Hi there, hewyp06.

Welcome to the QuickBooks Community. I can see that things have been challenging for you about being unable to login into your QuickBooks Self Employed account. With this, I'll be sharing troubleshooting details to ensure you can log in to your QBSE account smoothly. Before that, let me provide clarification about the steps shared above about using standard web browser. 

Sometimes you're having trouble signing into your account due to different reasons. With this, if you forget your sign-in info and that is why you cannot get into your account, you can try entering your phone number. Then, Intuit will text you a one-time code to access your account.

If the issue continues to occur, you can open this article to see further details on how you can perform another step to fix the issue: Get help if you can't sign in to your QuickBooks Online account.

On the other hand, if you're unable to log in to your QBSE account via the app, yes, you'll have to use the web browser mentioned above to log in to your account. This allows you to operate and continue working on your company data. Also, contact our support if needed to investigate the cause of why you can't to log in your account using an app or browser.

Additionally, you can utilize our QBSE test drive and you'll be directly routed to the QBSE account without entering your email address and password so you can reach our support.

Lastly, you may refer to this article to view various information on how QBSE is designed to help you record your self-employed income and expenses, track mileage, and prepare your Schedule C: QuickBooks Self-Employed Overview.

Please don't hesitate to click the Reply button below if you have other concerns about logging into your QBSE account. I'm always here to help, hewyp06. Have a great day!