Enable [Cellular Data Network] GPRS/EDGE/APN Settings In Jailbroken iPhone 4 on iOS 4.1 [How to Guide]

Breaking News for All who want to Enable APN editing [ Cellular data Network] on your Jailbroken iPhone 4 on iOS 4.1 . it is some simple Steps you can follow it Step by Step to do that and it is Tested 100% and we Joined the internet Over iPhone 4 EDGE/3G Okay Let`s Start

Step 1: Go to Cydia and Search For [Supreme Preferences 3.0] and Download it
 Step 2: Go to WinterBoard
Step 3: Press on Select Themes
Step 4: Select [ Supreme Preferences 3.0 ]
Step 5: Go To Setting > and select [ Supreme Preferences 3.0 ]
Step 6: Select Applications
Step 7: Select Phone
Step 8: Change Cellular Data Editing to [ ON ]
Step 9:Now Cellular Data Network Appears and you can Join it [ Press On it ]
Step 10: Now you Can Change your APN Setting as you Like [ You Can See ]
Now you can join “Settings > General > Network > Cellular Data Network”
Note : it is Tested 100% but if you change the Sim Card you must Repeat Steps from Step 5 .