I sent you a PM with the requested information. Please keep me up to date on whether or not you have figured out what is causing this problem and how Samsung is rectifying this. Thanks.
You generally do not need the phone to accesd your two factor authentication token if it's similar with Authy, Zoho, Authenticator, etc.
You just install the app on another device and log in either with your email, phone, or samsung secure pass, or android smart lock.
I experienced the same issue today with my Samsung 10e which I purchased on May 18, 2019 (and therefore my phone is <1 month old). It was fine first thing in the morning, I had been busy most of the rest of the morning and when I tried to use my phone (it had not been charging, just sitting on a counter), I couldn't log in because the fingerprint sensor wouldn't work...which I thought was weird, and then I noticed the phone was very hot. I could log in with my PIN, saw the battery life had drained down to 30% which was unusual in the short history that I've had the phone, the battery doesn't usually drain that fast with non-use. I therefore closed all my apps, rebooted my phone, and still, the fingerprint sensor wouldn't work, nor would my camera work (just had a white screen when I tried to use the camera). I decided to let the phone cool off, so I powered it down, placed it on a charger and left it there for 1.5 hrs. It would not power on after that. I tried all the suggestions on this forum and other websites with holding down the volume up/power button simultaneously for 45 seconds, still no sign of life. Therefore we took it into TMobile where we bought it and they couldn't get it to respond either, therefore they have submitted it to be repaired under warranty, but it will take 3-5 days to get the phone to be shipped, which is a huge inconvenience because my work Two-Factor Authentication soft token is on the phone and that impacts my ability to log in to the system remotely as well as do vital parts of my job.
In reading these threads, I see this is a very common problem--- Samsung needs to figure this problem out. To say it was a glitch with the first phones is a bit outdated now as this model has been out for months... there is likely something more serious than just a software glitch. I've been a loyal Samsung customer for over a decade (with many products- cell phone, TV's) ...I really hope they figure this out...if not, I will jump ship to another phone manufacturer.
@userYv767mYw47 Have you tried all of the suggestions here: https://www.samsung.com/us/support/answer/ANS00076952/
Does the occur when the phone is in use, on the charger or when it is sitting idle?
I bought new S10 for thanks giving for 1000$, my phone is getting overheated qith in 15 minutes and my battery is getting drained too fast. Am really getting disappointed coz it's been just 2 weeks that I started using this phone. Please help . I feel like disheartened.