How+to+use+secret+codes+on+samsung+galaxy+a7+2+work _verified_ «TESTED – 2027»

Note: Newer Samsung Galaxy A series phones (2020+) still support many of these codes, but some may not work depending on your carrier or Android version.

This code opens the Diagnostic Mode menu, which provides information about your device's hardware and software. You can access various tests, such as: how+to+use+secret+codes+on+samsung+galaxy+a7+2+work

Unlocking Hidden Features: A Step-by-Step Guide on How to Use Secret Codes on Samsung Galaxy A7

1. Service Menu: The service menu (accessed using #0#) provides access to various settings and features, such as:
   1. Dial *#0011#.
   2. Press the three-dot menu (top right) and select "Back" (this is counterintuitive but opens the main service menu).
   3. Tap "Key Input" and enter Q (capital Q), then 0000 (four zeros).
   4. You now have access to Network Lock, NV Rebuild, and Band Selection.

   Pro Tip:

   Turn off Wi-Fi Calling and VoLTE temporarily. Some carriers redirect USSD codes through their servers, breaking local secret codes. Note: Newer Samsung Galaxy A series phones (2020+)

   1. General Test Mode (Hardware Diagnostics)

   General Test Mode

   : Access a menu to test hardware like the display (LCD), vibration, touch sensitivity, and sensors. *#06# Service Menu : The service menu (accessed using

   The Samsung Galaxy A7 (2018) is a capable mid-range device known for its triple-camera setup and Super AMOLED display. However, beneath the standard One UI or Samsung Experience interface lies a hidden layer of software known as "Service Mode." This hidden layer is accessed via secret codes (also known as USSD codes or dialer codes).