Exhibit 15.4

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (No. 333-187074, No. 333-215742, No. 333-229099 and No. 333-234003) of JOYY Inc. of our report dated April 29, 2022 relating to the financial statements, which appears in this Form 20-F.

/s/ PricewaterhouseCoopers Zhong Tian LLP Guangzhou, the People’s Republic of China

April 27, 2023