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Question: how to know if iphone 8 plus ipsw gsm or global? Model number is A1897. I need help please

Hello,


I forgot my iPhone 8 plus passcode, so I'm trying to restore and update it. I need to download an IPSW file but there's two types: GSW and Global. I don't know which one to download. My phone is model A1897. Please, I really need help.


My device is iPhone 8 plus running iOS11.0.3

iPhone 8 Plus, iOS 11.0.3

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Nov 11, 2017 6:23 AM in response to Leel_1999 In response to Leel_1999

Disable or remove any antivirus or firewall software you have installed on your computer. It can interfere with the authentication process with Apple's servers.

The ONLY legitimate place to get iOS firmware is via iTunes.

Nov 11, 2017 6:23 AM

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Question: how to know if iphone 8 plus ipsw gsm or global? Model number is A1897. I need help please