For anyone sideloading with Sideloadly, a few things that made the process reliable for me: use a spare Apple ID rather than your main one, since free accounts need the app re-signed every 7 days. Turn on automatic refresh over Wi-Fi so the certificate does not expire unexpectedly. If an install fails, try switching between Normal Install and Apple ID Sideload in the advanced options. After installing, remember to trust the developer certificate under Settings, General, then VPN and Device Management before launching. If the app crashes immediately on launch, it is usually an expired or revoked certificate, and re-signing fixes it. Full disclosure: I run daltaaxecutor.com, a site with Delta Executor guides, so I deal with sideloaded IPAs a lot. These steps apply to any sideloaded app, not just executors.
