Using RCS with Google Messages on GrapheneOS

OfflinePuffin

Try these steps again but reinstall the latest version of the messages app. Also reinstall the Google app that needs to be working first As I believe messages uses the app intially

OfflinePuffin

Syberkonda

Make your place services is set up correctly and then reinstall the Google app, set that up, and then set up messages. Make sure you're getting Google and messages through the play store

kyle

I've tried the method granting permissions with Shizuki, installing Google app, installing carrier services, and toggling Wi-Fi on/off among other things with no luck. Anyone else have any other suggestions? I'm on U.S. Mobile (Verizon network). Seems like Verizon is the problem carrier most of the time when enabling RCS

Sbpr

kyle just to confirm, did you toggle the automatically verify phone number option in the sandboxed google play settings as described above as well as give sms, notifications, and network permissions to play services, google Messages, and the Google app?

OfflinePuffin

kyle

Here's a page from their website, it looks like compatibility is not fully rolled out. https://www.verizon.com/support/knowledge-base-222792/

kyle

Sbpr

Sbpr Yep, I did toggle automatically verify phone number, and gave those permission to Messages, Google app, Google Play Store, and Google Play Services

cap9qd

Anyone able to get this working on AT&T in the US? I have done these steps above on my old Pixel7 and new Pixel8 with no luck. I did confirm that RCS worked when I reverted my 7 to stock and the 8 before installing GOS. I installed carrier services but it doesn't seem to ever run.

Edit:

Gave play services notification, SMS and network.
Installed google app and gave it the same
Installed messages and gave it same.
Tried installing carrier services
Check permissions in App Ops for messages "read device identifiers perm (already had it)
Checked Google settings for auto phone number validation
added number to the SMS settings buried in messages app
Someone mentioned changing number in sim settings. I couldn't find that but verified my number was right in SIM info.

83639273

matchboxbananasynergy

Gos on Pixel 7, Switzerland carrier.

Install Play services.
Install Google Messages and disable RCS in the app
Give SMS, phone, contact and network permissions to Google Messages
Give Network, phone, SMS permissions to Play Services.
Install Shizuku and app opps. Enable wireless USB debugging with Shizuku.
Force close Messages and Play Services and clear cache.of both.
Give the read device identifiers permission to Play Services.
Open Messages, enable RCS. It will connect in minutes (I would say max 1h).
You can remove device identifiers permission to Play Services and uninstall App Opps and Shizuku.

It disconnected after a few weeks. Do the trick again and it will reconnect.
I did not touch any setting in the Google settings in the parameter.

cap9qd

83639273 Wow it worked! I missed the device identifiers for play services. Thank you so much!

Edit. Well it said it was connected but wouldn't actually send an RCS message. Hum...

I shut it off and back on and it connected again. But none of my messages are sent as RCS. More digging to do! However a very positive step in the right direction! Thank you again!

N7EKB

83639273 "App Ops" won't install from Google Play claiming it is for an earlier version of Android.

83639273

cap9qd
Me too
It was the same at the beginning
Just wait a bit and it will work

cap9qd

After adding back the phone number in messages advanced, clearing cache for messages and restarting the phone it started sending RCS messages. Thanks to all.

biscuit_tosser_88

83639273
You're steps worked for me.
I followed everything, then I cleared cache in messages and rebooted. (cap9qd )
In addition, after rebooting, I also turned off developer options.
Unless, someone can give me a reason why I shouldn't, I'm going to leave SMS and phone permissions ON in Play Services for a few weeks and see if RCS disconnects.

Thanks everyone. Now let's see if it lasts.

cap9qd

FYI: I did have issues after taking away "read device identifiers" from play services and it started working again after giving that permission back.

83639273

GrapheneOS, Pixel 7, Swiss carrier. I use a VPN.

Install Play services.
Install Google Messages and disable RCS in the app
Give SMS, phone, network and scoped contacts permissions to Google Messages
Give SMS, phone and network permissions to Play Services.
Install Shizuku and app opps. Enable wireless USB debugging with Shizuku.
Force close Messages and Play Services and clear cache of both.
In App Opps, give the read device identifiers permission to Play Services.
Open Messages, enable RCS. It connected in a few minutes (I would say max 1h).
Very important step : donate to GrapheneOS

You can remove the device identifiers, SMS and phone permissions to Play Services and uninstall App Opps and Shizuku.

It disconnected after a few weeks. I did the trick again and it reconnected.
I did not touch any setting in the Google tab in the settings.

Onyx5783

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?

chenxiaolong

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

Hymix

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....."

biscuit_tosser_88

biscuit_tosser_88 over a month and I'm still connected with RCS

kyle

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

OpSecJunkrat

Onyx5783

Note that this will give Google Play Services your IMEI information:

https://android.googlesource.com/platform/frameworks/base/+/master/core/java/android/app/AppOpsManager.java#1187

qw2b1

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)

011235

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!

Mummify4219

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

83639273

chenxiaolong your welcome
It disconnected too often so I gave up

Hymix

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

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