From 9faa7d9fedbae80e97fcebf5a4939715e3b466e2 Mon Sep 17 00:00:00 2001 From: M66B Date: Mon, 6 Jul 2026 06:51:38 +0200 Subject: [PATCH] Updated FAQ --- FAQ.md | 2 +- index.html | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/FAQ.md b/FAQ.md index 046fac17dc..ac2e2ab3a1 100644 --- a/FAQ.md +++ b/FAQ.md @@ -781,7 +781,7 @@ After enabling two factor authentication there will be this error message: The error message "*Authentication failed - Invalid credentials*" or *Token refresh required* means that the Android account manager was not able to refresh the access token, or that getting an access token was not allowed, -for example when the account is a [Family Link](https://support.google.com/families/answer/7101025) account, in which case you can use the Gmail app only. +for example when the account is a [Family Link](https://support.google.com/families/answer/7101025) account or any other delegated account, in which case you can use the Gmail app only. A common cause for this problem is using a VPN, a firewall app or an ad blocker which blocks internet access for the Android account manager. Please make sure permissions were granted to the app via setup step 2. You can try to work around this issue by using the quick setup wizard *Gmail (Oauth)* or by using an app password. diff --git a/index.html b/index.html index b6dc5dcad2..6e06c9a4e1 100644 --- a/index.html +++ b/index.html @@ -651,7 +651,7 @@ or by installing the GitHub version of the app (as an update) and enabling insec

This Google security check is triggered more often with less secure apps enabled, even less with an app password, and hardly ever when using an on-device account (OAuth). You might see the error OAUTH2 asked for more, which basically says the connection is temporarily blocked, until you confirm it is you.

Note that an app specific password is required when two factor authentication is enabled. After enabling two factor authentication there will be this error message:

[ALERT] Application-specific password required: https://support.google.com/mail/accounts/answer/185833 (Failure)

-

The error message “Authentication failed - Invalid credentials” or Token refresh required means that the Android account manager was not able to refresh the access token, or that getting an access token was not allowed, for example when the account is a Family Link account, in which case you can use the Gmail app only. A common cause for this problem is using a VPN, a firewall app or an ad blocker which blocks internet access for the Android account manager. Please make sure permissions were granted to the app via setup step 2. You can try to work around this issue by using the quick setup wizard Gmail (Oauth) or by using an app password.

+

The error message “Authentication failed - Invalid credentials” or Token refresh required means that the Android account manager was not able to refresh the access token, or that getting an access token was not allowed, for example when the account is a Family Link account or any other delegated account, in which case you can use the Gmail app only. A common cause for this problem is using a VPN, a firewall app or an ad blocker which blocks internet access for the Android account manager. Please make sure permissions were granted to the app via setup step 2. You can try to work around this issue by using the quick setup wizard Gmail (Oauth) or by using an app password.

[ALERT] IMAP access is not allowed for this account.

This means that it is a Google Family Link account for a child under the age of 13. Please see here for a solution.