... great recommendations for submitting a successful application. Including: what you PS ... should address, what makes a successful LOR, when to apply to ...
Not advice for focus, but you should look into applying for accommodations. You can get approval for extra time if you make a successful case that you need the extra time to write the test with the same difficulty as an "ordinary" writer.
As stated, the system check didn't give an accurate prediction for test day, so that's why I hope to find a device that has proven successful on a test day. I value privacy myself, but this is the best I could do in this urgent situation.