microg / microg/GmsCore

[<MICRO-G and com.vanced.android.youtube>] <20.14.43 youtube vanced and NEWEST MicroG version DOES NOT SUPPORT Login Authencication>

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Java
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Description

**Affected app**

Name: YouTube Vanced

Package ID: com.vanced.android.youtube

**Describe the bug**

When I try to sign in to my Google account using the latest version of microG, the Google login page opens normally and microG is able to connect to Google's authentication servers without any issue. I can enter my email and password successfully, and the authentication process appears to work correctly.

However, after the login process is completed, my account is not actually added to the app. Instead, the login is refused, rejected, or silently fails. It seems like Google's servers may be treating the login attempt as suspicious or as if it were coming from an automated bot. As a result, I cannot finish signing in even though the authentication step itself succeeds.

This issue only happens after the credentials have already been accepted. The problem is not connecting to Google or opening the login page—the failure occurs at the final account authorization stage, where access is denied and the account is never added to microG.

**To Reproduce**

1. Install the latest version of microG.

2. Open YouTube Vanced.

3. Tap **Sign in**.

4. Complete the Google login process with a valid Google account.

5. Wait for the authentication to finish.

6. Instead of adding the account successfully, the login is refused/rejected and the account is not added.

**Expected behavior**

After successfully authenticating with Google, the account should be added to microG and I should be signed in to YouTube Vanced without any errors.

**Actual behavior**

Google authentication completes successfully, but the final authorization is refused. The account is not added, and I remain logged out. It appears as though Google may be rejecting the authorization request or flagging it as suspicious.

**System**

* Android Version: Android 14

* Custom ROM: Infinix Hot Pro 60 S

**microG**

* microG Core version: (your microG version)

* Self-Check results: All items are checked.

**Additional context**

I have already tried reinstalling microG, clearing app data, removing and re-adding my Google account, and using the newest available version. The problem persists every time. The login page works correctly and communicates with Google's servers, but the account is always rejected after authentication. This makes it impossible to use Google account login in YouTube Vanced.

Contributor guide

No contributing guide indexed for this repository

Research direction

The report names no source file, failing test, or concrete error. Start by reproducing the sign-in flow on Android 14 with the latest microG, capture the failure after credentials are accepted, and trace the account-authorization path. Done means a valid Google account is added successfully after authentication.

Written by the indexing model from the issue text.

Assessment

Tech stack
android, java
Domain
authentication, mobile
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Quiet
Clarity
Mostly clear
Newbie friendliness
35/100

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