Yes, unless you’re upgrading from a very similar version. Always assume a factory reset is required. That’s why you should back up your config beforehand.
the device until the progress bar reaches 100% and the router reboots automatically. Troubleshooting & Maintenance Factory Reset v50749en tenda upgrade upd
: Make sure your device has a stable power supply during the upgrade process to prevent any interruptions. Yes, unless you’re upgrading from a very similar version