Your Android phone battery may drain quickly, this might be due to bad battery health or some apps and games on your Android phone that consuming too much battery. You can check the battery health condition from a hidden test menu of Android. Using this Android test menu you can check different Android hardware information that is not available in normal Android OS interface. From this Test menu you can check detailed technical network information and diagnose problem, usage statistics of built-in and installed Android applications, WiFi information and of course Battery information as well. In this guide you will see how to check Android phone battery condition from hidden Test menu.
Check Battery Health Android Phone
Dial *#*#4636#*#* from Android phone dialer. This will open a hidden Android test menu.
Tap the Battery Information option. Here you will see all details about Android phone battery. You can see the battery charging status, current power source, battery charge level, battery scale and most important health, battery voltage, temperature, type and time since boot.
We already posted a guide to force use 3G network on Android phone using Test menu options.