Upgrading from one outdated system to another (CIC) is a total waste of time and money.
Just pickup one of the countless Android screens that will give you an 8.8 inch display, along with wireless CarPlay and android auto. Costs a few hundred bucks, is totally plug and play, and will sort both your screen issue and offer modern connectivity.
For example:
https://a.aliexpress.com/_mtqCGmP