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  • Using RCS with Google Messages on GrapheneOS

I was able to get RCS to work. I was missing adding my phone number in the messages app. I went into settings, advanced and put my phone number in which allowed it to work

83639273
This worked! Had to clear cache and reboot but I am connected and sending with RCS. Anything wrong with leaving Device identifiers on with Play Services?

      83639273 Thanks! This also worked for me (Pixel 8 Pro on T-Mobile USA). Worked straight away after a reboot.

      I granted READ_DEVICE_IDENTIFIERS the old fashioned way via adb:

      adb shell appops set com.google.android.gms READ_DEVICE_IDENTIFIERS allow

      The state of the permission can be found with:

      adb shell appops get com.google.android.gms | grep READ_DEVICE_IDENTIFIER

      Previously, I had:

      READ_DEVICE_IDENTIFIERS: deny; rejectTime=+2m21s554ms ago

      After enabling the permission, I have:

      READ_DEVICE_IDENTIFIERS: allow; time=+47s616ms ago; rejectTime=+7m4s585ms ago

          PaulDavis Some of us live in countries where texts are not used and not included in any plans at all.

            83639273 Followed all the steps, on a new Graphene install, and it says "RCS chats aren't available for this device."

            After a reboot I was able to enter my number but it just shows status as "Setting up....."

              Pixel 6a, GrapheneOS, Germany, o2-SIM.

              Over a period of several months I tried all steps in the various instructions in this forum and on several other webpages. Never got further than „Setting up...“. After a GrapheneOS update RCS suddenly started working. IMO the problems are not GrapheneOS related, there are several threads in official Google support forums from stock OS users who experience the same problems. Maybe a kind of dysfunctional anti spam measure from Google.

              11 days later

              chenxiaolong Just another confirmation post: I've tried this on and off over the past few months and this is what did it for me (Pixel 8 on MEO Portugal). I've been running this for the past week with no issues to report.

              For the record, I have a Xiaomi Redmi Note 7 running LineageOS 21 and RCS worked immediately, even while failing SafetyNet / PlayIntegrity, so I have a suspicion that this is not a anti-root measure, but something else on Google's end (as some of you have pointed out already)

                rcs works for me, I changed my subscription from free to bouygues and it works

                  As far as I'm aware there's no way to get RCS working without the Google Play Services? Can someone confirm that I have that right ?

                  For what it's worth, things I did to get it to work;

                  • used default "Owner" profile
                  • installed google play services, permissions Contacts, Network, Phone, SMS
                  • installed carrier services, allow Unrestricted running in background
                  • installed Messages, permissions Contacts, Network, Phone, SMS, storage spaces setup, set SMS app to Messages
                  • chenxiaolong this step here
                  • turned off any VPN, WiFi (to use mobile data)
                  • open Messages, turn on RCS
                  • wait around 5 minutes
                  • working!

                      New install of graphene and RCS works pretty much out the box. Did nothing but install Google messaging, turned on RCS, typed in my number and that's it. T-Mobile US is my carrier, no carrier services installed.

                        Ducter I don't know if you'll run into the same issue I did. It initially behaved that way for me too (also T-Mobile USA), but Google would silently block access a day later. After the silent "ban", RCS would show as connected, but actually sending and receiving messages would fail. It wasn't until I granted the READ_DEVICE_IDENTIFIERS permission (https://discuss.grapheneos.org/d/1353-using-rcs-with-google-messages-on-grapheneos/352) that it stayed working (a little over 2 weeks for me now).

                            chenxiaolong I've tested between phones and it works but it's only been a couple days and you're correct, it could stop at any point. Maybe I'll go on and enable that just in case.

                              15 days later

                              chenxiaolong Thank you, this finally got it working. Been trying all the steps people suggested for months now, completed this, rebooted and instantly connected.

                                6 days later

                                Sad, I just refuse to have GPS installed on my main profile or have it exposed to my texts