'Moving from ILR to eVisa' making no sense. An eVisa is simply the digital
proof or confirmation of your visa/immigration status. The eVisa simply replaced old ILR stickers and BRPs. If you have an old ILR sticker in a passport, you need to apply for NTL application and you will be issued a digital status (eVisa) which will show that you have ILR. ILR is your status under the rules and stands for
indefinite leave to remain, meaning that it is permanent and has no expiry.
If you have indefinite leave to enter or indefinite leave to remain (also known as settlement or settled status) and you currently prove your rights through a different type of physical document, such as a wet-ink stamp in your passport or a vignette sticker, then you should make a free ‘no time limit’ (NTL) application. Once your NTL application is decided, you will receive an eVisa. You will be told how to access your eVisa in your decision email or letter.
See:
https://www.gov.uk/guidance/online-immi ... atus-evisa
Advice is given based on my personal research and experience only. Do NOT contact me via private message for immigration advice