📱 Ultimate & Exhaustive Mobile Codes Collection (USSD & Secret Commands)

---

🔗 General USSD Commands (Works Across Most Networks)

• #06# 📋 View device IMEI (unique identifier).
• *#07# 🛡️ Check device radiation levels (SAR).
• *#21# 🔍 View call forwarding settings (all types).
• ##21# 🚫 Disable all call forwarding.
• *67[number] 🚫 Divert calls when busy.
• *62[number] 📡 Forward calls when unreachable.
• *61[number] 📞 Forward calls after delay.
• ##002# ❌ Deactivate all types of call forwarding.
• *31# 👁️ Hide your number for outgoing calls.
• #31#[number] 🙈 Temporarily hide your number for one call.
• *#43# ✅ Activate call waiting.
• #43# 🔄 Deactivate call waiting.
• *#43* 🔍 Check call waiting status.
• #33*PIN# 🔒 Block all outgoing calls.
• *33*PIN# 🔓 Unblock all outgoing calls.

---

🤖 Secret Android Codes

🔋 Power & Battery Codes

• *#*#4636#*#* 🔋 Detailed battery usage and status information:
  • Health, voltage, temperature, etc.
• *#0228# 🔌 Check detailed battery status (Samsung).
• *#*#0842#*#* 📳 Test vibration and backlight.

📡 Network & Connectivity Codes

• *#*#197328640#*#* 🛠️ Service Mode (diagnostics and testing).
• *#*#232338#*#* 🌐 View WiFi MAC address.
• *#7465625# 🔒 SIM lock status (Carrier Lock Check).
• *#*#7780#*#* 🔄 Reset device settings (without erasing data).
• *#*#2663#*#* 🔧 Check firmware version for touch controllers.
• *#*#27663368378#*#* 📶 Access Engineering Mode for network settings.

📸 Camera & Display Codes

• *#*#34971539#*#* 📸 Detailed camera version info:
  • Firmware update or reinstallation.
• *#*#0*#*#* 🌈 Test LCD display (color, brightness, etc.).
• *#*#2664#*#* ✋ Touchscreen test mode.
• *#*#232331#*#* 🔵 Bluetooth diagnostic tool.

📲 App & Usage Diagnostics

• *#*#759#*#* 🧩 Google Play Services debugging tool.
• *#*#8255#*#* 🔧 Google Talk Service monitor.
• *#*#273283*255*663282*#*#* 📂 Backup all media files to internal/external storage.

📡 Advanced Signal & GPS Codes

• *#*#1472365#*#* 📡 GPS diagnostics and accuracy tests.
• *#*#1575#*#* 🌍 Advanced GPS settings and testing.
• *#*#7262626#*#* 📶 Field test mode for signal strength.
• *#*#232337#*#* 🔄 View device Bluetooth address.

---

🍎 iPhone Secret Codes

📡 Signal & Carrier Codes

• *3001#12345#* 📶 Field Test Mode for advanced signal details:
  • Displays dBm instead of bars.
• *#5005*7672# ✉️ Check SMS service center number.
• *3370# 🎙️ Activate Enhanced Full Rate (EFR) mode for improved call quality.
• *#31# 🙈 Hide Caller ID for outgoing calls.

⚙️ Device & Network Info

• *#06# 📋 Display device IMEI.
• *#3282# 📊 View usage statistics and data info.
• *#76# 📞 Check connected line presentation status (CLIP).
• *#62# 📡 Check call forwarding for unreachable scenarios.
• *#67# 📞 View call forwarding settings for busy lines.

---

🌐 Mobile Carrier-Specific USSD Codes

📡 Verizon (USA)

• *611 📞 Contact Verizon Customer Service.
• #3282 📊 View data usage.
• *86 🎙️ Access voicemail.

📡 AT&T (USA)

• *3282# 📊 Check remaining data balance.
• *646# 📞 Check remaining minutes.
• *225# 💵 Account balance and payment details.

📡 T-Mobile (USA)

• #932# 📊 Check mobile data usage.
• #225# 💵 Billing and payment menu.
• #646# 📞 View remaining minutes.

🌍 Global (General)

• *100# 💵 Check prepaid balance.
• *111# 🌐 Access operator services menu.
• *140# 📦 View active bundles or data plans.

---

⚙️ Advanced Developer Codes

📲 Android Debugging

• *#*#7594#*#* 🛠️ Modify power button behavior:
  • End calls or power off with a single press.
• *#*#426#*#* 🌍 Google Play Services diagnostic tool.

📡 Advanced Testing

• *#*#232332#*#* 📡 Bluetooth test and diagnostic.
• *#*#526#*#* 📶 WiFi signal strength testing.
• *#*#1472365#*#* 📡 GPS diagnostics and accuracy test.

---

⚠️ Important Notes:

1. Use Caution: Some codes can erase data, reset your device, or change critical settings. 2. Compatibility: Not all codes work on all devices, as they depend on model, software version, and carrier. 3. Responsibility: Always ensure you understand a code's function before using it.