Detecting remote spyware involves observing unusual phone behavior. Key warning signs include rapid battery drain, unexplained data usage spikes, and a significant slowdown in performance. Your device might also show unusual activity like random reboots, strange noises during calls, or new, unfamiliar apps appearing.
To check, review your app list for unrecognized programs, scrutinize app permissions for anything excessive, and monitor background data usage. Keep an eye on pop-ups or redirects in your browser. For a comprehensive detection and monitoring solution, consider using Spynger.