Network Info Tool is a very useful app which helps you in finding several details about your device, sim and your network. Takes very less storage and permissions and the best part, its FREE!

Features:
# Material Design
# Device Info
# Network Info
# Device ID
# Less permissions
# Android 6.0 compatible

Note: On Android 6.x if the app fails to launch then please enable the app permissions manually from your Android 6.x running device. This function is still in Beta.