It turns out that Google is blocking rooted Android smartphones from RCS chat



Rich Communication Services (RCS) , a messaging standard with various functions such as high-resolution photo sharing, read notifications, and end-to-end encryption, is available for Android smartphones, and from 2024 it will be available on iPhones. It has also been decided that RCS will also be compatible . It has been discovered that Google is blocking Android smartphones that are rooted to obtain administrator privileges from RCS.

Google Messages is blocking rooted Android users from using RCS - The Verge
https://www.theverge.com/2024/3/1/24087418/google-messages-blocking-rcs-on-rooted-android-devices

It was discovered that Google was restricting RCS on rooted devices in November 2023, when a user posted on the bulletin board social news site Reddit, ``Suddenly I couldn't send RCS messages.'' That's what I wrote .

You can see how chat in RCS is actually blocked in the movie below.



First, send a test message.



Then it seemed like a message had been sent.



However, the next moment the message I sent disappeared. I have tried sending several messages since then, but all have the same result.



Similar issues have been posted on multiple Google Messages support pages and forums, and all cases occurred on rooted devices.

In response to a media inquiry about whether rooted devices are blocked from using RCS, Ivy Hunt, Google's communications manager, said, ``To prevent spam and abuse on Google Messages, we are blocking RCS on devices that send messages. 'We are verifying that they follow the operational practices defined by the RCS standard,' he said, confirming that they were blocking the site.

Although RCS is a standard with enhanced security, it has issues such as the spread of spam, and Google was forced to shut down RCS provision in India in 2022.

Google completely shuts down RCS function of ``Messages'' only in India - GIGAZINE



Similarly, due to security concerns, payment apps such as Google Pay and Google Wallet stop working if they detect that a device is rooted, which is often the case with unsupported devices. A warning message will be displayed explaining that this is the case. However, there are no reports that such a warning message was displayed with this RCS block.

In addition, it has been pointed out that RCS blocking is done using the Play Integrity API , which detects fraud based on the results of integrity judgment, and the Reddit user who originally posted the blocking issue said that it is necessary to avoid the Play Integrity API. I am pleased to report that the problem was resolved for the time being.

``Google offers a number of combinations of solutions to help Android users communicate well, ensuring that devices that don't have access to one communication protocol always have access to another,'' Hunt said. In this case, users who cannot use RCS will be able to access SMS and MMS.'

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in Web Service,   Video,   Security, Posted by log1l_ks