Cool open 4.26 version upgrade system method
1. Select the upgrade package for your TV model and size, and click the "Download Now" button;
After the download is complete, copy the upgrade package to a USB flash drive; (be careful not to modify the filename of the upgrade package) Download
2. After inserting the U disk into the TV, press the Home button to open the "Media player."
3, press "OK" button to open the U disk;
4. Select the upgrade package in the U disk and click OK. The upgrade confirmation box will pop up.
Click the "OK" button and wait for the upgrade to complete.
Skyworth/Cooler 4.26 version upgrade method 1. Select the upgrade package for your TV model and size, and click the “Download Now†button;
After the download is complete, copy the upgrade package to a USB flash drive; (Be careful not to modify the filename of the upgrade package.)
2. After inserting the U disk into the TV, press the Home button to open the "System Upgrade";
3, press the right button, select "local upgrade"; interface will list the U disk upgrade package, select the official website to download the upgrade package, click the "upgrade" button;
4. In the pop-up upgrade confirmation box, click the "OK" button and wait for the upgrade to complete.
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