Check each platform’s current bandwidth guidance
Bitrate varies by platform, codec, and title, so no single bandwidth figure can guarantee playback of all 4K content. Streaming services may also adjust bitrate on the fly. Since the available facts don’t specify a bandwidth cap or platform minimum, this page doesn’t set a universal threshold. Check the platform’s help documentation and see whether your device can sustain the desired quality.
A fast peak speed test doesn’t rule out buffering. Common causes include fluctuating throughput, packet loss, local Wi-Fi interference, or a different route for video delivery than for the speed test. Compare routes on the same device and title, and pause background downloads and syncs. If possible, compare a wired connection with Wi-Fi to rule out local network issues.
Dolby Vision isn’t just a speed tier
Dolby Vision is an HDR display and content format. The title, subscription, playback app, device decoding, and display must all be compatible. With an external player, output settings and the connection can also affect format negotiation. A network connection only provides the conditions for data transfer; it can’t make an unsupported title or screen Dolby Vision compatible.
If playback is stable but the expected quality badge doesn’t appear, first check whether the platform supports your device and app, then review account quality settings, system display options, and the title’s details page. Browser and native app quality limits may differ. Repeatedly changing regions usually won’t fix device decoding or content-protection issues.
Choose a data plan for how you watch
Data use varies with video quality, encoding, and viewing time, so a plan can’t be converted into a fixed number of streaming hours. VPNMH monthly plans are ¥9.9/month for 60GB, ¥18/month for 250GB, and ¥28/month for 500GB. Data resets monthly on the activation date; mid-cycle upgrades are prorated for the remaining days. Data add-ons stay valid indefinitely until used. See the plans page for all options and terms.