How To Use Secret Codes On Oppo A9 2020 Upd |verified| May 2026

To use secret codes on your OPPO A9 2020 Go to product viewer dialog for this item.

Clear Update Cache

Code: *#*#273283*255*663282*#*#* Opens "File Manager for Update Dump". Use this to delete corrupted update cache files that prevent new updates from downloading. how to use secret codes on oppo a9 2020 upd

Check Status: *#21# then tap Call.

Enable Forwarding: **21*[Phone Number]# then tap Call.

Disable Forwarding: ##21# then tap Call.

How to Use Secret Codes on Oppo A9 2020

Secret codes (USSD or MMI codes) can quickly launch hidden tests, device info, and service menus. On the Oppo A9 2020, here’s how to use them. To use secret codes on your OPPO A9