Xolo A500s low microphone volume fix

If you are a Xolo A500S owner, then you might have noticed the low microphone volume on this handset. So think no more, just follow these simple steps and this problem will be fixed. You can watch the video or follow the steps below. The first step is to get in the “Engineer Mode” by pressing the following set of keys in the dialpad “*#*#3646633#*#*“ The next step is to…