* With the original file name, and with the name modified "update.zip". * Reboot my PC and device. * Used the Ccleaner. * With Adm CMD * Leaving and entering the address where are the drivers and the file, with the CMD * Typing: adb kill-server.

I have a problem with my 3T. I wanted to go back to stock by sideloading the current 4.0.3 version but it says cannot read .zip?! I renamed it and tried it another folder but that will not work either. A few days ago everything worked without complication

To test things out (before manually installing any drivers), I opened up the Command Prompt again and tried the ADB Sideload command and it instantly started to load the OTA update ZIP file. If it doesn’t for you, or if Windows doesn’t install the USB