Document and Entity Information |
12 Months Ended |
|---|---|
|
Dec. 31, 2025
shares
| |
| Document And Entity Information [Line Items] | |
| Entity Registrant Name | UTStarcom Holdings Corp. |
| Entity Central Index Key | 0001030471 |
| Document Type | 20-F |
| Document Period End Date | Dec. 31, 2025 |
| Amendment Flag | false |
| Current Fiscal Year End Date | --12-31 |
| Entity Well-known Seasoned Issuer | No |
| Entity Voluntary Filers | No |
| Entity Current Reporting Status | Yes |
| Entity Filer Category | Non-accelerated Filer |
| Entity Shell Company | false |
| Entity Emerging Growth Company | false |
| ICFR Auditor Attestation Flag | false |
| Entity Common Stock, Shares Outstanding | 9,186,976 |
| Document Fiscal Year Focus | 2025 |
| Document Fiscal Period Focus | FY |
| Entity Interactive Data Current | Yes |
| Document Annual Report | true |
| Document Transition Report | false |
| Document Shell Company Report | false |
| Document Registration Statement | false |
| Document Financial Statement Error Correction [Flag] | false |
| Entity Bankruptcy Proceedings, Reporting Current | false |
| Document Accounting Standard | U.S. GAAP |
| Entity File Number | 001-35216 |
| Entity Incorporation, State or Country Code | E9 |
| Entity Address, Address Line One | 4th Floor, South Wing |
| Entity Address, Address Line Two | 368 Liuhe Road, Binjiang District |
| Entity Address, City or Town | Hangzhou |
| Entity Address, Country | CN |
| Entity Address, Postal Zip Code | 310052 |
| Title of 12(b) Security | Ordinary Shares, $0.015 par value |
| Trading Symbol | UTSI |
| Security Exchange Name | NASDAQ |
| Auditor Firm ID | 1487 |
| Auditor Name | Grant Thornton Zhitong Certified Public Accountants LLP |
| Auditor Location | Shanghai, the People’s Republic of China |
| Auditor Opinion [Text Block] | Opinion on the financial statements We have audited the accompanying consolidated balance sheets of UTStarcom Holdings Corp. (a Cayman Islands corporation) and subsidiaries (the “Company”) as of December 31, 2025 and 2024, the related consolidated statements of comprehensive loss, changes in shareholders’ equity, and cash flows for each of the three years in the period ended December 31, 2025, and the related notes and financial statement schedules (collectively referred to as the “consolidated financial statements”). In our opinion, the consolidated financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2025 and 2024, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2025, in conformity with accounting principles generally accepted in the United States of America. |
| Business Contact | |
| Document And Entity Information [Line Items] | |
| Entity Address, Address Line One | 4th Floor, South Wing, 368 Liuhe Road |
| Entity Address, Address Line Two | Binjiang District |
| Entity Address, City or Town | Hangzhou |
| Entity Address, Country | CN |
| Entity Address, Postal Zip Code | 310052 |
| Contact Personnel Name | Investor Relations |
| City Area Code | 86-571 |
| Local Phone Number | 8192-8888 |
| Contact Personnel Email Address | UTSI-IR@utstar.com |