diff --git a/packages/app/components/accounts/AccountSwitcher.tsx b/packages/app/components/accounts/AccountSwitcher.tsx
index 09f5548..a30e056 100644
--- a/packages/app/components/accounts/AccountSwitcher.tsx
+++ b/packages/app/components/accounts/AccountSwitcher.tsx
@@ -66,9 +66,10 @@ export class AccountSwitcher extends React.Component<Props> {
           styles.accountSwitcher,
           styles[`${skin}AccountSwitcher`],
         )}
+        data-testid="account-switcher"
       >
-        {highlightActiveAccount ? (
-          <div className={styles.item}>
+        {highlightActiveAccount && (
+          <div className={styles.item} data-testid="active-account">
             <div
               className={clsx(
                 styles.accountIcon,
@@ -97,6 +98,7 @@ export class AccountSwitcher extends React.Component<Props> {
                 <div className={styles.link}>
                   <a
                     className={styles.link}
+                    data-testid="logout-account"
                     onClick={this.onRemove(activeAccount)}
                     href="#"
                   >
@@ -106,11 +108,13 @@ export class AccountSwitcher extends React.Component<Props> {
               </div>
             </div>
           </div>
-        ) : null}
+        )}
+
         {available.map((account, index) => (
           <div
             className={clsx(styles.item, styles.accountSwitchItem)}
             key={account.id}
+            data-e2e-account-id={account.id}
             onClick={this.onSwitch(account)}
           >
             <div
@@ -125,6 +129,7 @@ export class AccountSwitcher extends React.Component<Props> {
             {allowLogout ? (
               <div
                 className={styles.logoutIcon}
+                data-testid="logout-account"
                 onClick={this.onRemove(account)}
               />
             ) : (
@@ -141,6 +146,7 @@ export class AccountSwitcher extends React.Component<Props> {
           <Link to="/login" onClick={this.props.onAfterAction}>
             <Button
               color={COLOR_WHITE}
+              data-testid="add-account"
               block
               small
               className={styles.addAccount}
diff --git a/packages/app/pages/root/RootPage.tsx b/packages/app/pages/root/RootPage.tsx
index 78405f9..f5f2abc 100644
--- a/packages/app/pages/root/RootPage.tsx
+++ b/packages/app/pages/root/RootPage.tsx
@@ -89,10 +89,12 @@ class RootPage extends React.PureComponent<{
               <Route path="/rules" component={RulesPage} />
               <Route path="/dev" component={DevPage} />
 
-              {!user.isGuest && (
-                <PrivateRoute exact path="/" component={ProfilePage} />
-              )}
-
+              <AuthFlowRoute
+                exact
+                path="/"
+                key="indexPage"
+                component={user.isGuest ? AuthPage : ProfilePage}
+              />
               <AuthFlowRoute path="/" component={AuthPage} />
 
               <Route component={PageNotFound} />
diff --git a/packages/app/services/authFlow/AuthFlow.ts b/packages/app/services/authFlow/AuthFlow.ts
index 76c0a7a..30e3be2 100644
--- a/packages/app/services/authFlow/AuthFlow.ts
+++ b/packages/app/services/authFlow/AuthFlow.ts
@@ -77,6 +77,7 @@ export default class AuthFlow implements AuthContext {
   onReady: () => void;
   navigate: (route: string, options: { replace?: boolean }) => void;
   currentRequest: Request;
+  oAuthStateRestored = false;
   dispatch: (action: { [key: string]: any }) => void;
   getState: () => RootState;
 
@@ -184,9 +185,6 @@ export default class AuthFlow implements AuthContext {
     }
   }
 
-  /**
-   * @returns {object} - current request object
-   */
   getRequest() {
     return {
       path: '',
@@ -296,6 +294,12 @@ export default class AuthFlow implements AuthContext {
       return;
     }
 
+    if (this.oAuthStateRestored) {
+      return;
+    }
+
+    this.oAuthStateRestored = true;
+
     try {
       const data = JSON.parse(localStorage.getItem('oauthData'));
       const expirationTime = 2 * 60 * 60 * 1000; // 2h
diff --git a/tests-e2e/cypress/fixtures/accounts.json b/tests-e2e/cypress/fixtures/accounts.json
index c8243ae..e71be45 100644
--- a/tests-e2e/cypress/fixtures/accounts.json
+++ b/tests-e2e/cypress/fixtures/accounts.json
@@ -1,6 +1,6 @@
 {
   "account1": {
-    "id": "7",
+    "id": 7,
     "username": "SleepWalker",
     "email": "danilenkos@auroraglobal.com",
     "login": "SleepWalker",
diff --git a/tests-e2e/cypress/integration/auth/forgot-password.ts b/tests-e2e/cypress/integration/auth/forgot-password.test.ts
similarity index 100%
rename from tests-e2e/cypress/integration/auth/forgot-password.ts
rename to tests-e2e/cypress/integration/auth/forgot-password.test.ts
diff --git a/tests-e2e/cypress/integration/oauth/user.test.ts b/tests-e2e/cypress/integration/auth/oauth.test.ts
similarity index 76%
rename from tests-e2e/cypress/integration/oauth/user.test.ts
rename to tests-e2e/cypress/integration/auth/oauth.test.ts
index 095e1de..757a64f 100644
--- a/tests-e2e/cypress/integration/oauth/user.test.ts
+++ b/tests-e2e/cypress/integration/auth/oauth.test.ts
@@ -1,4 +1,6 @@
 /* eslint-disable @typescript-eslint/camelcase */
+import { account1 } from '../../fixtures/accounts.json';
+
 const defaults = {
   client_id: 'ely',
   redirect_uri: 'http://ely.by/authorization/oauth',
@@ -14,6 +16,29 @@ it('should complete oauth', () => {
   cy.url().should('equal', 'https://ely.by/');
 });
 
+it('should restore previous oauthData if any', () => {
+  localStorage.setItem(
+    'oauthData',
+    JSON.stringify({
+      timestamp: Date.now() - 3600,
+      payload: {
+        clientId: 'ely',
+        redirectUrl: 'http://ely.by/authorization/oauth',
+        responseType: 'code',
+        description: null,
+        scope: 'account_info account_email',
+        loginHint: null,
+        state: null,
+      },
+    }),
+  );
+  cy.login({ accounts: ['default'] });
+
+  cy.visit('/');
+
+  cy.url().should('equal', 'https://ely.by/');
+});
+
 it('should ask to choose an account if user has multiple', () => {
   cy.login({ accounts: ['default', 'default2'] }).then(
     ({ accounts: [account] }) => {
@@ -72,6 +97,20 @@ it('should prompt for permissions', () => {
   cy.url().should('match', /^http:\/\/localhost:8080\/?\?code=[^&]+&state=$/);
 });
 
+it('should allow sign in during oauth (guest oauth)', () => {
+  cy.visit(`/oauth2/v1/ely?${new URLSearchParams(defaults)}`);
+
+  cy.url().should('include', '/login');
+
+  cy.get('[name=login]').type(`${account1.login}{enter}`);
+
+  cy.url().should('include', '/password');
+
+  cy.get('[name=password]').type(`${account1.password}{enter}`);
+
+  cy.url().should('equal', 'https://ely.by/');
+});
+
 // TODO: enable, when backend api will return correct response on auth decline
 xit('should redirect to error page, when permission request declined', () => {
   cy.server();
@@ -170,7 +209,28 @@ describe('login_hint', () => {
 
 describe('prompts', () => {
   it('should prompt for account', () => {
-    cy.login({ accounts: ['default'] });
+    cy.login({ accounts: ['default'] }).then(({ accounts: [account] }) => {
+      cy.visit(
+        `/oauth2/v1/ely?${new URLSearchParams({
+          ...defaults,
+          prompt: 'select_account',
+        })}`,
+      );
+
+      cy.url().should('include', '/oauth/choose-account');
+
+      cy.getByTestId('auth-header').should('contain', 'Choose an account');
+
+      cy.getByTestId('auth-body')
+        .contains(account.email)
+        .click();
+
+      cy.url().should('equal', 'https://ely.by/');
+    });
+  });
+
+  it('should allow sign in with another account', () => {
+    cy.login({ accounts: ['default2'] });
 
     cy.visit(
       `/oauth2/v1/ely?${new URLSearchParams({
@@ -181,7 +241,19 @@ describe('prompts', () => {
 
     cy.url().should('include', '/oauth/choose-account');
 
-    cy.getByTestId('auth-header').should('contain', 'Choose an account');
+    cy.getByTestId('auth-controls')
+      .contains('another account')
+      .click();
+
+    cy.url().should('include', '/login');
+
+    cy.get('[name=login]').type(`${account1.login}{enter}`);
+
+    cy.url().should('include', '/password');
+
+    cy.get('[name=password]').type(`${account1.password}{enter}`);
+
+    cy.url().should('equal', 'https://ely.by/');
   });
 
   it('should prompt for permissions', () => {
@@ -258,6 +330,33 @@ describe('prompts', () => {
       );
     });
   });
+
+  it('should allow sign in during oauth (guest oauth)', () => {
+    cy.visit(
+      `/oauth2/v1/ely?${new URLSearchParams({
+        ...defaults,
+        client_id: 'tlauncher',
+        redirect_uri: 'http://localhost:8080',
+        prompt: 'select_account,consent',
+      })}`,
+    );
+
+    cy.url().should('include', '/login');
+
+    cy.get('[name=login]').type(`${account1.login}{enter}`);
+
+    cy.url().should('include', '/password');
+
+    cy.get('[name=password]').type(`${account1.password}{enter}`);
+
+    assertPermissions();
+
+    cy.getByTestId('auth-controls')
+      .contains('Approve')
+      .click();
+
+    cy.url().should('match', /^http:\/\/localhost:8080\/?\?code=[^&]+&state=$/);
+  });
 });
 
 describe('static pages', () => {
diff --git a/tests-e2e/cypress/integration/auth/sign-in.test.ts b/tests-e2e/cypress/integration/auth/sign-in.test.ts
index f93fa1e..4c3e021 100644
--- a/tests-e2e/cypress/integration/auth/sign-in.test.ts
+++ b/tests-e2e/cypress/integration/auth/sign-in.test.ts
@@ -1,8 +1,10 @@
-import { account1 } from '../../fixtures/accounts.json';
+import { account1, account2 } from '../../fixtures/accounts.json';
 
 it('should sign in', () => {
   cy.visit('/');
 
+  cy.url().should('include', '/login');
+
   cy.get('[name=login]').type(`${account1.login}{enter}`);
 
   cy.url().should('include', '/password');
@@ -122,3 +124,129 @@ it('should sign in with totp', () => {
 
   cy.location('pathname').should('eq', '/');
 });
+
+it('should allow logout', () => {
+  cy.login({ accounts: ['default'] });
+
+  cy.visit('/');
+
+  cy.getByTestId('toolbar')
+    .contains(account1.username)
+    .click();
+
+  cy.getByTestId('active-account')
+    .getByTestId('logout-account')
+    .click();
+
+  cy.location('pathname').should('eq', '/login');
+  cy.getByTestId('toolbar').should('contain', 'Join');
+});
+
+describe('multi account', () => {
+  it('should allow sign in with another account', () => {
+    cy.login({ accounts: ['default2'] });
+
+    cy.visit('/');
+
+    cy.getByTestId('toolbar')
+      .contains(account2.username)
+      .click();
+
+    cy.getByTestId('active-account').should('have.length', 1);
+    cy.get('[data-e2e-account-id]').should('have.length', 0);
+
+    cy.getByTestId('add-account').click();
+
+    cy.location('pathname').should('eq', '/login');
+
+    cy.get('[data-e2e-go-back]').should('exist');
+
+    cy.get('[name=login]').type(`${account1.login}{enter}`);
+
+    cy.url().should('include', '/password');
+
+    cy.get('[name=password]').type(`${account1.password}{enter}`);
+
+    cy.location('pathname').should('eq', '/');
+
+    cy.getByTestId('toolbar')
+      .contains(account1.username)
+      .click();
+
+    cy.getByTestId('active-account').should('have.length', 1);
+    cy.get('[data-e2e-account-id]').should('have.length', 1);
+
+    cy.get('[data-e2e-account-id]')
+      .getByTestId('logout-account')
+      .click();
+  });
+
+  it('should go back to profile from login screen', () => {
+    cy.login({ accounts: ['default'] });
+
+    cy.visit('/');
+
+    cy.getByTestId('toolbar')
+      .contains(account1.username)
+      .click();
+
+    cy.getByTestId('add-account').click();
+
+    cy.location('pathname').should('eq', '/login');
+
+    cy.get('[data-e2e-go-back]').click();
+
+    cy.location('pathname').should('eq', '/');
+  });
+
+  it('should allow logout active account', () => {
+    cy.login({ accounts: ['default', 'default2'] });
+
+    cy.visit('/');
+
+    cy.getByTestId('toolbar')
+      .contains(account1.username)
+      .click();
+
+    cy.getByTestId('active-account')
+      .getByTestId('logout-account')
+      .click();
+
+    cy.getByTestId('toolbar')
+      .contains(account2.username)
+      .click();
+    cy.get('[data-e2e-account-id]').should('have.length', 0);
+  });
+
+  it('should not allow log in the same account twice', () => {
+    cy.login({ accounts: ['default'] });
+
+    cy.visit('/');
+
+    cy.getByTestId('toolbar')
+      .contains(account1.username)
+      .click();
+
+    cy.getByTestId('active-account').should('have.length', 1);
+    cy.get('[data-e2e-account-id]').should('have.length', 0);
+
+    cy.getByTestId('add-account').click();
+
+    cy.location('pathname').should('eq', '/login');
+
+    cy.get('[data-e2e-go-back]').should('exist');
+
+    cy.get('[name=login]').type(`${account1.login}{enter}`);
+
+    cy.url().should('include', '/password');
+
+    cy.get('[name=password]').type(`${account1.password}{enter}`);
+
+    cy.location('pathname').should('eq', '/');
+
+    cy.getByTestId('toolbar')
+      .contains(account1.username)
+      .click();
+    cy.get('[data-e2e-account-id]').should('have.length', 0);
+  });
+});
diff --git a/tests-e2e/cypress/support/commands.js b/tests-e2e/cypress/support/commands.js
index ff1ca0f..924a80c 100644
--- a/tests-e2e/cypress/support/commands.js
+++ b/tests-e2e/cypress/support/commands.js
@@ -27,8 +27,8 @@ import { account1, account2 } from '../fixtures/accounts';
 // Cypress.Commands.overwrite("visit", (originalFn, url, options) => { ... })
 
 const accountsMap = {
-  default: account2,
-  default2: account1,
+  default: account1,
+  default2: account2,
 };
 
 Cypress.Commands.add(
@@ -82,8 +82,18 @@ Cypress.Commands.add(
   },
 );
 
-Cypress.Commands.add('getByTestId', (id, options) =>
-  cy.get(`[data-testid=${id}]`, options),
+Cypress.Commands.add(
+  'getByTestId',
+  { prevSubject: 'optional' },
+  (subject, id, options) => {
+    const selector = `[data-testid=${id}]`;
+
+    if (subject) {
+      return cy.wrap(subject.find(selector));
+    }
+
+    return cy.get(selector, options);
+  },
 );
 
 function createState(accounts) {