Please make sure your device meets the game system requirements to install the latest version of the game.
NOTE: Before you update, please make a backup of your device and make sure your game is being saved online. See detailed backup instructions here:
Android
https://support.google.com/googleone/answer/9149304
FireOS
https://www.amazon.com/gp/help/customer/display.html?nodeId=201604180
Here is how to update your Android OS:
- Open your device's Settings app.
- Tap System and then System update.
- You'll find your update status. Follow any steps on the screen.
Important: instructions vary depending on device manufacturer. For exact instructions on how to update the OS refer to to manufacturer help pages, for example:
Samsung
Step 1. Go to Settings > tap Software update.
Step 2. Tap Download and install.
Step 3. If new software is available, you can choose Install now, Schedule install or Later.
To update Fire OS on Kindle device:
https://www.amazon.com/gp/help/customer/display.html?nodeId=G2JXLC4L34GX73TE
If there's not enough space to update you can make room for the update by removing content on your device that you don't use. See detailed instructions here: https://support.google.com/android/answer/7431795