Oppo Cph1933 - Imei Repair Exclusive ((link))

This method stopped working after Android 10 (ColorOS 11). For Android 11/12 CPH1933 builds, the AT command is blocked unless you have root access. This is why the search for "exclusive" persists—older guides are obsolete.

The OPPO CPH1933, also known as the OPPO A9 (2020) or A5 (2020) depending on the region, is a workhorse of a smartphone. It boasts a massive battery, quad cameras, and reliable performance. However, a silent killer can turn this reliable device into a Wi-Fi-only tablet: .

On MediaTek-powered devices like the CPH1933 (which uses the Helio P35 chipset), the IMEI is stored in the partition. Unlike Qualcomm devices that store this data in a physically separate secure element, MediaTek’s architecture is more exposed. Common causes of IMEI loss on the CPH1933 include: