Hanging problem

[Aswinsai]

I bought Xperia M4 on last month but I am facing Hanging issue, Sometimes my phone was in ON condition but Screen is not waking up, If i opened camera and took photo means it is getting hang, What i do for it. Kindly provide me the solution.

[Phy]

Try repairing the phone with Sony PC Companion.
http://support.sonymobile.com/gb/tools/pc-companion/

[M4AquaDual]

Me too facing exactly the same issue. After I use the camera, it gets stuck and then when I attempt to open the camera, it gives 'camera error'

[Uliwooly]

@M4AquaDual

Have you tried the above suggestion?