This is the most powerful code for HONOR devices. It opens a hidden service menu where you can: Check Battery Information (temperature and health). Perform Background Settings adjustments. Access Network Information Query . Initiate a Software Upgrade . Restore the phone to Factory Defaults .
Some codes, especially in the Project Menu , allow you to wipe data or change deep system settings. Do not change settings unless you are sure of what they do.
Use *#*#0*#*#* to check for screen burn-in and *#*#4636#*#* to monitor battery temperature. Leave the rest to service centers.
*#0*# sometimes works on newer models to open a simplified hardware diagnostic screen. How to Use Secret Codes on HONOR X9B
Initiate an upgrade from a memory card if local firmware is present.
This is arguably the most powerful code on your device. It opens the . Since the HONOR X9b runs on a MediaTek chipset (Snapdragon 680 in some regions, but often MediaTek for engineering tools), this menu allows deep-level hardware testing.
Below is a list of the most useful codes specifically for HONOR and MagicOS devices like the X9B: 1. Device Identity and Information This is the most powerful code for HONOR devices
Some network-specific codes (like call forwarding) may vary depending on your mobile service provider (e.g., AT&T vs. T-Mobile).
: Most codes will execute automatically as soon as you type the final symbol; you usually don't need to press the "Call" button. Essential HONOR X9b Secret Codes Description / Function *#*#2846579#*#* Project Menu
Using these codes is straightforward and does not require third-party software: Open the app on your HONOR X9B. Access Network Information Query
Some codes require you to press the call button (green handset icon) after typing, but most modern HONOR devices auto-execute.
Your HONOR X9B is a sleek, durable smartphone known for its ultra-bounce display and long battery life. But like most Android smartphones, it has a hidden layer of functionality that you won’t find in the Settings menu. These are accessed via (often called "secret codes" or "engineering codes").
