I have developed an android app , and all my users who has android less than api 23 couldnt connect to the server, and the rest just work normal, and that just started from this day (2020-05-30), before this day it was working normally for many years. Any idea whats the reason. Is it from our ISP or from google it self.
1 Answers
There is a certificate expiry event today, could be related.
https://twitter.com/bitcynth/status/1266683552030212096
Not certain this is the same thing - https://support.sectigo.com/articles/Knowledge/Sectigo-AddTrust-External-CA-Root-Expiring-May-30-2020
Probable options if you confirm this is the case
- Get the server team to issue a new certificate with a different root CA.
- Add a new Root CA to the device, but this requires a manual process on each phone.
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