itunes will back up your apps when you sync your iPhone if the computer is authorized (store-authorize computer in itunes).
If you just recently got a new iPhone 4, connect it to iTunes and iTunes will identify it as a new phone. If you have previously synced your iPhone 3G with that computer before, then iTunes should give you the option to sync the new iPhone with a backup from your latest iPhone 3G sync. When you do that, your files from your 3G will be transferred to your iPhone 4. Hope that helps :)
To sync your contacts back to your iPhone using MobiKin Assistant for iOS, follow these steps: Install MobiKin Assistant for iOS on your computer. Connect your iPhone to the computer via USB and trust the computer. Open MobiKin Assistant and select “Contacts.” Import contacts from your computer to your iPhone using the “Import” option. Check your iPhone to confirm the contacts are synced.
Yes, when you use MobiKin Assistant for iOS, your iPhone contacts can be synced to your computer. Here's how it works: Launch MobiKin Assistant for iOS and connect your iPhone via USB. Once detected, go to the "Contacts" tab. Preview, select, and click "Export" to back up contacts to your PC or Mac. This syncs your iPhone contacts to your computer for safe backup, management, or transfer—without relying on iCloud or iTunes.
To sync your iPhone to a different computer without losing pictures or contacts, use MobiKin Assistant for iOS: Install and launch MobiKin Assistant for iOS on the new computer. Connect your iPhone via USB and trust the computer on your device. The software will detect your iPhone and display all data types. Select Photos and Contacts (or any other data you want to sync). Click Export to back up your files to the new computer, or Import to add data without erasing existing content. This method ensures your iPhone data stays intact while syncing with a new computer.
you can not reverse the sync
When you connect it to your computer and open iTunes then click on sync if your handset does not do it automatically. In the latest version of the operating software, the handset no longer requires to be connected to a computer for back up and syncing. Go into the settings and ensure that the backup and sync is active.
You can sync your iPhone to iTunes to transport music, pictures, videos, etc.
You can sync your iPhone to the Nook app including your bookmarks and other pages.
iTunes will backup everything on the iPhone, including SMS messages and contacts. You can do this in iTunes with the iPhone selected on the left, then click the Info tab and make sure Contact syncing is enabled.
Yes, you can restore your iPhone without syncing it with iTunes by using MobiKin Doctor for iOS. This tool allows you to extract backup files directly from iCloud, so you don’t need to rely on iTunes for the restoration process.
You can but you will be charged for all repairs and it will no longer be jailbroken when you receive it back. It will be returned back to you in the way it came straight from the factory. For the specialist, it is easy to repair it.