Determining the iPhone firmware, besides the usual curiosity, is necessary to perform jailbreak and unlock operations, which increase the device's performance. It is necessary to distinguish between the firmware or IOS (operating system of the device) and the firmware of the iPhone modem. For practical purposes, it is the firmware of the modem that is of interest.
Instructions
Step 1
Turn on iPhone by pressing the Home button (the round button in the center of the bottom of the device).
Step 2
Go to the "Settings" section (the cogwheel icon) on the first page of the device.
Step 3
Select the "General" section in the third paragraph of the list of available settings.
Step 4
Follow the link "About device" in the selected section "General".
Step 5
Scroll down the page until the line "Modem Firmware" appears.
Step 6
Use the following method to determine the firmware version of the device modem for earlier versions of the tethered iPhone.
Step 7
Turn on the device by pressing the Home button.
Step 8
Wait for the message to activate the iPhone and the Slide for emergency call strip.
Step 9
Open the emergency call keypad by dragging the arrow from left to right.
Step 10
Dial * 3001 # 12345 # * on the keyboard and press the Call button to confirm the command.
Step 11
Find the line with the Versions value in the menu that appears and click on it.
Step 12
Use the following values to determine the device firmware version: - 04.04.05 - iPhone modem firmware version 1.1.4;
- 04.03.xxxxx - iPhone modem firmware version 1.1.3;
- 04.02.xxxxx - iPhone modem firmware version 1.1.2;
- 04.01.xxxxx - iPhone modem firmware version 1.1.1;
- 03.xxxx - iPhone modem firmware version 1.0.2;
- 04.05.04 - firmware version of the iPhone 2.0 modem;
- 02.28.00 - firmware version of the iPhone 2.2 modem;
- 02.30.03 - firmware version of the iPhone modem 2.2.1;
- 04.26.08 - firmware version of the iPhone 3.0 modem.
Step 13
Use the serial number on the box of your device or on your iPhone to identify the week of manufacture for that device (for early iPhones). In this case, only 4 and 5 digits of the number are taken into account: - up to 38 - 1.0.2;
- 39-50 / 50 - 1.0.2 or 1.1.1;
- 40-44 - 1.1.1;
- 45-50 / 50 - 1.1.1 or 1.1.2;
- 46 - 5x - 1.1.2;
- 01 - 1.1.3.
