Here we provide Download Link of firmware for Huawei Mate 9 Pro LON-L29C with build LON-L29C432B229
this Model of Huawei Published on Released 2017, January . with Android 7.0, up to Android 8.0; EMUI 5.
Display size on Huawei Mate 9 Pro is 5.5" and the resolution is 1440x2560 pixels
in Here we provided all the stock firmware of Huawei LON-L29C.
You can flash The Stock firmware of LON-L29C using How to Flash Huawei Stock Firmware (All Method).

Huawei Mate 9 Pro LON-L29C Specification:

this model of huawei powerd by Octa-core (4x2.4 GHz Cortex-A73 & 4x1.8 GHz Cortex-A53) and the internal storage size and ram size is 128GB storage, no card slot.
also it can support No.
besides it can support Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) .
the Gpu chip model is Mali-G71 MP8 and also the Chipset model used on this model is HiSilicon Kirin 960
The camera on the Huawei LON-L29C comes with 20 and support 2160p video pixles.


the Second camera module is 8 MP, f/1.9, 26mm (wide), 1/3.2", 1.4µm, AF and the body of Huawei Mate 9 Pro LON-L29C is 169g, 7.5mm thickness
The battry type for this smartphone is Non-removable Li-Po 4000 mAh battery.

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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.

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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 Huawei-firmware.com only share the official firmware WITHOUT ANY modifications. All Huawei Roms here are for home or personal use only.