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Android

We are often asked which certificate is compatible with Android? There is no simple answer.

To check a root compatibility with an Android version, you will need to look it up in the source code:

For versions prior to Android Lollipop (5.0):
Tag list from the repository
You will need to look for the version you want, i.e. the tag kitkat-release, then go in the luni/src/main/files/cacerts directory. The cacert directory contains all root certificates and their metadata.

From Android Lollipop (5.0):
Tag list from the repository
You will need to look for the version you want, i.e. the tag pie-release and then go to the file directory that will contain all root certificates and their metadata.

But be carefull:
  • it does not specify which version of Android with which version of the file
  • Some smartphone resellers deliver a reduced version of the certificates database meaning that you can possibly have a N verion of Android but a N-x version of the cacerts.bks file
Through experience we noticed that the more Android-compatible certificates are the Sectigo SSL and the GlobalSign OrganizationSSL, or for the Unified Communication standard the Sectigo UCC and the GlobalSign UCC certificates.

External links: