I have been having this issue for the past 2 weeks on my iphone (6s+ IOS11.2.5) and my wifes iphone (6+ IOS11.2.1), both running the latest meshare app, and latest carrier update. The Meshare app will take a very long time to log in, occasionally timing out and has me try to log in again. Sometimes it will get through only to have the app crash when trying to look at alerts or live video. Issue happens on both Cellular (Tmobile) and Wifi (AT&T). I have restarted my home router as well as rebooted the zmodo camera system.
We have the 4 Camera 720P POE system.
The Meshare website works and the Zmodo app for iphone works but of course you cant view alerts from this app with our camera system.
I ran a packet capture off my iphone using Mac with XCode which shows the meshare servers sending my phone numerous X11 Unknown event codes when the crash happens.