Reinstall the Huawei USB drivers on your PC, change the USB port, and ensure HDB mode is active. Disclaimer
Flashing firmware often wipes all user data. Backup your photos, contacts, and apps. Charge Battery: Ensure your phone has at least 60% charge . firmware huawei p30 lite mar-lx3bm
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This is the safest and most common method to update or restore your phone using an external SD card or USB OTG drive. Reinstall the Huawei USB drivers on your PC,