How to Get an ADC Reading on Android

Step-by-Step Guide

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   Step 1: Open the Phone app.

   From your phone’s Home screen, tap the phone icon found at the bottom part of the screen to launch your Android’s Phone application.
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   Step 2: Show the keypad.

   Tap on keypad icon found on the upper left-hand corner of the phone screen to show your Android’s on-screen keypad that you normally use to dial phone numbers. , Using the “Clear” button on the lower right-hand corner of the keypad, delete any previously dialed numbers.
   
   The call screen needs to be empty before you can proceed., Using the onscreen keypad, type in this code: *#0228.
   
   Make sure that you type these characters as you see them, leaving no space in between any of the characters. , Once you’ve typed in the codes right, press the pound key (#) on the keypad, and the code you’ve just entered will display the Battery Status screen containing all the technical details of your phone’s battery. , Scroll down the Battery Status screen, and inside you’ll see the ADC reading of your phone together with its voltage, network connectivity, and signal strength. , To quit this information screen, simply tap on your Android’s Back key, and you’ll be taken back to its Home screen.
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   Step 3: Clear out any dialed numbers.

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   Step 4: Type in the codes.

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   Step 5: Press the pound key.

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   Step 6: Get the ADC reading.

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   Step 7: Exit the Battery Status screen.

Detailed Guide

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