The pre installed program of Huawei C8813D was deleted by me by mistake, and the status bar cannot b

1. Flashing and rooting are the underlying operations of the operating system of the mobile phone, and it is not recommended for non-professionals to flash and root.

2. Flashing and rooting is only to obtain the highest authority of the mobile phone's operating system, so as to operate the common software preset in the operating system. The preset software of the operating system is commonly used smartphone software, and some software can be uninstalled and deleted without root.

3. The official factory system of smart phones is a closed system optimized by the R&D department of the relevant company after many tests. The parameters and performance of the entire mobile phone are the most perfect,The ROM flash package developed by the third party of Mingma,It has not been officially tested,Flashing has a certain risk。 Most ROM flashes contain viruses and rogueware.

Please be cautious about flashing the machine.

4. Non-professionals are not recommended to flash the phone, if the flashing fails, it is easy to cause the mobile phone to fail to turn on normally, and it is easy to cause the mobile phone to lose the warranty.

I hope I have been helpful to you, and if you have any questions, please feel free to continue to consult us.

According to the question you asked, if the phone is obtained super administrator permissions, it will not be able to get the warranty of the national warranty! It may be caused by modifying the internal files of the pre-installed program on your phone! It is recommended to contact the after-sales department of the mobile phone to help you solve it.

I hope I have been helpful to you, and if you have any questions, please feel free to continue to consult us.

Shuangqing try. Press and hold the volume down + power button to power on, enter the recovery interface, and find wipe data factory reset to erase user data and restore factory settings (an option that must be performed before flashing).

wipe cache partition clears the system cache (executed before flashing).

If there is a problem with the system, you can also try this option, which can generally be solved) These two are Shuangqing.

If you delete your phone, the software that comes with it will automatically restore the installation package that is likely to be backed up in the system, please try to get root permission to delete the apk backed up in the system.

Huali Jiwei mobile phone can delete those pre-installed software in addition to the core software of the system (generally the software with the name of Yingye Zawen), and you can follow the steps below to delete the system's own applications:

Non-root mode: Huawei's official "ROM Cleanup Tool", which can delete the built-in software without rooting. After opening the software, select the unwanted self-contained program to uninstall, it will take a certain amount of time to uninstall, please wait patiently.