Downloading Trusted Root Certificate on Android phone

This section provides a tutorial example on how to download a trusted root certificate on Android phone from root CA Website.

Sometimes you may need to add a trusted root certificate on your Android phone. For example, a Website is using a new root certificate, which is not included the current trusted root certificate store on your Android phone.

If you think the new root certificate can be trusted, you can download it on your Android phone as a trusted certificate. Here is an example of downloading the "GlobalSign Root R1" certificate:

1. Open Chrome Web browser and go to GlobalSign Support website at support.globalsign.com.

2. Enter "GlobalSign Root R1" in the search box and select "GlobalSign Root Certificates" from the search result. The list of root certificates is displayed.

3. Scroll down to see the "GlobalSign Root R1" certificate.

4. Tab on "Download Root-R1". A warning message may be displayed.

Chrome needs storage access to download files.

5. Tap on "CONTINUE". Another warning message may be displayed.

Allow Chrome to access photos, media, and files
on your device?

6. Tap on "ALLOW". The download screen is displayed.

7. Tap on "Download". The "GlobalSign Root R1" certificate is saved in the "Downloads" folder.

Download Trusted Root Certificate on Android phone
Download Trusted Root Certificate on Android phone

Table of Contents

 About This Book

 Introduction of PKI (Public Key Infrastructure)

 Introduction of HTTPS (Hypertext Transfer Protocol Secure)

 Using HTTPS with Google Chrome

 Using HTTPS with Mozilla Firefox

 HTTPS with Microsoft Edge

 Using HTTPS with Apple Safari

 HTTPS with IE (Internet Explorer)

Android and Server Certificate

 Visiting "https" Website with Chrome on Android Phone

 "Your connection is not private" with Chrome on Android Phone

 Viewing Server Certificate with Chrome on Android Phone

 Viewing Server Certificate Path with Chrome on Android Phone

 Trusted Certificate Store on Android phone

Downloading Trusted Root Certificate on Android phone

 Installing Trusted Root Certificate on Android phone

 Installing Website Server Certificate on Android Phone

 iPhone and Server Certificate

 Windows Certificate Stores and Console

 RDP (Remote Desktop Protocol) and Server Certificate

 macOS Certificate Stores and Keychain Access

 Perl Scripts Communicating with HTTPS Servers

 PHP Scripts Communicating with HTTPS Servers

 Java Programs Communicating with HTTPS Servers

 .NET Programs Communicating with HTTPS Servers

 CAcert.org - Root CA Offering Free Certificates

 PKI CA Administration - Issuing Certificates

 Comodo Free Personal Certificate

 Digital Signature - Microsoft Word

 Digital Signature - OpenOffice.org 3

 S/MIME and Email Security

 PKI (Public Key Infrastructure) Terminology

 Outdated Tutorials

 References

 Full Version in PDF/EPUB