Gather the following items:
If your TV is functional but you want to force a USB update:
| Pros | Cons | |------|------| | Fixes boot loops and bricked TVs | Requires exact firmware match | | Bypasses broken Wi-Fi | Can permanently brick TV if done wrong | | Lets you install older stable versions | Void warranty if you use unofficial firmware | | No internet needed | Takes ~45 minutes |
Recommendation: Only perform a Hisense firmware update via USB if:
If your TV works fine but is just slow, try clearing cache (Settings > Storage > Cached Data) before resorting to USB flashing.