[***] CERTAIN INFORMATION IN THIS EXHIBIT HAS BEEN OMITTED AND FILED SEPARATELY WITH THE COMMISSION. CONFIDENTIAL TREATMENT HAS BEEN REQUESTED WITH
RESPECT TO THE OMITTED PORTIONS.

Exhibit 10.56

ASSIGNMENT AGREEMENT

This
Assignment Agreement (the "Agreement") is entered into as of the 24th day of July, 2000 (the "Effective Date") by and among UTStarcom, Inc., a Delaware company, with its
principal place of business at 1275 Harbor Bay Parkway, Suite 100, Alameda, California 94502 ("UTStarcom") and Stable Gain International Limited, a British Virgin Islands company, with its principal
place of business at 8/F Baskerville House, 22 Ice House St. Central, Hong Kong ("Stable Gain").

RECITALS

WHEREAS,
UTStarcom desires to receive from Stable Gain an assignment of all Intellectual Property Rights (as defined below) of Stable Gain to the Technology (as defined below) and
Stable Gain desires to assign to UTStarcom all of its Intellectual Property Rights to the Technology in accordance with the terms and conditions of this Agreement.

NOW,
THEREFORE, in consideration of the foregoing and the mutual representations, warranties and agreements contained herein, the parties hereto agree as follows:

1.DEFINITIONS.



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2.Assignment of Rights.



3.PAYMENTS.



4.REPRESENTATIONS AND WARRANTIES.



2

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5.RESTRICTIONS ON STABLE GAIN.

3

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6.STABLE GAINS' REPRESENTATIONS WITH REGARD TO THE SHARES.

In
connection with Stable Gain's acquisition of the Shares, Stable Gain hereby represents and warrants to UTStarcom as follows:



4

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5

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"THE
SHARES REPRESENTED BY THIS CERTIFICATE MAY NOT BE OFFERED OR SOLD BY THE HOLDER HEREOF EXCEPT: (A) IF THE OFFER OR SALE IS WITHIN THE UNITED STATES OR TO OR FOR THE ACCOUNT OF A U.S.
PERSON (AS SUCH TERMS ARE DEFINED IN REGULATION S UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE "ACT")), THE SECURITIES ARE OFFERED AND SOLD PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT OR
PURSUANT TO RULE 144 UNDER THE ACT; OR (B) IF THE OFFER OR SALE IS OUTSIDE THE UNITED STATES AND TO OR FOR THE ACCOUNT OF OTHER THAN A U.S. PERSON."

7.INDEMNIFICATION AND ESCROW.



6

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7

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8.CONFIDENTIALITY.



8

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9.GENERAL.



9

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IN
WITNESS WHEREOF, the parties hereto have entered into this Agreement as of the date first written above.

10

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|UTSTARCOM, INC. |  | STABLE GAIN INTERNATIONAL LIMITED
|--------------- |  | ---------------------------------
|By:             |  |                                  
|                |  |                                  
|Print Name:     |  |                                  
|                |  |                                  
|Title:          |  |                                  
|                |  |                                  
|                |  |                                  
|                |  |                                  
|                |  |                                  
|                |  |                                  

11

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EXHIBIT A

Technology



12

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EXHIBIT B

Deliverables

Stable Gain Deliverables:

13

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EXHIBIT C

Shares

|Purchaser Price |  | Average Share Price |  | Shares
|--------------- |  | ------------------- |  | ------
|[***]           |  | [***]               |  | [***] 

14

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