FCC ID: IHDT56ZW6 Mobile Phone

Date: June 3, 2022 Federal Communications Commission Office of Engineering and Technology Laboratory Division 7435 Oakland Mills Rd. Columbia, MD 21046 SUBJECT: Class II Permissive Change for FCC ID: IHDT56ZW6 Dear Examiner, This is to request a Class II Permissive Change for FCC ID: IHDT56ZW6, Model:

XT2159-1, XT2159-2 (approval date: 08/26/2021) The change filed under this application is:

Change the CPU chip which the new chip component is pin-for-pin compatible, has the same basic function and no change in radio parameters has occurred, also the same conditions apply with the same area of the PCB is replaced with an equivalent chip. Add a new model name: XT2159-10 Except for the change above, no other modification is performed. Also, the change does not have any impact on the approved radio parameter. If you have any questions regarding this application, please feel free to contact me. Sincerely, Jeff Narducci Director, Global Regulatory Compliance narducci@motorola.com Motorola Mobility LLC 222 W. Merchandize Mart Plaza, Chicago Il US www.motorola.com

Federal Communications Commission Office of Engineering and Technology Laboratory Division 7435 Oakland Mills Rd Columbia MD 21046-1609 Subject: Request for Confidentiality FCC ID: IHDT56ZW6 Date: June 1, 2022 To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commissions rules (47 CFR 0.457, 0.459), we are requesting confidentiality for exhibits filed with the commission supporting the application of equipment authorization for those items referenced above. Motorola Mobility respectfully requests the Commission to withhold indefinitely from public disclosure the following attachments under Long-Term Confidentiality. Part List The above listed documents contain detailed system and equipment descriptions that are proprietary and confidential information under Motorola trade secret protection. Public disclosure of above documents would be harmful to our company and would provide competitors an unfair advantage. This information is not made publicly available even after commercial release of the device. It is our understanding that all measurement test reports, FCC ID label format and correspondence during certification review process cannot be granted as confidential documents and that information will be available for public review once the grant of equipment authorization is issued. Sincerely, Jeff Narducci Director, Global Regulatory Compliance narducci@motorola.com Motorola Mobility LLC 222 W. Merchandize Mart Plaza, Chicago Il US www.motorola.com

Date: June 1, 2022 To whom it may concern, Please be notified that I, Jeff Narducci, have designated Jones Tsai of Sporton International Inc. as the persons being responsible for this project and to sign the form 731 and other documentation. Any and all acts carried out in their professional capacity by Jones Tsai of Sporton International Inc. in connection with all processes required for FCC approval and any communication needed with the national authority, shall have the same legal authority as acts on our own behalf. We further certify that neither the applicant nor any party to this application, as defined in 47 CFR Ch. 1.2002 (b), is subject to a denial to Federal benefits, that include FCC benefits, pursuant to section 5301 of the Anti-Drug Abuse Act of 1998, 21 U.S.C. 862. This authorization is limited to the following product, and shall remain in place until completion of the certification, or until revoked, whichever is earlier:

FCC ID: IHDT56ZW6 If you have any acknowledgement and response, please send it to Sporton International Inc. directly. Should you have any questions or comments regarding this matter, please dont hesitate to contact me. Sincerely yours, Jeff Narducci Director, Global Regulatory Compliance narducci@motorola.com Motorola Mobility LLC 222 W. Merchandize Mart Plaza, Chicago Il US www.motorola.com