CD-021 ISP Problem in Oneplus 7 and 7 Pro While WiFi Calling
The CD-021 ISP problem is a frequent bug that prevents Oneplus 7 and 7 Pro buyers from making WiFi calls. Issues with the Internet Service Provider (ISP) are the root cause of this problem and can result in poor call quality, call dropouts, and other call-related problems. In this article, we’ll talk about the CD-021 … Read more