In order to hard reset a Cect V165, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Cect V165 device will be brought back to the default configuration of a brand new device.
1. Switch on the device. Tap in *#6810#, press Call Button.
2. Afterwards, type in *#337#. Press Call Button.