Let's get the transactions uploaded, Will6.
Good job for manually updating the bank account. It's the first step we need to do if transactions won't download. We can try a few steps more.
First, log in to your financial institution's website. This way, we can check if there are bank updates or maintenance which hindered the transactions to download.
Next, if you've made some changes on your financial institution's website, make sure to update the bank info in QuickBooks Online.
Lastly, check if you're encountering a specific error message. You can check the fixes on each error in this article (Step 3): What to do if bank transactions won’t download.
You can always keep in touch with us if you need more help.