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RTINGS Home Theater/YouTube Unfortunately, manufacturers have yet to fully eradicate image retention. Several major display makers, such as LG , Samsung and Sony, host webpages coaching users on how to prevent burn-in. Phone manufacturers that deploy OLED screens, such as Google and Apple, also warn users about the potential for image retention. As LG reminds its users on its website, "it is possible to create image retention in almost any display if one really tries hard enough." It is important to stress that burn-in won't likely occur after just a few hours. Rather, tests indicate that perm

Pexels: Jakub Zerdzicki As per the Wi-Fi Alliance, MLO "allows devices to transmit and receive data simultaneously over multiple links for increased throughput, reduced latency, and improved reliability." The catch, however, is that true simultaneous MLO isn't really available in most routers, as RTINGS found after testing 25 of them in February 2026. True simultaneous MLO requires multiple physically independent radios syncing perfectly and transmitting and receiving on separate bands at the same time. What most of these routers do is alternate the bands they use, which can lead to fluctuatin