ULEFONE Armor 21: Accessing Secret Codes for Device Info and Diagnostics

Accessing Secret Codes on ULEFONE Armor 21

• 📱 The video demonstrates how to use secret dialer codes on the ULEFONE Armor 21 to access hidden device information and diagnostic menus.
• 🔑 To begin, open the phone's dialer and enter specific codes starting with asterisk and pound symbols.

Essential Device Information

• 🆔 Entering *#06# provides IMEI numbers and the serial number of the device, offering quick access to essential identification details.
• ⚖️ The code *#07# opens regulatory labels, displaying important compliance information.

Calendar and Diagnostics Menus

• 📅 Using *#*#25#*#* accesses the calendar info screen, where you can view the total number of events gathered in one place, including holidays and mail-attached events.
• ⚙️ The code *#*#426#*#* opens the diagnostics menu, showing details like server host, port, and connection time. Advanced views offer further information such as heartbeat and ping status.

Testing Menu and Usage Statistics

• 🧪 The code *#*#4636#*#* leads to the testing menu, which provides information on phone status, Wi-Fi, and usage statistics.
• 📶 Within the phone info section, you can see details like IMEI, data service, voice service, and signal strength (requires SIM card insertion).
• 📊 The usage statistics section displays a list of apps with their usage time, sortable by time, last used, or app name. Wi-Fi information includes API configuration and status, with the ability to run ping tests.