I have been granted my ILR back in Nov'18 (via Tier 2) and now in the process of applying ILR for my wife (currently on Tier 2 dependant).
I'm a bit confused after reading several posts in the forum

Thanks
ESC
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SET(O)
Thanks for the quick response Casa.
Eligibility for partners
Your current visa must be as a dependant on your partner’s tier 1, 2 or 5 visa.
If you got your current visa as your partner’s dependant after they settled in the UK, you must apply as the partner of a settled person instead.