Mint Mobile is either lying to you or their tech support really blows. RCS is a carrier feature, and to turn it on it needs to be activated and accepted by the carrier. When you go to the Google Messages settings from within the app to turn on RCS chats, you should see as below: Your carrier's name and your phone number and with the RCS status (connected or unconnected). If you do not see the slider to turn RCS chats on, that usually means your carrier will not support it. No reason they wouldn't, as I believe the carriers they piggy-back off of do.
However, there could be some miscommunication between the app and your phone due to errors in the phone's cache partition. Try the following steps. After each one see if the error resolves.
1. Clear the messaging app's cache. You can clear the data as well, it will not delete your messages, but will reset any customizations you made, and you may have to log in again.
2. Clear the phone's cache partition. This, again, will not harm anything, it will just clean out leftover junk from installs, updates, etc. To clear the phone's cache, follow the instructions below:
1. Power off your phone. Hold Power and vol up buttons until Samsung Logo appears
2. Let go of both buttons when you see the Samsung Logo appear on screen. There will be a delay while it enters recovery mode.
3. Use the volume buttons to navigate through recovery menu options and highlight āWipe Cache Partition.ā Press power button to select this option . Confirm by navigating to the yes response and tapping the power button to select.
5 .When wiping cache partition is complete, "reboot system now" should be highlighted; press power key to select it . The phone will reboot as normal.
Ok but I've had mint mobile for YEARS and RCS always worked until a few days ago. I have cleared the cache, uninstalled, reinstalled, reset settings all the things. I have not cleared the cache partition, I will try it now. I can't access the RCS menu from the messages app. It either says, "device doesn't support this feature" or "no compatible SIM card detected " I do have eSIM, but like I said, it worked before.
Another thing, is that I forgot to update my payment in my mint mobile account so my service was shut off for a couple hours last weekend, and when I realized it and fixed my account, when service was restored, this was happening with Gmessages. So is it possible something got messed up with my eSIM or network access or something?
I was troubleshooting with mint this morning, and it was working as they had me switch from mobile data to wifi and back. It worked while I was on wifi, I was able to send an RCS message, but as soon as I turned mobile data back on, it gave me the no compatible SIM message.
Here is what mint said.
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