Currently, the Blink XT cameras are for North America and certain European countries only. We are working hard to release this product in all other countries where Blink is available. Due to the Blink XT cameras being region based - any XT cameras taken outside of these areas will not work. The hardware will not match the existing hardware of an international Blink system. (North American cameras are meant to work with a North American Sync module, etc).
We are going through the process at this time to release the Blink XT in as many countries as possible. This can take time to get the product certifications and pass all regulations for each new country.
We can not provide replacements due to a region mis-match. We can only replace like for like, meaning North American hardware for North American hardware, or EU hardware for EU hardware.