Hi guys ,like i write in the title i want to upgrade my navigation display from old one to new version ,i have talisman sedan from 05.2020,i don't have wireless carplay or android auto ,new update from maps ,etc,i found on ebay some navi from megane 4(i think it's talisman phase2) and i want to buy,i heard that i need to upgrade and multimedia unit radio ,i don't know exactly, and i want to change in future and speedometer, also from phase2. Can someone help me with some info,if it's a good ideea or not,why? etc if it's compatible with my car. Thank you and have a good night. 