Is your phone/tablet is not connected a computer

1. Go to Settings > General > About on the Home Screen.

2. Your firmware version will appear on the screen.

If your phone/tablet is connected to a computer

1. Download and install the latest version of iTunes - http://www.apple.com/itunes/download/-.

2. Run iTunes, connect the device and wait for it to appear at the top right in iTunes window.

3. Choose your device.

4. Fin the firmware version in Summary or Settings tab depending on your device.

 

iPhone firmware versions

 

standard of comparison

iPhone

iPhone 3G

iPhone 3GS

iPhone 4

iPhone 4S

iPhone 5

iPhone 5C

iPhone 5S

iPhone 6

the highest iOS possible

 1.0 2.0 3.0

 4.0
(GSM model)

4.2.5
(CDMA model)

6.0
(GSM model, Rev A)

5.0 6.0  7.0 7.0 8.0

 

the lowest iOS possible

 

3.1.3  4.2.1  6.1.3 7.1.2 8.4 8.4 8.4 8.4 8.4


 

iPad firmware versions

standard of comparison

iPad 1G

iPad 2

iPad 2 Wi-Fi

iPad 3

iPad 4

iPad Air

iPad mini 1G

iPad mini 2G

iPad mini 3G

the lowest iOS possible

 3.2 4.3 5.1

 5.1

6.0
(Wi-Fi model)

6.0.1
(other models)

7.1
(TD-LTE models)

7.0.3
(остальные модели)

6.0
(Wi-Fi модель)

6.0.1
(other models)

7.1
(TD-LTE models)

7.0.3
(other models)

 
 8.0

the highest iOS possible

5.1.1  8.4 8.4 8.4 
8.4 8.4 8.4 8.4  8.4

 

iPod touch firmware versions

standard of comparison

iPod touch 1G

iPod touch 2G

iPod touch 3G

iPod touch 4G

iPod touch 5G

 

the lowest iOS possible

 

 1.1 2.1.1 3.1.1

 4.1

6.0

 

the highest iOS possible

 

3.1.3  4.2.1  5.1.1 6.1.6 8.4 




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