Please tell us some basic information before asking for help:
Model Name:
Firmware Version: .58
Rooted or not: Not
Frequency of Occurrence: Alot
APP Name & APP Version (If your issue relates to the app):
In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc.
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I was just swapping through the home screen and the phone hung with a black screen. It got fixed after locking the device and unlocking. It often hangs while using Google chrome, gmail, and the inbuilt App lock feature(I think).
