I have iPhone 6S Plus A1687 128 Gb Gold ...
i have last version from iTunes&3utools
i tried to download iOS 12.4 & 12.4.1 from 3utools but after the download finished and the verifying started ... a message appears in red ... failed!!
and when i try to import the soft to 3utools and after verifying finished again another message tell me the Current MD5 and the correct is deferent
Knowing that before i downloaded the software from 3utools and ispw and more sites ...
It was written in the details of the frimware that it is the required MD5 but after the download appeared that it is different!!!
[[ Sorry for my Google language
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