How to Fix Pokemon Sleep Error Code 009901

Pokemon Sleep is the latest game in the Pokemon franchise, and the core goal in this one is to get some good rest and to go to bed on time because that’s the behavior that the game will reward most. Sadly, no man-made software is impeccable and lousy stuff like errors can happen. Luckily for you, the reader, and me, the writer, getting an exact Error Code in Pokemon Sleep narrows down the troubleshooting by a significant margin, so I’ll be happy to help you troubleshoot the Error Code 009901 in Pokemon Sleep.

How to Solve Pokemon Sleep Error Code 009901 (Android)

To solve the Pokemon Sleep Error Code 009901 on Android you’ll need to do a few different steps.

One thing I’d like to mention is that the troubleshooting is relatively similar to the Error Code 010100 troubleshooting in Pokemon Sleep.

The first step I would recommend is to see if the app is updated to the latest version. You can easily do this by opening Pokemon Sleep in Google Play Store. If you are prompted to Update it, please do so.

Related: How to Evolve Pokemon in Pokemon Sleep

The second step I would recommend is to clear the data and cache of the app. You can do this by opening your App Manager (App Info), and within the “Storage” section, find Data and Cache, which you should clear through the appropriate options on your device.

The last step in troubleshooting Pokemon Sleep is to uninstall the app completely. In your Store, find the Pokemon Sleep app and uninstall it. After the uninstallation is done, reinstall the app.

How to Solve Pokemon Sleep Error Code 009901 (iOS, iPhone)

For iOS, I would recommend checking if your app is updated, and if it is, reinstall the app. Fresh installation ensures that you get clean files from the server.

That’s everything you need to know about how to solve the Pokemon Sleep error code 009901. You can also check out if you can use Pokemon Sleep with an Apple Watch.