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Best Converter for iPhone 6S Plus: Convert MKV AVI MTS FLV to iPhone 6S Plus

14 Sep 15
Katrina Lucy
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iPhone 6S Plus is finally pegged on September 9, and it displays are the same sizes as those of the iPhone 6, coming in 4.7-inch 750p and 5.5-inch 1080p (Plus) sizes. For sure, it is great to watch movies on iPhone 6S Plus. Since iPhone 6S Plus is still an Apple device, which means that it can only play limited videos including MP4, M4V, MOV, for other video formats, like H.265, Tivo, MKV, MTS, MXF, FLV, AVI, WMV, VOB, etc. you may meet with video compatibility problems.

In this case, iPhone 6S Plus video converter will help you, you just need to convert these SD/HD/4K movies to iPhone 6S Plus supported format like H.264 MP4, and then you can play movies on iPhone 6S(Plus) well.

iPhone 6S Plus supported video format:

H.264 video up to 4K, 30 frames per second, High Profile level 4.2 with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats;
MPEG-4 video up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Simple Profile with AAC-LC audio up to 160 Kbps per channel, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats;
Motion JPEG (M-JPEG) up to 35 Mbps, 1280 by 720 pixels, 30 frames per second, audio in ulaw, PCM stereo audio in .avi file format

iPhone 6S Plus supported audio format:

AAC (8 to 320 Kbps), Protected AAC (from iTunes Store), HE-AAC, MP3 (8 to 320 Kbps), MP3 VBR, Audible (formats 2, 3, 4, Audible Enhanced Audio, AAX, and AAX+), Apple Lossless, AIFF, and WAV

Tutorial: How to convert video to iPhone 6S Plus?

Here the following is a brief guide on how to convert unrecognized video files to iPhone 6S Plus with iFastime Video Converter Ultimate (Read review).

iPhone 6S Plus Video Converter is able to convert unrecognized video files including Blu-ray, DVD, ISO, MKV, Tivo, MP4, etc. to supported format of iPhone 6S Plus, and make video editing accoring to your need, like adding external subtitle, merging some videos into one video, video trimming, video cropping etc.

Free Download iFastime Video Converter Ultimate for Windows/Mac:


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Step 1 :  Add the video clips

Install and Launch iPhone 6S Plus Video Converter and simply click “Add video” button to import the video files from your hard drive. “Batch video conversion” and “merging videos” are supported.

Step 2: Choose output format

Click output format bar on the main interface, and then choose select “iPhone 6 Plus H.264 Full Screen/Full HD 1080P(*.mp4)” from “iPhone” to fit iPhone 6S Plus.


a. For better enjoying videos on iPhone 6S Plus, you can click “Settings” button to customize video and audio options, such as Video Codec, Video Bitrate, Audio Codec, Audio Bitrate, Audio Channel, Disable Audio, etc.

b. Edit feature is also available to use in this iPhone 6S Plus Video Converter, you can easily trim, crop, add watermark, adjust effect, add subtitle to the video, etc.

Step 4: Start converting videos to iPhone 6S Plus

Click “Start conversion” button to start converting videos. Nvidia CUDA and AMD APP acceleration technology is supported, so it can save much time for you if your computer running on a CUDA-enabled Graphics card, or an AMD graphics card.

Once the iPhone 6S Plus Video conversion is finished, you can click “Open” button to get the output files. Then connect your iPhone 6S Plus with computer, import output video or movie into your iPhone 6S Plus via iTunes, and just enjoy it!

Free Download or Purchase iFastime Video Converter Ultimate:


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