"I wish to transfer Blu-ray files to my Galaxy A56 for playing on my trip. However, each time I've tried to put these movies to my smartphone I received an error message. Any suggestion? By the way, I want the picture quality to be as best as possible. Who doesn't want to see a real high definition movie? Thanks in advance."
I downloaded some .mkv movies, my Galaxy A56 can't read and play these files, why? How to solve this problem?

You won't find a high performance-price ratio Android phone than the Samsung Galaxy A56, thanks to its oversized 6.6-inch curved screen and low-light-defeating dual-lens camera. The Galaxy A56 is the most stylish-looking smartphone you can buy thanks to Samsung continuing its design ethos of melding a glass panel with a metal frame.
About Samsung Galaxy A56
Display
* 6.6-inch Quad HD+ Super AMOLED screen
* 1080x2340-pixel resolution
* 90% of the front of the phone is now screen
* No in-screen fingerprint sensor here
Rear camera
* World's first f/1.5 aperture on a phone
* Dual-aperture technology works like the human eye
* 960fps slow-motion video capture
Battery and performance
* 5000 mAh battery offers same performance as predecessor
* Plenty of power under the hood keeps Android 15 smooth
Why we can't play MKV and Blu-ray movies on Galaxy A56? Here are two reasons. One is that the file is too large to play on it, and the other is Galaxy A56 doesn't supported Blu-ray and MKV files playback. In fact, it is easy to watch Blu-ray movies on Galaxy A56 as long as you got a Blu-ray Ripper in hand. This article will tell you how to convert Blu-ray to Galaxy A56 playable video formats so that you can enjoy your favorite Blu-ray movies on the go.
The recommended Blu-ray to Galaxy A56 Converter and MKV to Galaxy A56 Converter is Acrok Video Converter Ultimate. With it, you can effortlessly rip Blu-ray to Galaxy A56 supported video format and convert MKV to Galaxy A56 playable format with fast speed and excellent output quality. Apart from Galaxy A56, you're also allowed to convert Blu-ray to many other types of Android smartphone including Galaxy S25, Galaxy Note 20, Google Pixel 9, OnePlus 13, Motorola G Play, Huawei Mate 70 Phone smoothly through bypassing all kinds of Blu-ray copy protections. If you are a Mac user, please turn to Acrok Video Converter Ultimate for Mac. Now, download the software on computer and follow the guide below to copy your movies to Galaxy A56 for playback smoothly.
Free download Galaxy A56 Video Converter (Windows Version | Mac Version)
How the MKV & Blu-ray to Galaxy A56 works?
1
Load Blu-ray files
Run Acrok Video Converter Ultimate as the best Blu-ray to Galaxy A56 Converter and MKV to Galaxy A56 Converter.
For ripping Blu-ray for Galaxy A56, click “Load Disc” icon to load your Blu-ray files into this top Blu-ray ripping program.
For converting MKV to Galaxy A56 supported video format, please hit "Add file" icon.

2
Choose S9 Plus Format
Click “Format” then choose “Android”. Here, just selecting “Samsung Galaxy S Series Video (*.mp4)” as output format.

3
Start Conversion
In the end, click the "Convert" button to begin the Blu-ray or MKV to Galaxy A56 supported format conversion. When the conversion completes, click “Open” button to locate the converted movies. After that, you transfer the movies to your Galaxy A56 for enjoyment.
Tip : Acrok Video Converter Ultimate is a blazing-fast, intuitive all-in-one media toolkit which lets you rip, backup Blu-ray/DVDs and convert even edit videos in one place. With it, you can effortlessly achieve all your multimedia demands and enjoy Blu-ray/DVD/video anywhere and anytime you like.