This is the official page, from which you can download the Official Konka W990 Stock Firmware ROM (flash file) on your Computer. The Firmware File comes in a zip package which contains the Firmware, Flash Tool, USB Driver and How-to Flash Guide.
Konka W990 Stock ROM (flash file)
The official Flash File (firmware or rom) from firmwarecare.com helps you to re-install the Mobile OS, on your Mobile Device. It also helps you to fix the device if it is facing any software related issue, imei related issue or bootloop issue.
Package Name: Konka_W990_KAAW990MuseRom_1.36.A29_OTA.zip
Package Size: 177 MB
How-to Flash: Copy the update.zip file to the phone SD and flash it through the stock recovery mode.
Package Name: Konka_W990_MT6577_1.05.130_31012013.zip
Package Size: 243 MB
How-to Flash: Follow Guideline
How to Flash Konka W990 Stock ROM
Step 1: Download and Extract the Konka W990 Stock Firmware on your Computer.
Step 2: Once, you have extracted the Package, you will get the update.zip firmware and How-to Flash Guide.
Step 3: Now, Copy the update.zip firmware on your device SD memory.
Step 4: Once you have copied the update.zip firmware, Power Off your device.
Step 5: Now, boot into the recovery mode by pressing Volume UP + Power Button.
Step 6: Once, you have booted into the recovery mode, select the update.zip firmware to flash it.
Step 7: Once flashing is completed, restart your device.
[*] Take a Backup: We recommend you to take a backup of your personal data before flashing the Stock Firmware, as flashing the firmware will delete the personal data from the device.
[*] 100% Original: On firmwarecare.com, we only serve the original firmware released by the device company. All the firmware are 100% guaranteed original with zero modifications. We personally scan each of the firmware using the Kaspersky Antivirus before sharing it online.