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How to Install IPSW (FW) File on iPhone 12 Pro Max
Windows
first of all, you need a Computer and an iPhone USB Data Cable
- Download the iPhone 12 Pro Max File Download And install the Latest iTunes on your Computer
- it should noted that there are two bits used in the computer 32/64, you have to download iTunes according to the bit of your computer
- put your phone in iTunes or Recovery mode and connect it to the Computer
- now open iTunes, Press the Shift Key, And select Update and Restore here you have to choose the file
- which you have downloaded for our iPhone