To use secret codes on the Oppo A9 2020 Go to product viewer dialog for this item.
Below is a list of the most useful diagnostic and informational codes for this specific model: Displays your device's unique identification numbers. Engineer Mode
Here are some examples of how you can use these secret codes: how to use secret codes on oppo a9 2020 upd
*#07# – SAR Level: Shows the Specific Absorption Rate (radiation level) for your device. Advanced Testing & Network Codes
SAR Level Check (*#07#): Displays the Specific Absorption Rate (radiation level) for your specific model. Specific Hardware Diagnostic Codes To use secret codes on the Oppo A9
Code: *#*#6484#*#* or *#*#64663#*#*
These codes allow you to check hardware health and system specifications: * #808# : This code will test the
Compatibility: Certain codes may stop working after major ColorOS updates or if they are specific to certain carriers.