UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. 2)*

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. ☐

Note: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See §240.13d-7 for other parties to whom copies are to be sent.

^* The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

(1)

Represents: (i) 20,846,768 Ordinary Shares and 1,709,775 American Depositary Receipts ("ADRs"), par value $0.0005 per share of China Digital TV Holding Co., Ltd. (the "Ordinary Shares") held by Smart Live Group Limited ("Smart Live"), a company incorporated under the laws of British Virgin Islands. Smart Live is owned 100% by vote and value by Firstvision Limited, a company incorporated under the laws of the Commonwealth of the Bahamas. Firstvision Limited is owned 100% by vote and value by The Scott Zhu Trust which is an irrevocable trust valid under the laws of the Republic of Singapore. Mr. Jianhua Zhu ("Mr. Zhu") is the settlor of The Scott Zhu Trust. On January 5, 2018, Smart Live purchased 10,423,393 Ordinary Shares from Polar Light Group Limited ("Polar Light").

(2)	Represents 155,418 Ordinary Shares of the Issuer held by China Cast Investment Holdings Limited ("China Cast"). Each of Polar Light and Smart Live held 50% of the equity interest of China Cast.

(3)	The percentage used herein is calculated based upon 63,508,656 Ordinary Shares of the Issuer that were issued and outstanding as of September 30, 2017 (as disclosed in the Issuer's current report on Form 6-K filed with the Securities and Exchange Commission on November 14, 2017).

(1)

Represents: 1,962,376 ADRs of the Issuer held by Polar Light, a company incorporated under the laws of British Virgin Islands. Polar Light is owned 100% by vote and value by Firestone Investments Limited, a company incorporated under the laws of the Commonwealth of the Bahamas. Firestone Investments Limited is owned 100% by vote and value by the L&C Family Trust which is an irrevocable trust valid under the laws of the Republic of Singapore. Mr. Zengxiang Lu ("Mr. Lu") is the settlor of the L&C Family Trust. On January 5, 2018, Polar Light sold 10,423,393 Ordinary Shares to Smart Live.

(2)	Represents 155,418 Ordinary Shares of the Issuer held by China Cast. Each of Polar Light and Smart Live held 50% of the equity interest of China Cast.

(3)	The percentage used herein is calculated based upon 63,508,656 Ordinary Shares of the Issuer that were issued and outstanding as of September 30, 2017 (as disclosed in the Issuer's current report on Form 6-K filed with the Securities and Exchange Commission on November 14, 2017).

Item 1.  Security and Issuer.

This Amendment No. 2 to Schedule 13D hereby amends and supplements the statements on Schedule 13D filed by the reporting persons with the U.S. Securities and Exchange Commission (the "SEC") on May 4, 2017 related to the Ordinary Shares and ADRs of China Digital TV Holding Co., Ltd., an exempted limited liability company organized under the laws of the Cayman Islands (the "Issuer"). The principal executive office of the Issuer is Jingmeng High-Tech Building B, 4^th Floor, No. 5 Shangdi East Road, Haidian District, Beijing, China.

Item 2.  Identity and Background.

This Statement is filed jointly by (i) Firstvision Limited, (ii) Credit Suisse Trust Limited as trustee for The Scott Zhu Trust, (iii) Firestone Investments Limited, and (iv) Credit Suisse Trust Limited as trustee for The L&C Family Trust.  The reporting persons are making this single, joint filing, although neither the fact of this filing nor anything contained herein shall be deemed to be an admission by the reporting persons that a group exists.

The principal business of Firstvision Limited is to hold securities in Smart Live, an entity whose principal business is to hold the Ordinary Shares in the Issuer. The principal business of Firestone Investments Limited is to hold securities in Polar Light, an entity whose principal business is to hold the Ordinary Shares in the Issuer. The principal business of Credit Suisse Trust Limited is to act as the trustee for each of (i) The Scott Zhu Trust and (i) The The L&C Family Trust for the benefits of certain family members of the settlors of these trusts (i) Mr. Zhu and (ii) Mr. Lu, respectively.

The principal business address and the principal office address of each of Firstvision Limited and Firestone Investments Limited is The Bahamas Financial Centre, Shirley and Charlotte Streets, P.O. Box N-3023, Nassau, Bahamas. The principal business address and the principal office address of Credit Suisse Trust Limited is 1 Raffles Link #05-02, Singapore 039393.

During the last five years, none of the reporting persons has been convicted in a criminal proceeding.

During the last five years, none of the reporting persons has been a party to a civil proceeding or a judicial or administrative body of competent jurisdiction and as result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.

Item 3.  Source or Amount of Funds or Other Consideration.

On January 5, 2018, Smart Live and Polar Light entered into a Share Purchase Agreement (the "SPA"). Pursuant to the SPA, Smart Live agreed to purchase from Polar Light and Polar Light agreed to sell to Smart Live an aggregate amount of 10,423,393 Ordinary Shares for an aggregate consideration of US$5,732,866.15 in cash, representing a per Ordinary Share price of US$0.55.

Smart Live will use available cash to purchase the above referenced shares, and no borrowed funds will be used in connection with such purchase.

The SPA was filed as an exhibit to Amendment No. 2 to Schedule 13D filed by Smart Live and Mr. Zhu with the SEC on January 5, 2018 in relation to the Ordinary Shares of the Issuer. Reference is made to such exhibits for the complete terms of the SPA; these exhibits are incorporated herein by reference.

Item 4.  Purpose of Transaction.

The reporting persons might be regarded as beneficial owners of the Ordinary Shares and ADRs by virtue of the transactions described in Item 3 above. This is due to the fact that (i) Firstvision Limited owns 100% by vote and value of Smart Live and (ii) Firestone Investments Limited owns 100% by vote and value of Polar Light. Firstvision Limited is owned 100% by vote and value by The Scott Zhu Trust and Firestone Investments Limited is owned 100% by vote and value by the L&C Family Trust. Credit Suisse Trust Limited acts as the trustee for each of (i) The Scott Zhu Trust and (ii) The The L&C Family Trust. Hence, the Ordinary Shares and ADRs may be regarded as being beneficially owned by the reporting persons. According to the reporting persons' knowledge, Smart Live agreed to purchase the Ordinary Shares and ADRs of the Issuer referenced in Item 3 above from Polar Light because it believes that the securities represented and continue to represent an attractive investment.

Except as set forth in this Schedule 13D, the reporting persons do not presently have any additional plans or proposals that relate to or would result in any of the transactions, events or actions described in subparagraphs (a) through (j) of Item 4 of Schedule 13D.

Item 5.  Interest in Securities of the Issuer.

(a) As of the date hereof, Firstvision Limited and Credit Suisse Trust Limited as trustee for The Scott Zhu Trust, each beneficially owns, in the aggregate, 22,634,270 Ordinary Shares, consisting of (i) 20,846,768 Ordinary Shares, (ii) 1,709,775 ADRs and (iii) 155,418 Ordinary Shares of the Issuer held by China Cast, of which each of Smart Live and Polar Light owns 50% of the equity interest. The beneficially owned Ordinary Shares represent, in the aggregate, approximately 35.64% of the total number of outstanding Ordinary Shares of the Issuer.

As of the date hereof, Firestone Investments Limited and Credit Suisse Trust Limited as trustee for The L&C Family Trust, each beneficially owns, in the aggregate, 2,040,085 Ordinary Shares, consisting of (i) 1,962,376 ADRs and (ii) 155,418 Ordinary Shares of the Issuer held by China Cast, of which each of Polar Light and Smart Live owns 50% of the equity interest. The beneficially owned Ordinary Shares represent, in the aggregate, approximately 3.21% of the total number of outstanding Ordinary Shares of the Issuer.

The percentages reported in this Schedule 13D/A are based upon the 63,508,656 Ordinary Shares of the Issuer that were issued and outstanding as of September 30, 2017 (as disclosed in the Issuer's current report on Form 6-K filed with the SEC on November 14, 2017).

(b)

(c) See Item 3 above.

(d) Not applicable.

(e) Not applicable.

Item 6.  Contracts, Arrangements, Understandings or Relationships with Respect to Securities of the Issuer.

The Share Purchase Agreements

The SPA provides that Polar Light sells to Smart Live an aggregate amount of 10,423,393 Ordinary Shares of the Issuer for an aggregate consideration of US$5,732,866.15 in cash, representing a per Ordinary Share price of US$0.55..

Item 7.  Material to Be Filed as Exhibits.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Dated: January 9, 2018

In accordance with Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby confirm the agreement by and among them to the joint filing on behalf of them of a Statement on Schedule 13D (including any and all amendments thereto) with respect to the Ordinary Shares, par value $0.0005 per share, of China Digital TV Holding Co., Ltd., a company organized under the laws of the Cayman Islands, and that this agreement may be included as an exhibit to such joint filing.

IN WITNESS WHEREOF, the undersigned hereby execute this Agreement as of January 9, 2018.