If your TV becomes unbearably slow after the final firmware update, consider a factory reset (Settings → Storage & Reset → Factory data reset). This clears the cache and gives you a fresh start on the latest firmware.
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If you haven't updated your firmware in the last 18 months, go check for an update today. You might be surprised how much faster your old Bravia feels. Firmware Tivi Sony 43w800c
Bật tivi và rút các thiết bị USB khác đang cắm trên tivi. Cắm USB chứa firmware vào cổng USB của tivi. If your TV becomes unbearably slow after the