How to change your cell phone signal using your computer
This article is part of the Google News app, available for iPhone, iPad, Android, Windows Phone and Blackberry devices.
The app offers access to news articles and news categories from Google News.
To change the colour of your phone signal or the colour tone, you can choose from a variety of different options.
Read more In the meantime, if you’ve been getting a good signal, the app will automatically dim your phone screen if it detects it.
The app is not compatible with all phones and will only dim the screen if your phone is switched off.
You can turn it back on by going to Settings > Display > Brightness.