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MHL Authorized Test Centers (ATC)


Simplay Labs, LLC



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Adopter membership is open to companies that want to build products implementing the latest MHL specification. If you would like to request an Adopter Agreement, please complete and submit the form below with all of the required information.

  • Print and sign two copies of the agreement.
  • Return two hard-copies of the signed agreement to MHL, LLC.
  • Upon receipt of your signed agreement, we will issue an invoice within 24hrs.
  • Payment is accepted in the form of check, wire transfer, or automated clearing house (ACH).
  • Once payment is confirmed you will receive an email with your Adopter ID and password to log into the MHL Adopter Extranet.
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(Please select all that apply.)

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Contact Information

1140 East Arques Avenue, Suite 800
Sunnyvale, CA 94085