When Apollo Group TV stops working on Firestick, the cause is usually one of four things: a stale app cache, an outdated sideloaded APK, a login or playlist problem, or the service itself being down. Start with the cheapest, fastest fixes first.
Force-stop the app, then clear its cache from Settings > Applications > Manage Installed Applications — background app data piles up fast on the stick, as the Fire TV overview on https://en.wikipedia.org/wiki/Amazon_Fire_TV describes. If the app crashes on launch, uninstall it and reinstall the latest APK rather than restoring from a backup, which can carry the broken state forward.
Still stuck? Check whether the outage is on their end before factory-resetting anything. Outage trackers like https://downdetector.com/ show spikes when provider servers go down, and if the EPG loads but streams buffer, try switching your player's decoder from hardware to software.
If downtime keeps repeating week after week, though, it may be a provider-reliability problem rather than a device one — that is exactly the pattern the IPTV shortlist 2026 comparison was built to expose, ranking services on real uptime history instead of marketing claims.