Google Won't Let Users Sign In On Old Android Devices From Sep 27

When support ends for sign-in with a Google Account on Android 2.3.7 and below, the users will receive a username or password error if they try to sign in to their devices or to add an email or calendar account.

Google Won't Let Users Sign In On Old Android Devices From Sep 27

Google will no longer allow sign-in on Android devices that run Android 2.3.7 or lower starting September 27.

If you sign into your device after September 27, you may get username or password errors when you try to use Google products and services like Gmail, YouTube, and Maps.