Updating jailbroken iphone 3g to 2 2
These numbers (or codes) work on most GSM capable phones, and the i Phone is no exception.
You must tap dial after each number (unless specified differently in the description).
mailto://EMAIL_ADDRESS will launch the mail program to compose a message to EMAIL_ADDRESS.
On the i Phone you can enter special phone numbers to access special features or information.
Step 4: Typically, the Ultra Sn0w repo is included with Cydia.
If not, tap the Edit button followed by the Add button and you will be prompted to add a URL source. Step 5: Cydia will automatically refresh and update sources. Tap the Search tab on the bottom tab bar and search for Ultra Sn0w.
Note that this ability is similar to the assisted GPS feature of the i Phone 3G and i Phone 3GS, with the difference in that turning ON Location Services lets i Phone and its applications use this tracking info immediately (less than 10 seconds).
If a number you called is actually forwarded to another number, this feature allows you to see the actual number you got forwarded to.As for the frequency you are using, use the following guide to match your ARFCN (Absolute Radio Frequency Channel Number): "Network Operating Mode", if it is NOM 001 then Voice has higher priority (Class A), while NOM 002 indicates Data has a higher priority than Voice (Class B). Note that this Field Test Mode was disabled in i OS 4.0, and re-enabled in i OS 4.2.1.However, many of field test features listed are no longer available unless you use an earlier version of the firmware, or re-enable via homebrew.The closer this number is to 0, the stronger the cell signal (or the closer you are to a tower).
The Field Test entries under categories on this page are: "Neighboring Cells" you can see how many cell towers or relays are visible to your i Phone while using GSM (2G).Changing SIM card, you can be tracked by cellphone used.