Here is a Haier W718J Stock ROM Firmware which can be used to load and flash stock firmware on any Haier W718J of this exact variant. Any MTK Flash tools can download and flash this Haier W718J flash file on your W718J so long as that MTK Flash Tool supports MTK Scatter File.
Since most major software malfunctions on any MTK Android devices can only be corrected by flashing, this W718J flash file, if properly used, can unbrick (debrick) your W718J and also corrects any software issues your Haier W718J may currently have. Also, keep in mind that when you load stock firmware on your Haier W718J using any MTK flash tool, your Haier W718J will be reset to factory defaults settings and by that, definately, your UserData will be lost including contacts, messages and others.
Note: If your W718J is already bricked and you want to unbrick it, you will need to pay closer attention to the tutorials contained below here.
Haier W718J Stock ROM Firmware Download Link(s)
1. Haier W718J_SW_97718A_ABROAD_V013_M20
2. Haier W718J (Android 4.4.2)
3. Haier W718J_SW_97718AZ2_ABROAD_V005_M20
How to Flash Stock Firmware On Haier W718J
1. Download your Haier W718J stock ROM firmware from the link above.
2. Extract the Haier W718J Firmware you downloaded from the link above onto a folder on your PC.
3. Download and install MTK android device drivers on your PC. You may skip this step if you have installed MTK drivers on your PC already otherwise, download MTK drivers here
4. Now, choose either of the tools listed below here to load the stock firmware on your Haier W718J.
2. NCK Box
3. Miracle Box
See video tutorial here: How to Flash MTK Android Devices Video Tutorial
Note
1. Each of the tools listed above contained step by step guides with illustrated pictures on how to flash stock firmware on your Haier W718J.
2. If your device is bricked already, I recommend that you use NCK Box or SP Flash. Both are the safest toolS for flashing MTK Android devices.
3. If you require any further assistance, simply drop your comment detailing the issue(s) and I shall help you revive your Haier W718J, if need be.