Huawei Mate 9 Pro icon

Download official Firmware for Huawei Mate 9 Pro (LONL29C)

Build: LONL29C721B192
Size: 1.81GB
Downloads: 30
Rom Type: FullOTA-MF-PV

Change Log: This update will roll back your phones operating system to Android 7.0 (EMUI 5.0). 1. Please make sure you are currently using the official version of Huawei EMUI, and that no unofficial updates have been installed. Otherwise, there will be risk of an unsuccessful rollback, and an unknown error may occur. 2. Make sure that the current version has not been unlocked or rooted. 3. All user data will be deleted in the rollback. Use an SD card, computer, or Cloud storage to back up all important data before rolling back your phone, and make sure all backed up content is complete and effective. 4. Make sure your phone has more than 50% battery remaining. 5. If you experience any issues during the update, please call the Huawei customer service hotline or visit an authorized Huawei service center for assistance. 6. The system will restart after the rollback. This will take about 10 minutes. Following the update, your home screen will automatically display the EMUI 5.0 theme.

These are the instructions to flash Stock firmware on Huawei Mate 9 Pro (LONL29C) using the Card update method.

Requirements: Your Huawei Smartphone or tablet should have atleast 20-30 percent of battery to perform the flashing process and a Micro SD Card (must).

Flash Stock firmware on Huawei Smartphone (Card Update)

Step 1: Create a new folder on your Micro SD Card and rename it to dload.

Step 2: Download and extract Huawei Smartphone firmware (for your device) on your Computer. After extracting you will be able to see these files:

Step 3: Now Copy UPDATE.APP and paste it the dload folder on your Micro SD card.

Step 4: Now Power Off your Huawei Smartphone.

Step 5: Now, Press Volume UP, Volume Down and Power Button at the same time for 5-8 seconds until the update process is started automatically.

Step 6: Update Process may takes 5-10 minutes to complete.

Step 7: Once Update Process is completed your device will reboot automatically and ready to use.

Notic: Please keep in mind that, you must flash Huawei Mate 9 Pro (LONL29C) firmware at your own risk and also full responsible with you.

Please be informed that only share the official firmware WITHOUT ANY modifications. All Huawei Roms here are for home or personal use only.