Unfortunately, an increasingly common event. Huawei first took this step in silence , and without notice began to liquidate MirrorLink gradually from its five phone models that MirrorLink had. In general, no Huawei model with an Emui higher than 9.1 has MirrorLink. Which in practice means that the last two models with official MirrorLink support are the P10 and P10 Plus.Samsung has chosen a slightly different strategy. It announced at the end of April that it would end support for MirrorLink on its phones, effective June 1, 2020. In the same statement, however, it issued information that nothing will change for existing users and they can continue to use MirrorLink. You can read the full report here. But Samsung is lying in it. As progressive phone updates with MirrorLink occur, MirrorLink is removed from your phone without any notice. The Galaxy S10 series was the first to pay for it (already during July 2020), but gradually other models follow. Galaxy S20, Galaxy Note 20, Galaxy A50, etc. In addition, really old models of phones like Galaxy A7 2018 and others are starting to be added. This castration is perhaps spared only the oldest models Galaxy S6, S7, S5, Note4, etc., where support has already been terminated and the phone is not updated. But even here, Samsung has found a loophole in how to at least turn off MirrorLink while driving. The correction of this matter is discussed in the second section, which can be found here .So how do I know that my phone still has MirrorLink? It's easy with Samsung phones. The best is a quick way to preview the menu of your phone. Open Settings, Connections, More Connection Options, and here one of the items should be MirrorLink. If you have it there, you can leave this section because it is not for you.The second way to verify that my phone still has MirrorLink is to download from the Play Store and install a simple application, Full MirrorLink Samsung Android 10, which you can find here . Don't be put off by the name of Android 10, it works for lower versions as well. After installation, you start the application and it will check that you have a Samsung phone, what basic version of Android you have and whether the Samsung MirrorLink 1.1 system file is present on your phone. If the test is successful, it will allow you direct access to the pages with installations and instructions for the Full MirrorLink Floating Apps for Auto application.. But suppose the test went wrong and your phone no longer has MirrorLink. What next if you want to use it? Anyone who expects the whole procedure to be simple and for a few minutes will be disappointed. The process is difficult and will take most of you several hours.The only way to return the Samsung MirorLink 1.1 system application to your phone is to downgrade your entire phone . Save time and effort by trying to install only Samsung MirrorLink 1.1. Even if you happen to succeed, it will still not work. The only chance is to actually play the latest version of Android on your phone, which still included MirrorLink. This is easy to say, but more difficult to implement.The reason why it is not easy for Samsung to play the original version of the software is to lock the Bootloader version. Depending on its version, your phone will know if you are trying to load newer software that the bootloader will allow or older, but it will disable it. We will show where to find the Bootloader version later. So what do we need to change the Android version and return MirrorLink to the phone? Unfortunately, in 95% of cases we cannot do without a root.What will we need:Phone Root Software: Magisk Manager and Magisknew TWRP bootloader recommendedAll the necessary installation files in the latest version, the procedure of their installation and a description of what a root device is and what risks it entails can be found on the original author's website of Mr. Selva Kumar, for which he deserves our compliments and thanks. The link to his booths is here<figure></figure>We will also need ODIN software (the official program for flashing Samsung phones - here and the correct version of the software for your phone from the archive of all released versions of Samsung phones - here . previous version.You can easily find out exactly what type of your phone and processor, memory and Android system, including the specific firmware of your phone, you have with this excellent application . You install the application on your phone and start it. Select the System tab and see what you need here.<figure></figure>Here we see all the information we need. Build date security smell, but mainly bootloader build code. In it, the number five from the end is important, in our example 6, which indicates the bootloader installation code. Once we find the entire history of the software of this model, we already know that without the root of the phone we can only upload software that will have the same version of the Bootloader - in our case 6 or higher. If we need older software, it will probably have a lower version of Bootloader and we have to reach for the root phone.According to our software version for the G970F, we will search the sammobile.com archive for all published software versions. We will use the state and operator filter to get the entire history of our phone's software updates.<figure></figure>You can see that in my case I have already "missed" five newer software updates (of course, intentionally, so that Samsung does not delete the MirrorLink update from my mobile phone). But if I wanted to go back one build, it would not be possible without root. This was only possible from April to March or February software (all three have a Bootloader build number of 4).In this archive we will find the version that still contains MirrorLink and download it to the PC. We know that all versions released before 1.6.2020 MirrorLink certainly have.Now you need to root the phone itself . Because the procedure is slightly different for each individual model and may even differ for different software versions of one phone model, all you have to do is find the exact procedure for your specific phone and Android version on Google or YouTube. The same is true if you decide to upload a proven TWRP bootloader to your phone instead of the cluttered original Samsung. On these pages you will also find the exact procedure on how to install it together with the Magisk root phone. It's important to know which version of Android you have on your phone and that you want to use Magisk. In general, the older the phone, the more instructions you will find and the easier the procedure.The general rules to be followed can be found on Mr Selva Kumar's website here .After a successful root of your phone, it is necessary to upload and install software with MirrorLink content, the installation files of which you have previously downloaded to your PC. After restarting the phone, the MirrorLink function will appear in your phone, but it has not been won yet. Because Samsung has turned off the certification server for the MirrorLink 1.1 system application, a message appears after connecting the Android 9 and 10 phones to the car that it is not possible to download the Samsung MirrorLink 1.1 certificate. You will then need to follow the procedure described here<figure></figure>For phones with Android 8 and lower, the situation is easier. After uploading a certified MirrorLink application from PlayStore (such as my favorite RockScout ), you can immediately try connecting your phone to your car. Everything can work, but it doesn't have to. It depends on the phone model and the version of the downloaded software. If the phone does not connect (for Peugeot, Toyota, Citroen) or if MirrorLink does not work while the vehicle is in motion, the procedure described here still needs to be done.<figure></figure>When you have finally completed all the necessary steps and got back to your phone MirrorLink, which works while the vehicle is driving, you have the option to open the so-called Full MirrorLink, ie full mirroring of your phone on the display of your car.