Did BIOS update Now Windows UEFI doesn't work

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Gigabyte AB350-GAMING 3 (Socket AM4/B350/DDR4/S-ATA 600/ATX)
AMD Ryzen 5 1600 Desktop CPU - AM4
ASUS GeForce DUAL-GTX1060-O6G 6 GB Graphics Card
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Samsung 850 EVO 500 GB 2.5 inch Solid State Drive
Western Digital WD10EZEX 1 TB PC Hard Drive

As the title says I have tried to upgrade my bios and in doing so somehow messed up my Windows Boot whereas I also have linux and is fine Linux is fine.

This happens on both a USB with Windows 10 copy and my SSD partition.

When both the USB & W10 Partition load up I see the windows Logo for a fraction of a second and goes into reboot. Can't even get advanced settings or safe mode

I am currently using GRUB bootloader or EFI partition and think that is could be the cause but not sure of any workarounds or any idea if that's correct.

It really doesn't like the Windows BOOT and when I flashed using Rufus I used both MBR & GPT. Same issue just see the windows logo and reboots

I was also thinking about either re-flashing to the working F10 or force the backup BIOS chip to do it's thing but I don't want to do anything without thinking

I have checked all of the notes on the Gigabyte website so I was aware which ones I could skip and prior install notes however I didn't want to skip a full 10 version so went for F20

To replicate what I did I first Flashed from BIOS Version F8 -> F10 & that was fine

But when I Flashed from BIOS Version F10 -> F20 that's when it stopped working

Also I decided maybe it was a bad flash so I updated to F21 with no change

Does anyone know what the best course of action for resolving something like this is?
 
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