diff --git a/docs/api/cozy-client/classes/CozyClient.md b/docs/api/cozy-client/classes/CozyClient.md
index 5b024213d4..8f0601339e 100644
--- a/docs/api/cozy-client/classes/CozyClient.md
+++ b/docs/api/cozy-client/classes/CozyClient.md
@@ -1099,7 +1099,7 @@ loadInstanceOptionsFromDOM - Loads the dataset injected by the Stack in web page
 
 loadInstanceOptionsFromStack - Loads the instance options from cozy-stack and exposes it through getInstanceOptions
 
-For now only retrieving capabilities is supported
+This method is not iso with loadInstanceOptionsFromDOM for now.
 
 *Returns*
 
@@ -1604,7 +1604,7 @@ Saves multiple documents in one batch
 
 *Defined in*
 
-[packages/cozy-client/src/CozyClient.js:1729](https://github.com/cozy/cozy-client/blob/master/packages/cozy-client/src/CozyClient.js#L1729)
+[packages/cozy-client/src/CozyClient.js:1735](https://github.com/cozy/cozy-client/blob/master/packages/cozy-client/src/CozyClient.js#L1735)
 
 ***
 
@@ -1628,7 +1628,7 @@ set some data in the store.
 
 *Defined in*
 
-[packages/cozy-client/src/CozyClient.js:1702](https://github.com/cozy/cozy-client/blob/master/packages/cozy-client/src/CozyClient.js#L1702)
+[packages/cozy-client/src/CozyClient.js:1708](https://github.com/cozy/cozy-client/blob/master/packages/cozy-client/src/CozyClient.js#L1708)
 
 ***
 
@@ -1652,7 +1652,7 @@ At any time put an error function
 
 *Defined in*
 
-[packages/cozy-client/src/CozyClient.js:1715](https://github.com/cozy/cozy-client/blob/master/packages/cozy-client/src/CozyClient.js#L1715)
+[packages/cozy-client/src/CozyClient.js:1721](https://github.com/cozy/cozy-client/blob/master/packages/cozy-client/src/CozyClient.js#L1721)
 
 ***
 
@@ -1728,7 +1728,7 @@ Contains the fetched token and the client information. These should be stored an
 
 *Defined in*
 
-[packages/cozy-client/src/CozyClient.js:1722](https://github.com/cozy/cozy-client/blob/master/packages/cozy-client/src/CozyClient.js#L1722)
+[packages/cozy-client/src/CozyClient.js:1728](https://github.com/cozy/cozy-client/blob/master/packages/cozy-client/src/CozyClient.js#L1728)
 
 ***
 
diff --git a/packages/cozy-client/src/CozyClient.js b/packages/cozy-client/src/CozyClient.js
index 9658d1169f..08d3a8d264 100644
--- a/packages/cozy-client/src/CozyClient.js
+++ b/packages/cozy-client/src/CozyClient.js
@@ -1676,7 +1676,7 @@ instantiation of the client.`
   /**
    * loadInstanceOptionsFromStack - Loads the instance options from cozy-stack and exposes it through getInstanceOptions
    *
-   * For now only retrieving capabilities is supported
+   * This method is not iso with loadInstanceOptionsFromDOM for now.
    *
    * @returns {Promise<void>}
    */
@@ -1685,8 +1685,14 @@ instantiation of the client.`
       Q('io.cozy.settings').getById('io.cozy.settings.capabilities')
     )
 
+    const { data: instanceData } = await this.query(
+      Q('io.cozy.settings').getById('io.cozy.settings.instance')
+    )
+
     this.instanceOptions = {
-      capabilities: data.attributes
+      capabilities: data.attributes,
+      locale: instanceData.attributes?.locale,
+      tracking: instanceData.attributes?.tracking
     }
 
     this.capabilities = this.instanceOptions.capabilities || null
diff --git a/packages/cozy-client/src/CozyClient.spec.js b/packages/cozy-client/src/CozyClient.spec.js
index 8edbc23e5c..ce6cb1af3a 100644
--- a/packages/cozy-client/src/CozyClient.spec.js
+++ b/packages/cozy-client/src/CozyClient.spec.js
@@ -492,9 +492,14 @@ describe('CozyClient logout', () => {
   })
 
   it('should call reset on each link that can be reset', async () => {
-    client.query = jest.fn().mockResolvedValueOnce({
-      data: { attributes: { file_versioning: true, flat_subdomains: true } }
-    })
+    client.query = jest
+      .fn()
+      .mockResolvedValueOnce({
+        data: { attributes: { file_versioning: true, flat_subdomains: true } }
+      })
+      .mockResolvedValueOnce({
+        data: { attributes: { locale: 'fr', tracking: true } }
+      })
     links[0].reset = jest.fn()
     links[2].reset = jest.fn()
     await client.login()
@@ -512,9 +517,14 @@ describe('CozyClient logout', () => {
   })
 
   it('should call all reset even if a reset throws an error', async () => {
-    client.query = jest.fn().mockResolvedValueOnce({
-      data: { attributes: { file_versioning: true, flat_subdomains: true } }
-    })
+    client.query = jest
+      .fn()
+      .mockResolvedValueOnce({
+        data: { attributes: { file_versioning: true, flat_subdomains: true } }
+      })
+      .mockResolvedValueOnce({
+        data: { attributes: { locale: 'fr', tracking: true } }
+      })
     links[0].reset = jest.fn().mockRejectedValue(new Error('Async error'))
     links[2].reset = jest.fn()
     await client.login()
@@ -524,9 +534,14 @@ describe('CozyClient logout', () => {
   })
 
   it('should emit events', async () => {
-    client.query = jest.fn().mockResolvedValueOnce({
-      data: { attributes: { file_versioning: true, flat_subdomains: true } }
-    })
+    client.query = jest
+      .fn()
+      .mockResolvedValueOnce({
+        data: { attributes: { file_versioning: true, flat_subdomains: true } }
+      })
+      .mockResolvedValueOnce({
+        data: { attributes: { locale: 'fr', tracking: true } }
+      })
     const originalLogout = client.logout
     links[0].reset = jest.fn()
     links[2].reset = jest.fn()
@@ -545,9 +560,14 @@ describe('CozyClient logout', () => {
   })
 
   it('should unregister an oauth client', async () => {
-    client.query = jest.fn().mockResolvedValueOnce({
-      data: { attributes: { file_versioning: true, flat_subdomains: true } }
-    })
+    client.query = jest
+      .fn()
+      .mockResolvedValueOnce({
+        data: { attributes: { file_versioning: true, flat_subdomains: true } }
+      })
+      .mockResolvedValueOnce({
+        data: { attributes: { locale: 'fr', tracking: true } }
+      })
     await client.login()
     stackClient.isRegistered.mockReturnValue(true)
 
diff --git a/packages/cozy-client/types/CozyClient.d.ts b/packages/cozy-client/types/CozyClient.d.ts
index 32bf75bb74..ffd7118b2c 100644
--- a/packages/cozy-client/types/CozyClient.d.ts
+++ b/packages/cozy-client/types/CozyClient.d.ts
@@ -687,7 +687,7 @@ declare class CozyClient {
     /**
      * loadInstanceOptionsFromStack - Loads the instance options from cozy-stack and exposes it through getInstanceOptions
      *
-     * For now only retrieving capabilities is supported
+     * This method is not iso with loadInstanceOptionsFromDOM for now.
      *
      * @returns {Promise<void>}
      */