Unlocking The Mystery: Spectrum Code STLP-999

In this tutorial video, i will quickly guide you onhow to fix spectrum app error code stlp 999 so, make sure to watch this video till the end. If you have a. The 999 error is a kind of generic error for our spectrum tv app. Usually it winds up being an authentication issue, so if you reboot the modem and router, that should correct. Is anyone else having problems with the spectrum app on their samsung smart tv?

I use the spectrum app. These methods work on ios 11 as well as ios 12, ios.