Ultimate List of Android Secret Codes: Network, Battery, Hardware & Hidden Diagnostics - USSDCodes #AndroidSecrets #HiddenCodes #USSDCodes #Redmi13 #XiaomiTips #SamsungHiddenFeatures #BatteryTest #NetworkInfo #HardwareTest #TechTips #khabarface2face ────────────────────────────── 📱 ANDROID SECRET / HIDDEN CODES (Full Reference) ────────────────────────────── These codes are used for testing, diagnostics, and system information on Android devices. Dial these codes directly in your phone dialer (without pressing the call button unless required). ⚠️ Use only safe codes if you’re not a technician. Some may reset or erase your data. ────────────────────────────── A. GENERAL ANDROID SECRET CODES ────────────────────────────── *#*#4636#*#* → Opens “Testing Menu” – Network, battery, usage, and Wi-Fi information. *#*#7780#*#* → Factory data reset (soft reset – removes apps and data, keeps system files). *2767*3855# → Hard reset (complete factory ...