Often suggests frustration or dissatisfaction with the activity or job being given up.

Quitting Connotation

Implies a quick, possibly spontaneous decision to quit something.

Sudden Decision

It's conversational, fitting for informal chat rather than formal writing or speeches.

Specifically refers to connecting a device to a network or another device.

Used informally in tech communities; may not be understood in other settings.

Suggests the individual has the right or permission to connect, unlike 'hack into'.