Download fromhere the official stock firmware for your Huawei G525-U00 and repair your bricked huawei device. Flahing of this model is done with the use of an SD Card. The firmware is packed in an archive and will require you extract and copy it to SD Card for flashing.

[*] Please see flashing guide here

[*] Flashing stock rom will erase all your personal data

[*] Make sure to take a backup of your current system if possible before flashing.