Thank you for your sharing. Kindly provide the information below so that we could better assist you.
1. Could you tell us the name of the carriers you've tried that have this problem? Will the phone work with other SIM card?
2. Which SMS app you use? Also, please provide the app version.
3. If you could not send SMS in tripartite apps, are you using via the Internet(4G), the Wi-Fi, or both? Will it work with other Internet chnnel? Does the phone operate in the stable signal? Where?
4. Could you receive /send calling and text?
5. Please check if the phone storage is ok. Setting>Storage & memory
6. Did the phone break or fall before?
Does Orange Romania Sim card work well in Android 9? The issue appear after the Android 10 Developer Version, right? Furthermore, Vodafone Sim card works totally fine or is there any other issue with Vodafone Sim card?
Furthermore, are you using dual-SIM card? Please provide me the screenshot of Settings > Network & Internet > SIM cards. Whats your setting for "Preferred SIM for SMS Messages"?
While you could not send out the SMS, is there any error message? Could you show me in video?