What is the technology behind screen mirroring

Chromecast: enable screen mirroring on unsupported devices (root)

Google's streaming stick Chromecast now allows itmirroring the Android screen to the TV. Only a few Android devices from version 4.4.1 are currently supported. If you don't have an officially supported device, you can use a trick to test whether your own device is perhaps compatible after all. However, this requires root access.

The following devices currently officially support screen sharing via the Google stick: Nexus 4, Nexus 5, Nexus 7 (2013), Nexus 10, Samsung Galaxy S5, Samsung Galaxy S4, Samsung Galaxy Note 10 (2014), Samsung Galaxy Note 3 , LG G3, LG G2, HTC One M7

If you do not have one of the devices mentioned above, you should not give up immediately. If your own android runs at least Android 4.4.1 and if it is rooted, a little trick help. You follow the instructions at your own risk, as you have to manipulate system files:

First of all, it should be ensured that at least version 1.7 of the official Chromecast app is installed on the Android device.

Then the “build.prop” file in the “/ system” folder of the Android root directory is opened with a file manager with root access (e.g. ES File Explorer). In this file you can find the code name of your Android device behind the entry "ro.product.device =". You should memorize this or write it down and then replace it with "hammerhead". This name actually refers to the Nexus 5 and ensures that after saving the "build.prop" file and restarting the device, it may be possible to mirror the screen content via the Chromecast app.

If the trick didn't work or problems occur, change the device name in the "build.prop" back to the correct name of your device.

Chromecast unboxing

Source: SmartDroid


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