Description

Huawei Cairo-L02 dump file:

Cairo-L02 dump file is in fact a complete backup of all data inside the hard drive (emmc), which includes user data, Imei network, security files, etc.
The Cairo-L02 dump file contains three main files
rom1
rom2
rom3

These three files are backed up entirely from a healthy Cairo-L02 hard drive, allowing you to easily burn to a Cairo-L02 raw hard drive.
The Cairo-L02 dump rom1 file has a high volume because it also contains user data.
In addition to these original rom1, rom2, rom3 files of Huawei Cairo-L02, there is another file with extcsd extension. The task of this file is to perform the Cairo-L02 hard drive configuration operation.
Dump files are often used for chipsets other than MediaTek. In MediaTek chipsets, configuring the hard drive is enough.
For other processors (Qualcomm, Exynos, Silicon, Intel, etc.), burning the dump file makes it easier to start the phone after replacing the hard drive.

Some usage of Cairo-L02 emmc dump file performance:

When the hard drive has a problem, it can be fully repair with dump file

Used when the phone hangs and gets stuck on the logo

After replacing the hard drive, it will be written on the hard drive