Fun tips of jailbreak iPhone 4S, downgrade iPhone firmware iOS 5.1.1, iPhone transfer, etc

As we know, the iOS 5.1 jailbreak has yet ready for iPhone 4S, iPad as well as the new iPad 3, so there is no way to enjoy perfect jialbreak iPhone, isn't it? No, now you can downgrade iphone firmware to iOS 5.0.1 with RedSn0w 0.9.11b2, then enjoy jailbreak iPhone if you want.
How to downgrade iphone firmware from iOS 5.1/iOS 5.1.1 to iOS 5.0.1
(First of all, please make sure you've backup iOS 5.0.1 SHSH.)

First, download RedSn0w 0.9.11b2(any Mac or Windows);
Second, download iOS 5.1.1 and iOS 5.0.1 for your iPhone or iPad;
Third, before downgrade iphone firmware , setting iPhone/iPad to DFU mode. Don't know how to do this? Don't worry, the program will guide you into that, step by step;
Fourth, run RedSn0w 0.9.11b2, make sure RedSn0w has detected your device and under the right DFU mode. Click Extras > Even more > Restore, choose iOS 5.0.1. After loading, RedSn0w will ask you to load iOS 5.1.1, just do it.
Fifth, after verified of iOS 5.1.1 and iOS 5.0.1, backup SHSH or you can choose 'Remote' to load it from Cydia server.
Sixth, after SHSH verified, you should do nothing but waiting RedSn0w to finish the downgrade auto.
Finally, you'll receive message of Restore successful. Just check out setting-general-about if you found the firmware is iOS 5.0.1, that means you successfully downgrade iphone firmware from iOS 5.1.1 to iOS 5.0.1.
People who get PS3 wireless Controller for PS3 just like people who get iPhone case, anyway, beside beautify iphone, we can do more, that's jailbreak iPhone, give you the freedom to use your iphone.
After we downgrade iphone/ipad firmware from iOS 5.1.1 to iOS 5.0.1, naturally, let's go jailbreak iphone.
How to jailbreak iPhone/iPad with iOS 5.0.1
1. Connect iphone 4s or ipad to computer and run RedSn0w 0.9.11b2;
2. Click 'jailbreak', go to your iphone 4s/ipad, you'll get a message for install a config file, click and install it, the program will directly start the jailbreak process;
3. Go Setting and open VPN, then iPhone jailbreak process will automatically running, all you need to do is have a coffee or tea for a rest.
Sometimes, you might get the tips of the VPN error, just miss it and wait for your iphone restart. Once jailbroken, you’re now able to install Cydia, you'll see Cydia on the SpringBoard:

After jailbroken, you can freely tranfer music video between iphone and computer, the most conveniently way is get help of iPad/iPhone/iPod to Computer Transfer.
Ways to transfer iPhone to computer with iPhone Transfer
Some esay ways to transfer music video from iphone/ipod/ipad to computer with iPhone Transfer
1.Download iPhone Transfer. Before you run the program, please be sure you have installed iTunes on computer, and you can manage your iphone/ipod device smoothly.
2.Launch the program and it will search the device automatically. If the device is enabled, the files (songs/movies/photos) will be shown in the list as below:

3.Choose the list and files you want to transfer iPhone to computer, Click the Export button. All you need to do is choose Export to Disk or iTunes.

Solution of iPhone/iPod can not connect to computer
When we connect iPhone/iPod to computer, sometimes you’ll found it works as follolw:

• The device does not appear in iTunes
• Device Can not be restore in iTunes
• Beside "Device Manager" is Exclamation mark

Re-install (or sometimes updated) Apple Mobile Device driver may resolve this issue.
Find out Apple Mobile Device driver in "Device Manager":

When you see "X" means that the device has been disabled. Just right-click and 'Enable' it as well as update it.

How to Re-install Apple Mobile Device driver?
Right click to uninstall Apple Mobile Device driver, then scan for hardware changes. Then get re-install.