[***] 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 10.58

[Translation]

Loan Agreement

Contract
Number: 2001 ChaoLiuZi No.005

|Lender:               |  | China Merchants Bank, Beijing Branch, Chao Yang Men Subranch
|--------------------- |  | ------------------------------------------------------------
|Legal Representative: |  | Xiu Xiangqun                                                
|Address:              |  | No.6 ChaoYangMen Bei Da Jie, Dongcheng district, Beijing    
|Telephone:            |  | 85282361                                                    
|Borrower:             |  | UTStarcom (China) Co., Ltd.                                 
|Address:              |  | Fll No.6 ChaoYangMen Bei Da Jie, Beijing Beijing            
|Legal Representative: |  | Hong Lu                                                     
|Telephone:            |  | 65542030                                                    

WHEREAS:
Party A desires to borrow working capital loan from the Lender for business operation. In accordance with the related laws and stipulations, in consideration of the mutual
promise and to clarify the rights and obligations of each party, both parties agree to enter into this agreement and execute under this agreement.





During
the loan term, the interest rate will be adjusted in accordance with the provisions of the People's Bank in the event the People's Bank adjust the loan interest rate.



Interest
shall accrue from draw-down date and be calculated [***]. The due date is [***] of very month ("due date").



The
Borrower shall pay off [***] interest on the due date. The Lender have the right to deduct the interest from the Borrower's bank account in the
Lender. The Lender could collect compound interest in the event the Borrower fails to pay the interest on time.

---











2

---





In
case the Borrower could not to repay the loan under this contract and need to extend the loan, the Borrower shall apply to Party B for the extension of the loan within
[***] prior to maturity of the loan. The parties sign an extension loan agreement in written upon the approval of the Lender after the inspection made by the Lender. If the
Lender disagrees to the extension of the loan, the Borrower shall repay the principal and the interest in accordance with the stipulations set forth in this contract.



The
Borrower shall reimburse the Lender for [***] expenses in connection with [***]. The Lender is empowered to deduct the
[***] expense [***]. In the event that the money is not sufficient in the Borrower's account, the Borrower shall clear the balance upon the notice from
the Lender [***]





3

---



This
contract could be amended and terminated upon the written agreements conclude by the parties. The contract shall be effective before the written amendment is made. The contract
could not be changed, amended and terminated by one part without approval of the other part.







4

---



| |  | Lender: China Merchants Bank, Beijing Branch, Chao Yang Men Subranch
| |  | --------------------------------------------------------------------
| |  |                                                                     
| |  | (signature)                                                         
| |  | Borrower: UTStarcom (China) Co., Ltd.                               
| |  |                                                                     
| |  | (signature)                                                         

March
14, 2001

---

Translation Verification

The foregoing represents a fair and accurate English translation of the original Chinese document.

Dated:
May 11, 2001

| |  | By:    |  | /s/SHAO-NING J. CHOU                                                  
| |  | ------ |  | ----------------------------------------------------------------------
| |  | Name:  |  | Shao-Ning J. Chou                                                     
| |  | Title: |  | Executive Vice President and Chief Operating Officer, China Operations

---

QuickLinks