iOS (iPad, iPod, iPhone)
1. Download the Zscaler Certificate HERE clicking though any download notifications.
2. Open Settings > General > About > Profile
3. Click on Profile then on Zscaler Root CA. Click on Install, Install, and Install.
4. Click Done and return to the General page of Settings.
5. Return to General > About and click on Certificate Trust Settings.
6. Click on the button to turn on Zscaler Root CA, and then click Continue to finish.