This is meant to safeguard users against security threats and update their devices as soon as possible. After the said date, users will no longer use the general Google services linked with a Google account.
Google Ending Support on Android Gingerbread
As Google Play Services is an integral part of Android devices, a handset running without it is mostly useless. And this is what is going to happen if you’re having an Android device running v2.3.7 or older. Zak Pollack revealed that the Android Community Manager, singing into Google accounts in Android 2.3.7 after September 27th, 2021, will be disabled and no longer be available. The Android 2.3.7, or Gingerbread, was launched in 2010 and was used very low (or maybe none) today. Google is trailing Beta 3 of Android 12 as its latest offering, and most latest devices are running Android 11 as the base. Thus, Google want’s to end support for an outdated Android OS, which now poses a risk of security for users using it. As mentioned, Google account services will not work on Android 2.3.7 after the said date if you try to
Perform a factory reset of your device and try to sign in. Change your password either on the device or on a different device, which then signs you out everywhere else. When you try to sign in again, you will receive an error message. Remove your account from your device and re-add it, and Create an account on the device.
And the only way you can access general Google services like YouTube, Gmail, Calendar, etc., is by accessing them through the mobile browser. As this could be a hassle, try upgrading your old handset by going to Settings > System > Update and Check for Updates. Any Android update made available by your OEM should be seen here. Update if available. Or try getting a new handset that’s running supported versions.