Qode: Secret Codes & USSD 2026 — the #1 all secret codes for Android app. 1,400+ mobile secret codes, android secret codes, MMI codes, hidden codes and phone codes, plus USSD codes for 194 mobile operators in 55 countries, country calling codes, 135+ android tricks & tips, device info and phone diagnostics — all in one secret codes app.

Discover all mobile secret codes for android: hidden menus, service menus, test modes, engineering mode, IMEI check codes and secret dialer codes — every secret code explained simply before you dial. Core features work fully offline.

🔥 MOST-SEARCHED SECRET CODES & MMI CODES
• *#06# — IMEI check secret code, check IMEI instantly
• *#*#4636#*#* — phone info & testing menu secret code
• *#0*# — Samsung secret code for test mode & service menu
• *#9900# — system dump & hidden service menu code
• *#07# — SAR level check code
• *#*#2663#*#* — touch screen test secret code
• *#*#232339#*#* — Wi-Fi test mode code
• Battery, network, GPS, sensor, display, camera & speaker test codes
• Engineering mode codes, hidden menu codes, firmware version & backup secret codes

📱 SECRET CODES FOR ALL PHONE BRANDS
• Samsung secret codes — Galaxy test mode, battery status & service menu codes
• Xiaomi secret codes — Redmi & POCO hardware test & hidden menu codes
• Google Pixel secret codes & diagnostic codes
• OnePlus secret codes — engineering mode & device test codes
• Oppo secret codes & Vivo secret codes — hidden settings & version codes
• Motorola secret codes, Huawei & Honor secret codes
• Infinix, Tecno, Realme & Nokia secret codes
• LG & Sony Xperia secret codes and service menu codes
All mobile secret codes are verified, tested and organized by brand — dial with confidence.

📶 USSD CODES & SIM CODES — 194 OPERATORS, 55 COUNTRIES
• USSD codes for Bangladesh — Grameenphone, Banglalink, Robi, Airtel & Teletalk balance check codes, recharge codes & internet balance codes
• USSD codes for India — Jio, Airtel, Vi & BSNL balance check, data balance & recharge codes
• USSD codes for USA — Verizon, AT&T & T-Mobile usage check codes
• USSD codes for Qatar, UAE, KSA — Ooredoo, Vodafone, STC, du & Etisalat codes
• Balance check, mobile recharge, data packs, minute packs, SMS packs, customer care, emergency numbers & APN internet settings
Never google a USSD code again — check balance or recharge in two taps.

🌐 COUNTRY CALLING CODES & DIALING CODES
International calling codes for 230+ countries with capital, currency & time zone.

🛠️ DEVICE INFO & PHONE DIAGNOSTICS
• Device info: model, build, CPU, RAM & storage
• Battery health, temperature & network info
• Screen, sensor & SIM details
• Phone diagnostics & hardware test made simple — ready for Android 16

💡 135+ ANDROID TIPS, TRICKS & HACKS
Battery saving tricks, privacy & security tips, performance & speed hacks, accessibility shortcuts and hidden android tricks that actually work.

🔒 SAFE BY DESIGN
• Core features work 100% offline — secret codes app with no internet needed
• No sign-up, no account, no call permission — every secret code opens in your own phone dialer; you press Call
• Lightweight, fast, clean dark mode
• Free secret codes app — remove ads forever with one optional purchase

From a quick balance check USSD code to a hidden service menu, from an IMEI check code to Samsung secret codes — Qode is the complete secret codes, USSD codes, MMI codes & android tricks companion for 2026. New secret codes, USSD codes, mobile codes and tips arrive with every update.

Download Qode now — all secret codes, all USSD codes, all android tips & tricks, right at your fingertips!

Note: Secret codes and USSD codes vary by manufacturer, model, Android version and carrier. Qode is an independent reference app, not affiliated with Google or any brand mentioned.