Google always helps to change the password on the android device. If you are using any android device and you forgot your Gmail account password or you want to Des: change your gmail account password then google definitely helps you to change your gmail account password. On the android phone, you can change your password by two ways. You can open your gmail application and go to settings then click on manage google account and then click on personal info and in the personal info option you need to select the password option. Now you have one window open on the screen that will ask you an old password and you need to enter your old password and on the bottom side you need to enter the new password and your gmail account password changed on an android device.