Qode: Android Secret Codes

Qode gives you every useful dial code for your Android phone in one small, offline app: 1,400+ Android secret codes, USSD codes for 194 mobile operators in 55 countries, country calling codes, device info and 135+ practical Android tips.

SECRET CODES FOR EVERY BRAND

Find secret codes matched to your phone brand: Samsung secret codes for the Galaxy test menu and service mode, Xiaomi, Redmi and POCO codes for hardware tests, Google Pixel codes, OnePlus engineering mode codes, plus Oppo, Vivo, Realme, Motorola, Huawei, Honor, Infinix, Tecno, Nokia, LG and Sony codes. Each secret code is explained in plain language before you dial, so you know what it does.

THE CODES PEOPLE SEARCH FOR MOST

• *#06# — IMEI check: see your IMEI number instantly

• *#*#4636#*#* — phone info, battery and usage statistics

• *#0*# — Samsung test mode: screen, speaker, sensors and vibration

• *#9900# — Samsung system dump and service options

• *#07# — SAR value check

• *#*#2663#*#* — touchscreen version and test

• *#*#232339#*#* — WLAN and Wi-Fi test

Plus battery codes, network codes, GPS test codes, display and camera test codes, firmware version codes and hidden menu codes for diagnostics and repair.

USSD CODES FOR BALANCE, DATA AND RECHARGE

Stop searching the web every time you need a balance check code. Qode lists USSD codes for 194 operators in 55 countries, including:

• Bangladesh: Grameenphone, Banglalink, Robi, Airtel, Teletalk

• India: Jio, Airtel, Vi, BSNL

• Pakistan, Nigeria, Kenya, Ghana, Egypt, Indonesia and more

• Gulf and international: Ooredoo, Vodafone, STC, du, Etisalat, Verizon, AT&T, T-Mobile

For each operator you get balance check codes, internet and data balance codes, recharge codes, minute and SMS pack codes, customer care numbers and APN settings — in two taps, even without internet.

TEST A PHONE BEFORE YOU BUY IT

Buying a used or refurbished phone? Run the same checks technicians use: IMEI check, display and touchscreen test, battery status, sensor test, speaker and camera checks. Qode turns a long list of hidden codes into a simple checklist, so you can spot a faulty phone before you pay.

DEVICE INFO AND DIAGNOSTICS

See model, build and Android version, CPU, RAM and storage, battery health and temperature, network and SIM details, screen and sensor information — presented clearly, without digging through settings menus.

135+ ANDROID TIPS THAT ACTUALLY HELP

Battery-saving tricks, privacy settings most people miss, performance fixes, accessibility shortcuts and hidden Android features, organised by topic and written for non-technical users.

WHY QODE IS DIFFERENT

• Works fully offline — every code is on your device

• Small and fast at under 7 MB, with clean dark and light modes

• No call permission: codes open in your dialer, you press Call yourself

• Destructive codes such as factory reset codes are clearly flagged with a warning

• Free to use, with one optional purchase to remove ads forever

Country calling codes for 230+ countries, with capital, currency and time zone, are built in for travel and international calls.

Note: secret codes and USSD codes vary by brand, model, Android version and operator, and some manufacturers block some codes. Qode is an independent reference app and is not affiliated with Google or any phone brand or operator named above.