slavayun

1. Samsung
Code: *#0*# or *#*#88#*#*
These codes allow access to various diagnostic tools and might activate the developer options.

2. Huawei
Code: *#*#2846579#*#*
This code opens the Project Menu, where you can find various advanced settings, including developer options.

3. Xiaomi
Code: *#*#6484#*#*
Entering this code brings up a menu that includes the developer options and other diagnostic tools.

4. Vivo
Code: *#*#225#*#*
Use this code to access developer options and other hidden settings.

5. Oppo
Code: *#899#
This code grants access to a hidden menu, including developer options.

6. Infinix
Code: *#*#49#*#* or *#85#
These codes can be used to unlock developer options.

7. Tecno
Code: *#*#49#*#* or *#85#
Similar to Infinix, these codes will allow you to access developer options.

8. Alcatel
Code: *#2886#
This code brings up the hardware test menu and might include developer options.

9. Lenovo
Code: *#*#4636#*#*
Use this code to access detailed phone information and developer options.

10. Sony
Code: *#*#737378423#*#*
This lengthy code is used to unlock developer options and other advanced settings.

11. Motorola
Code: *#*#2486#*#*
Entering this code will bring up a hidden menu that includes developer options.

12. Honor
Code: *#*#2345#*#*
This code grants access to various hidden features, including developer options.

13. OnePlus
Code: *#*#2346579#*#*
Similar to other brands, this code will unlock developer options.