If you notice any software malfunctions with your Huawei Ascend Mate7 MT7 L09 android device, you're most likely required to download and flash stock ROM firmware on your Ascend Mate7 MT7 L09 to permanently correct the software errors you noticed on your Huawei Ascend Mate7 MT7 L09. And when you load stock firmware on your Huawei Ascend Mate7 MT7 L09 using any Qualcomm flash tool, your Huawei Ascend Mate7 MT7 L09 will be reset to factory defaults settings and by that, definately, your UserData will be lost including contacts, messages and others.
If your device has been bricked and want to unbrick it, you will need to pay closer attention to the tutorials contained below here.
Huawei Ascend Mate7 MT7 L09 Stock ROM Firmware Download Link(s)
1. Huawei Ascend Mate7 MT7 L09_V100R001C00B143 EMUI_3.0_05012SNC
How to Flash Stock Firmware On Huawei Ascend Mate7 MT7 L09
1. Download your Huawei Ascend Mate7 MT7 L09 stock ROM firmware from the link above.
2. Extract the Huawei Ascend Mate7 MT7 L09 Firmware you downloaded from the link above onto a folder on your PC.
3. Download and install Qualcomm android device drivers on your PC. You may skip this step if you have installed Qualcomm drivers on your PC already otherwise, download Qualcomm drivers here
4. Now, choose either of the tools listed below here to load the stock firmware on your Huawei Ascend Mate7 MT7 L09.
Note
1. Each of the tools listed above contained step by step guides with illustrated pictures on how to flash stock firmware on your Huawei Ascend Mate7 MT7 L09.
2. If your device is bricked already, I recommend that you use Tool Studio eMMC Download Tool or QPST QFIL.
3. If you require any further assistance, simply drop your comment detailing the issue(s) and I shall help you revive your Huawei Ascend Mate7 MT7 L09, if need be.