VIVO X300 Secret Codes: Access Engineer Menu, IMEI, Diagnostics & More

Accessing Device Information with Secret Codes

• 💡 The VIVO X300 allows access to hidden information and testing menus using specific dialer codes.
• 🔑 IMEI and Serial Number: Dial *#06# to quickly retrieve your device's unique identification numbers.
• 📱 Software and Barcode Info: Use *#09# to check IMEI, barcode, software build version, and scan QR codes.

Engineer Menu and Hardware Testing

• ⚙️ Access the Engineer Menu by dialing *#558# for advanced testing and diagnostics.
• 🧪 Within the Engineer Menu, you can initiate OQC tests to check various hardware components like the email function, Bluetooth, and RTC time.
• ✅ Each test can be marked as 'normal' if it functions correctly, providing a simple pass/fail indicator.

Version and Testing Modes

• ℹ️ Dial *#*#25#*#* to enter the Version Test mode, which displays technical information including barcode, serial number, and secure boot numbers.
• 📶 The Testing Mode is accessed via *#*#4636#*#*, offering phone information, signal strength, and ping test capabilities.
• ⚠️ Be aware that some features in Testing Mode, like checking signal strength or enabling data connection, require a SIM card to be inserted.

Advanced Diagnostics and Wi-Fi Information

• 🔍 Use *#*#426#*#* to access Diagnostics, where you can check server host status and view events.
• 🌐 Within Diagnostics, the 'Advanced View' provides more detailed information on Wi-Fi, including network state, SSID, and the ability to run ping tests.
• 📊 You can also check Wi-Fi API configuration and refresh stats for current network details.