How to fix SafetyNet in easy steps

Since the Android operating sys universal is made by Googl, which distributes versions to mobile phones companies, and through them, we instal applications from the Google Play Store, which need the Google Play services package to work without problems.
Here comes Safety net, which is related to Google Play services and its mission is to monitor the operating syst, collect data, and send reports to Googl when modifying anything in the operating syst. An example of this: flashing Custom files, root, or Custom recovery.
Whereas, when modifying the Android operating sys, whether by rooting the mobil or other files, the Safety Net system will report an amendment to the file and folder permissions and immediately classify the sys as a custom system.
After SafetyNet detects that there is an Andro mod, it will send data to the appl and tell them the mobil is secure, so that non-rooted appl like Android Pay or Snapchat cannot be opened in the mobile.
I think everyone knows what Safety Net is and now we're coming to ways to solve the Attestatiom failed (basiclntegrity-cts Profile).
How to fix SafetyNet in easy steps

Root can be hidden with Magisk, but not bootloader status

MagiskHide used to build an isolated environment to hide root and bootloader status and thus transfer SafetyNet before this update.
However, once the latest hardware attestation has been implemented on a computer, this would no longer be feasible. As a result, Magisk Hide won't be able to fake the checked boot status any longer.
However, if an app just scans for Root or other userspace changes, Magisk would be able to mask them in the same way it did before. However, if it tests the bootloader status, there's nothing it can do right away.

Verify the SafetyNet's hardware-backed attestation is turned on

This new attestation approach is implemented by Google by a server-side upgrade, rather than a software update to the smartphones. Furthermore, not all Android devices are subject to hardware attention at this time. The move is being phased out gradually and at random, regardless of smartphone type, area, Android edition, or other variables.
Open the Magisk Manager software and click the ‘Check SafetyNet' button to see if hardware attestation is activated on your Android device.
The latest evalType sector should have one of the following values in the results:
1.BASIC: If the assessment is based on standard signals and reference results,
2.HARDWARE: For SafetyNet evaluation, if hardware-backed key attestation is used.
A new parameter, evaluationType, has been introduced to represent core attestation in SafetyNet responses. It essentially “provides details about the kinds of metrics used to compute fields like ctsProfileMatch and basicIntegrity for a specific response,” according to Google.
That's exactly how Magisk Manager determines whether or not hardware-based attestation is activated. So, if the findings indicate HARDWARE, it means that enforces hardware-backed attestation for SafetyNet.

Notice that this new attestation approach is only applicable to Android 8.0 and higher smartphones. Since legacy devices lack a stable isolated environment, they are unable to use the modern attestation process. If you're using one of these devices, you'll be able to pass SafetyNet without issue.

Guide: How to fix SafetyNet (cts)

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  • Skac
    Skac February 8, 2022 at 9:29 AM

    Most Magisk screenshots and operation descriptions are outdated due to v24 update :p

    replydelete
    • Full Firmware
      Full Firmware February 8, 2022 at 10:48 AM

      Use The second step

      delete
      • Skac
        Skac February 8, 2022 at 10:52 AM

        sure. how do I check SafetyNet though? Or, the even bigger problem, how do I know if I need to check it in the first place?

        delete
        • Full Firmware
          Full Firmware February 12, 2022 at 11:04 PM

          SafetyNet Test‏

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          • Full Firmware
            Full Firmware February 12, 2022 at 11:05 PM

            SafetyNet Test app must be installed

            delete
            • Skac
              Skac February 13, 2022 at 4:51 AM

              That app has been abandoned for 4 years and doesn't work with the latest SafetyNet changes.

              delete
              • Full Firmware
                Full Firmware February 19, 2022 at 10:44 PM

                The application works only to check the status of Safetynet

                delete