You need a competent third-party app like AirDroid to access your Android phone remotely. To do that:
Step 1. Install AirDroid on the host device and sign up.
Step 2. Now, go to Me > Security & Remote Features, and enable " Remote Control."
Step 3. Then, install AirMirror on the host mobile and log in.
Step 4. Now, you'll be able to control the device.