Open the (sometimes called the "Stellar Store" or "6666" portal depending on the generation).
Rename the downloaded file to update.zip (if it is a zip file) and save it directly to the of the USB drive. Do not put it inside any folder. Phase 2: Flash the Firmware
Click the Check for Update button. The system will scan the official EVPAD servers.
If an update is available, click Download . Once downloaded, select Update Now .
: Firmware updates sometimes reset system settings. Ensure you have your login credentials for third-party apps.