Google Account Manager 6.0 -
To install it, you must enable "Unknown Sources" in your device security settings. Once installed, the app usually doesn't have an icon on your home screen; instead, it updates the existing "Google Account Manager" entry in your system apps list. Troubleshooting Common Issues
If you are getting "Account Manager has stopped" errors, the cached data may be corrupt.
"Google Account Manager 6.0"
Downloading a system app like Account Manager from a random website is risky. Because this app handles your passwords and login tokens, a modified (hacked) version could steal your credentials.