Online update (recommended): go to Management > Upgrade, set Update Type to Online Update, and click Update.
Manual update: download the firmware file (.bin) for the 5GROUTERBE7200 from www.strong.tv. Go to Management > Upgrade, set Update Type to Manual Update, select the file, and click Update. The process takes 5–10 minutes.
Warning: Never disconnect power during a firmware update. Always verify the file is specifically for the 5GROUTERBE7200 model.