Check if the issue still occurs. Perform a factory reset In case the above steps fails to fix the LG Q Stylo 4 Black Screen of Death issue then your last option is to do a factory reset.

Rival LG has approached the market from the other side – the entry level – and will soon unveil the LG Stylo 4. It's a version of the LG Q Stylusα that was unveiled last week.

LG’s latest stylus-equipped phone is here… and by here, I mean the new LG Stylo 4 is available exclusively in the US from wireless carrier Metro PCs.

Use the volume buttons to navigate to Wipe Cache and press the power button to confirm. Restart the device. Check if the LG Q Stylo 4 Black Screen of Death issue still occurs. Perform a factory reset ...