1. Calculate how much gravel you will need. To determine this, you need to multiply your drivewayâs length (in feet), width (in feet), and depth (in feet), then divide by 27 to get the cubic yards of gravel. 1  The depth of the gravel can vary, but should be at least 4-6 inches.
Causes of Unresponsiveness that are uncommon. The following causes of Unresponsiveness are diseases or conditions that affect more than 200,000 people, but less than 1 million people in the USA: Cirrhosis of the liver - unresponsiveness.
So if you are facing iPhone Lock Screen unresponsive issue on iPhone 4S or 5 then you are in right place. You can try some quick fixes we are about to mention to overcome the issue. The main reason behind writing this post is because I too faced the issue on my old iPhone 4S which I use as a backup device.