The cellular signal suddenly drops. This becomes a problem especially when you're on a call and the signal drops all of a sudden, resulting in the call getting cut. Once the signal is lost, it takes some time before signal is regained. Facing this is...

camera shift from wide angle to other camera is lagging. It doesn't change the camera as soon as u click on wide angle or whichever camera mode.

Snapchat app on the beta lags alot