The supplied Pro Max APK declares Android 6.0, API level 23, as its minimum Android version. A device running an older Android release does not meet that declared requirement. A newer release meeting the minimum still needs practical compatibility checks for installation, remote navigation and playback. Read the Android release rather than a firmware build number or the player version. For Fire TV, use Amazon's platform mapping, because a Fire OS number is not the equivalent Android release.
Read the real software version
Use the device’s About screen rather than judging by its purchase date or a 4K badge. Old devices can remain on old Android versions despite receiving minor manufacturer updates. Record the Android release and full device model from the same device that will run the player. A manufacturer firmware number may contain a larger digit without indicating a newer Android version. If you are using an HDMI box, inspect the box's About screen instead of the television's software information; those are independent installation targets.
Minimum is a floor, not a guarantee
The minimum API level tells Android which platform versions the package accepts. It does not prove that a particular TV model, DRM system, decoder or remote control works with every part of the application. After confirming the platform floor, test whether the package installs, the remote can reach every necessary control and an authorised source plays correctly. A successful installer check only proves that certain package requirements were accepted. Picture decoding, audio output and input handling still depend on the actual hardware, firmware and media being used for that session.
Do not disguise an incompatible device
Changing a filename or using a different downloader does not lower the application’s minimum Android requirement. Use a genuinely compatible device or a supported alternative player. Check for an official manufacturer system update before ruling out the device. An app update cannot upgrade Android itself. If the platform remains too old, keep any existing working configuration while arranging a supported alternative. Do not remove a usable player solely because another download claims to bypass the declared minimum without evidence from its publisher.
A practical sequence
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An example to work through
A box running Android 5.1 remains below the supplied APK’s minimum even if its packaging advertises 4K video output. Check the box's About screen, not its sales label. If no supported system upgrade reaches the minimum, use a compatible device or another documented player rather than retrying the same package.
Questions about this topic
Does Android 6.0 or later guarantee every feature?
No. The declared minimum is one compatibility requirement, not a complete device test.
Can I rename the APK to make it support Android 5?
No. Renaming a file does not change its manifest or application code.

