I am certain this can't be unlocked to use with an alternative provider @zazagagnidze , the device was made for Vodafone V home, and the service was discontinued July this year when all devices would no longer work. There was a section for V home and smart tech support on the website but this has now been deleted.
Unfortunately, it looks like you will need to permanently retire the device.
edited to add: I am sure this will be read by the Social Team who will be able to give you a definite answer.
A further edit: @zazagagnidze
If you have a smart phone, you can manage smart devices from your phone, just download the smart things App and register the devices you wish to add. This may well be your solution.
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