How to check if T-Mobile Samsung Galaxy S Vibrant is locked

To check whether the phone is locked:

• Power on Samsung Galaxy S T-Mobile Vibrant
• Go to phone and enter *#7465625#. If the Personalizatiob Status says the network lock is OFF, Congratulations, you phone is already unlocked and ready to be used with other carriers.

To relocked the phone (for warranty service):

• Remove sim card
• Power on Samsung Galaxy S Vibrant for T-Mobile
• Enter *7465625*638# and relock the phone to another network

10 Things that you do not know about the iPhone and iPad

I came across the very detailed article about various aspects of Apple's iPhones. May be you can learn one thing or two as well.

iPhone Secrets

 

 

How to Fix iTunes restore error 1004 1013 1015

This happens when one downgrade the baseband to a lower version in DFU mode or recovery mode.

You may use tinyUmbrella to "kick the device out of recovery" after the error. If the device is iPhone 3GS on version 4.2.1 or above, you will need to use tinyUmbrella to "fix recovery" instead.

How to Fix iTunes restore error 1600 1604

If you attempt to restore from a custom firmware in DFU mode and the device was not pwned, you may run into the error. You may also run into this error when restoring from a corrupted firmware file.

You will need to use one of the following tools to enter a pwned DFU-mode. Please note that pwned DFU-mode is different from DFU mode, there are additional patches being uploaded to the iOS device to allow custom firmware restore. 

The tools are:

• iReb (for version 3.1.2 and below)
• Snowbreeze
• Redsn0w
• Pwnage Tool

 

Note:

• Turn off tinyUmbrella during restore, experiments show that it may cause problems.
• The phone must be powered off when start running the tool. If the phone is already in DFU mode when running the tools above, it may not work either.

 

Good luck!

How to Fix the error This device isn't eligible for the requested build when restoring iPhone in iTunes

 Sometimes when you restore to the latest version of iPhone firmware, it iTunes may prompt with the error "This device isn't eligible for the requested build" and the restore fails afterward. You may try the following steps in order to get past the error

For PC:

1. Open the hosts file located in the folder below:

Windows 95 - C:windows
Windows 98 - C:\windows
Windows Me - C:\windows
Windows 2000 - C:windows\system32\drivers\etc
Windows XP - C:\windows\system32\drivers\etc
Windows NT - C:\winnt\system32\drivers\etc
Windows Vista - C:\windows\system32\drivers\etc 

2. Remove any line that has gs.apple.com in it

3. Save and close

4. Open the command console

5. Type ipconfig/flushdns

6. Restart iTunes

For Mac:

1. Type the terminal in spotlight and start the Terminal app

2. Type sudo vi /private/etc/hosts in Terminal

3. Remove any line that has gs.apple.com in it

4. Save and close by typing :wq! 

5. Type dscacheutil -flushcache

6. Restart iTunes

Now try restore again and it should work for you error free.