If you want to open a text file in an Android phone, there are a few different ways to do it. The first way is to open the file from the File Manager. To do this, open the File Manager by pressing and holding down on the Home button and selecting “File Manager.” Then select the “Text Files” tab and select the file you want to open. The second way is to use the Android Open File dialog box. To do this, press and hold down on the Home button and select “Settings.” Then select “General” and tap on “Open File Dialog Box.” Select the file you want to open and tap on OK. ..