Can't sync pc to ios (please help)

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Description of the issue:
my old laptops motherboard died last week and so I got a new laptop luckily before my laptop died I synced my bookmarks to my iPhone, now with my new laptop I’ve tried to sync it multiple times and it doesn’t work like my book marks & history don’t show up, it says its synced but nothing is showing up like on 'devices synced ’ it doesn’t show my phone.
How can this issue be reproduced?

Expected result:

Brave Version( check About Brave):

Version 1.31.91 Chromium: 95.0.4638.69 (Official Build) (64-bit)

Mobile Device details
iPhone 11 with brave app
Additional Information: