Please if anyone has any ideas on whether she's able to apply for ilr based on her mum's settlement status is be very grateful

Good morning. I need some advice please as to whether my step daughter who is 11 years old can now apply for settlement in the UK. Mum and step daughter both Thai. I'm a British citizen. My wife has a sole custody document for her and the father left my wife before the daughter was born. My wife has ...