iPhone 3GS. On every condition, the result becomes same i.e. inaccessible iPhone data and files and it is nearly to a data loss situation. That is why every iPhone owner recommended backing up his/her iPhone. It will prevent him to data loss situation.

But when your iPhone fails to boot up after multiple attempts you may have to restore it through iTunes and back up in remote place. Consider a situation in which you are trying to boot your iPhone while it showing only “Black Screen”. This issue many cause due to several reasons and few are already written above. On that situation, the iPhone backup may help you. When the situation will be normal and in your hand, you can restore the backup file to iPhone once again.

Step 1: Download the updated version iTunes and launch on your system before connect your iPhone with USB cable.

Step 2: After connecting your iPhone wait for few seconds till iTunes not show the iPhone.

Step 3: Press and hold “Home” button and “Sleep/Wake” button in your iPhone.

Step 4: After a few seconds, remove your finger from “Sleep/Weak” button while continue to press the “Home Button” only.

Step 5: Wait till your iTunes doesn’t pop up a dialog box. In dialog box iTunes will ask you to restore your iPhone. Your iPhone or iPhone 3G or iPhone 3GS is in recovery mode.

Step 6: Follow the steps in iTunes to restore your iPhone.

All the above activities will end up in few minutes. After OS upgrade you can restore your iPhone backup through iTunes and one again your iPhone will perform all tasks as performed earlier!