The keyword "repack" indicates that the device isn't using an official Huawei-signed image from the factory. Instead, someone (perhaps a developer or a third-party ISP) created a custom firmware image by:
If the device can enter Fastboot mode, HiSuite can often "unbrick" it by downloading the correct regional firmware automatically. Install the latest on your PC. Connect the device to the PC while holding the Volume Down button to enter Fastboot Mode In HiSuite, select System Restoration and follow the prompts to "Continue" and "Start". HUAWEI Global 3. eRecovery Mode (Wi-Fi Restoration)
Diagnostics — how to identify root cause