The firmware of a mobile phone is a kind of operating system, the principle of operation resembles the one installed on a computer. Phone manufacturers periodically release firmware updates to improve the menu interface and fix various bugs. You can find out the firmware version on each phone differently.
Instructions
Step 1
To find out the firmware version of your Alcatel phone, enter * # 06 # on the keyboard
Step 2
In Apple Iphone, the installed firmware version can be viewed if you go to the "Settings" - "General" - "About device" menu. The firmware number will appear opposite the "Version" field.
Step 3
The firmware version of the Fly phone and some other Chinese phones can be found out using the command * # 18375 #
Step 4
For LG mobile phones, dial 2945 # * # or 8060 # * on the keyboard
Step 5
In Motorola phones, you can find out the firmware with the command * # 9999 #
Step 6
For Nokia phones, dial * # 0000 # on the keyboard
Step 7
Philips phone manufacturers recommend using the command * # 8375 # to identify the firmware
Step 8
To find out the Samsung firmware number enter * # 1234 # or * # 9999 #