All smartphones can be infected, and surveilled/controlled without pressing/downloading anything malicious. Israeli "security" companies (NSO among others) have been selling this malware for many years, to intelligence depts. Around the globe. Probably what got Khashoggi back when.
https://bdsmovement.net/Global-Day-Action-Against-Spyware (I don't have any dog in the Palestine/Israel conflict, and am very poorly informed on the matter).