Hard reset iPhone 13 Pro Max gives an error

"Hard reset iPhone 13 Pro Max gives an error: I tried hard resetting an iPhone 13 Pro Max via Apple devices on windows PC . On the final stage there’s a picture saying iPhone could not be restored, an unknown error occurred and the iPhone is stuck on the line that is not progressing"

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Fixing a Boot Loop:

Your iPhone can at times be stuck in a Boot Loop. This typically occurs when you go abuut installing an update or reset, and it stalled while in the process. Use my User Tip:: How to Fix an iPhone in a Boot Loop - User Tip

"I want to erase my data completely so in step 5 have I to choose restore or update?"

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Restore:

You need to complete the update, and then perform the restore: Restore your iPhone, iPad, or iPod to factory Settings Using a Computer - Apple Support