Why do you still need to hold ICO if you have working platform already? You can use the funds generated from your 10000+ sim cards that you sold and more than possibly you have private investors on this project. ICO is not a thing anymore so I don't know if you can achieve your financial targets on this crowdsourcing strategy.
let's see how this project will work. But the fact that the team has been showing good results since 2017 is very important.