@MorelloCherry NowTV have acknowledged the problem, and are working on a fix. In the meantime, if you do a software update on the affected device, if should roll back to a stable version.
Please let us know if it works.
please perform a software update on your Roku device. This should roll your device back to the previous version of the app. 'Now', for the time being, have taken the decision to roll back to the earlier version of the app on devices where people are having issues
Do this by going to
settings > system > system update
Hope this helps😀
Same for me, I have even gone through the steps to update my Roku this evening...and still getting the same Sorry, temporarily unavailable. Tomorrow it will have been 3 weeks since I was able to use the Now App on my Roku, I have now cancelled my monthly payment. Hope you have better luck.