[abc1411]

Download & Install from Google Play Store:
Android Network Info
Android 3.0.x or above required (API 11+)

Description:
This is a simple tool to check the current connection status of your android devices.

Feature Overview:
- One click to copy hostname, IP address, Device ID..... to the clipboard
- Display hostname, local IP & external IP
- Detect Proxy setting
- Display Wi-Fi status and info, such as Wi-Fi speed and strength, Wi-Fi security, mac address, DHCP server information, Wi-Fi Access Point
- Display Cellular status and info, such as phone number, service provider, Device ID, SIM card information

[abc1411]

Version 1.1
- Android 3.0.x or above required (API 11+)

- UI improvement:
# Support swipe page.
# Fixed tab icon cannot be displayed for Android 4.x or above.
# Fixed wrong descriptions for Wi-Fi status and cellular network type.

- New features:
# Auto refresh information when network status changed.
# Added Wi-Fi Access point information.

[sjalexandre]

I think utility apps such as this one are great to better insight into what your phone is doing behind the scenes and being able to troubleshoot network/cellular issues. Will check it out. Good luck!