How to: Go to Settings > Display on your Android phone. There, you'll find the option to switch between a light and dark theme and to have dark mode turn on automatically at a certain time of day. I ...
You can move all your WhatsApp messages to a new phone, whether it's an iPhone or Android, as you're first setting it up.
You can set up voicemail on your Android phone directly from the phone's keypad or its Voicemail app if it features one.