> For the complete documentation index, see [llms.txt](https://walfydoc.mrb-lab.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://walfydoc.mrb-lab.com/updates/migrate-to-v3.1.0.md).

# Migrate to v3.1.0

## 1. Delete A Collection from Firebase

From your firebase console, go to the Firestore Database and delete the **admin** collection.

## 2. Admin Migration

Download and use the new source code.

Follow: 1, 2, 3, 3.2, 3.4, 4, 5, 6

## 3. App Migration

Download and use the new source code.

Follow: 1, 2, 3.2, 3.4 (Don't generate any new keys, Use the old one and edit only the **android/key.properties** file), 4 (Replace only the OneSignal App Id), 5, 6, 7, 8, 9, 10, 11