My PI 3 is currently running NOOBS on a Class 10 SD-Card.
I see multiple guides online, however I cannot find one that doesn't involve formatting the SD-Card.
I want to dual-boot another OS like Kali or Android (Emteria), aside from NOOBS.
I do non want to format the card in order to preserve the current OS instillation
How can I install another OS aside from my current one without formatting all the data and the OS installed?