Android: Error “Can’t establish a reliable data connection to the server” When Adding Account

They get an error:

Cant establish a reliable data connection to the server.

This could be a temporary problem or your SIM card may not be provisioned for data services.

If it continues, call Customer Care.

Here are some things you’re free to have a go at get things working right.

Some users have reported fixing this problem by simply resetting their wireless router.

Fix 2 Check Date & Time

The date and time must be accurate for things to work.

Sometimes, simply clearing Google Apps resets things just right.

This fix works on older phones.

Now everything should work as intended.