1. How to distinguish between Unleashed and Solo in the same model
Ans>>>> Once you log in to the AP cli, it tells you the firmware type on it.
2. Firmware Differences Between Solo AP and Unleashed AP
Ans>>>>The Solo firmware starts with 11X.X.X.X , 10X.X.X.X while Unleashed firmware starts with 200.X.X.X.
To see feature difference you can follow the release note for them.
eg for Solo.
3. Role of Solo AP (Connect to Zone Director or Smart Zone, etc.)
4. How to convert from Solo AP to Unleashed AP
Ans>>>Login to the GUI of the AP with default user and password and from there you can upload the Unleashed firmware, which you can download from the support portal.
More FAQ for unleashed in the below link.
Staff Technical Support Engineer
CCNA RnS | CCNA Wireless | RASZA | Meraki CMNO | RACPA