Honor Play gets EMUI 9.1 update: Adds Ark complier and EROFS system

Huawei EMUI 9.1

In recent times, the EMUI 9.1 update has been released to a couple of Huawei smartphones including Honor V10 and Magic 2. Now, this update is available for Honor Play and it comes with Ark Complier and EROFS system.

Update log:

This update adds a new Ark Complier and EROFS system performance innovation technology.  It also improves the general system performance while the application speed is smoother.

In early April, the Pollen Club Forum released a new EMUI system version of the beta recruitment. The smartphones to participate include Huawei Mate RS Porsche Design, P20, P20 Pro, Honor 10, Honor V10, Honor Play, nova 3 and other 7 mobile phones. Most of these smartphones already have the update. Now, its time for Honor Play users. This update weighs 3.8GB thus you should have enough storage space and data before attempting the download.

Honor Play

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What is Ark compiler?

Android is a Linux-based system, and most of its applications are developed in Java. These applications need to run in the Java virtual machine. This is because the processor does not recognize Java language virtual machine instructions. Android system uses AOT+JIT+ to execute the compilation of Java code into machine code. However, the application compilation on the Android system is very efficient. The application always uses Java code even if it is in apk package.

The Ark compiler directly compiles the application by directly turning the Java language into machine code. It bypasses the virtual machine thus the user can obtain the compiled application after downloading the application.

What is EROFS?

EROFS, known as the Extendable Read-Only File System (translatable as “Extensible Read-Only File System”), provides better performance than other read-only file system solutions and saves storage space. EROFS also offers a different compression mode design. According to Huawei’s official statement, the new EROFS file system has an average read performance increase of 20%, space-saving, and smoother reading.


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  1. Josef Izchaki
    July 20, 2019

    Is this for the global or Chinese versions?

  2. Shashi kumar
    July 22, 2019

    This update not for all honor play users when we will get updates