Huawei ANE-L21 dump file:
ANE-L21 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 ANE-L21 dump file contains three main files
These three files are backed up entirely from a healthy ANE-L21 hard drive, allowing you to easily burn to a ANE-L21 raw hard drive.
The ANE-L21 dump rom1 file has a high volume because it also contains user data.
In addition to these original rom1, rom2, rom3 files of Huawei ANE-L21, there is another file with extcsd extension. The task of this file is to perform the ANE-L21 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 ANE-L21 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