While are largely discontinued or listed as "no longer available in new condition" at Best Buy , you can still find several third-party aftermarket options and listings through Best Buy Marketplace. Recommended Options at Best Buy
: Older Samsung devices (like the Galaxy S3 through S5) use a unique 11-pin Micro-USB connector. Standard 5-pin MHL adapters found on sites like AliExpress will not work unless they include a specialized 5-pin to 11-pin converter.
: This all-in-one 6-foot cable is compatible with older flagships like the Galaxy S5, S4, and S3. It mirrors the screen directly to an HDTV without requiring a separate HDMI cord.
: Occasionally available as Open-Box or Refurbished, this official 11-pin adapter is the most reliable for historical compatibility with the Galaxy S5 and Note 3. Critical Compatibility Note
: A popular marketplace choice designed specifically for legacy Samsung Galaxy Note tablets and phones. It supports 1080p resolution and includes an extra USB port for charging while in use.
: MHL technology was phased out starting with the Galaxy S6 and later models . If you have a newer Samsung device (S8 or later), you will need a USB-C to HDMI adapter instead. Samsung - Micro USB-to-HDMI Adapter - White