How to unbrick your Android devices using Sp flash tools

Due to popular demand and the rate at which peeps seems to be bricking their phones nowadays.. Had to go and bring back this old article on how to unbridled your mediatek mtk  Android devices with the use of Sp flash tools.

REQUIRED TOOLS. 

• USB data cable
• MediaTek USB VCOM drivers{Google the download links} 
• SP Flash Tool ( Latest version MTK Flash Tool v. 5.1343.01 (18.10.2013)){get the updated versions online} 

• First of all, make sure that you have MediaTek DA USB VCOM drivers installed.

And you might have to manually drive the mediatek vcomm devices to your hardware programs.. {steps.... START==CONTROL PANEL==DEVICE MANAGER==MANUALLY ADD NEW DEVICE AND SELECT THE MTK VCOMM DRIVER

**Flashing the whole ROM

• First of all open SP Flash Tool, then click Scatter-loading button to load the correct scatter file
  (MT6575_Android_scatter_emmc.txt or MT6577_Android_scatter_emmc.txt, depending on which phone you have) for your device and ignore any message that may appear.

• Turn off your phone, remove the battery and replace it after some seconds (and don't turn on the phone).

• Press F9 (or hit Download button) and connect your phone into the computer via USB data cable.
  The process will start and a red progress bar will appear.

• After the red progress bar is complete, there will appear a purple progress bar.

• Right after the purple progress bar is complete, a message will appear underneath it:
  “Please insert USB cable in x seconds” and then the download will start right away (you will see the yellow progress bar filling up).

• When the yellow bar is complete, you'll get a popup with a green circle and Download OK message,
  which means that the process has been successfully terminated.

• You can now safely disconnect your phone and turn it on. The process ends here.

Flashing only part of the ROM

• In case you want to flash just one part of the ROM, that is also possible. In the shown example, only recovery image will be flashed.
  Deselect all parts except the one(s) you want to flash and then press F9 (or hit Download button).

• The tool will immediately show a warning because not all parts are selected, but you should continue anyway. Safely press Yes to continue.

• The download of the chosen partition image will start and after the yellow bar is complete, the popup with the green circle should appear.

• Please note that, even though it isn't mandatory to select it on the list of images to flash,
  preloader file must be present in the same folder as the other partition(s) that you want to flash, or else phone will not be able to enter into download mode.

Attention: Please follow the instructions carefully. I will not take any responsibility on whatever may happen with your phone.

Very important warning: Always make sure that you trust the sources of the ROM you download and know that it is meant for your phone.
After flashing a wrong preloader, your phone will be completely dead (can't be powered on, it will not charge and won't be detected anymore by the computer) and there is no way to recover it.
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[Tool]SP FlashTool ||MTK Android FLASHER
http://forum.xda-developers.com/show....php?t=1982576
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Mediatek - Flash Tool - Info page
Mediatek - Flash Tool - Downlaod page

SP Flash Tool v. 3.1224.0212 (01.11.2013)

MTK Flash Tool v. 5.1320.00 (23.05.2013)
MTK Flash Tool v. 5.1343.01 (18.10.2013)


SP Flash Tool are for SmartPhone productsMT6573\72 Innovative Platform for Mainstream Smartphones
MT6575 Dual-SIM smartphone platform for the mainstream market
MT6577 1 GHz Dual-Core Smartphone Platform
MT6582 Quad-Core Cortex-A7 1.2GHz+CPU Smartphone Platform
MT6589 Quad-Core Cortex-A7 1GHz+CPU Smartphone Platform

MTK Flash Tool is for Feature Phone chipsMT6223 GSM/GPRS solution for ULC/ULC+ market
MT6235 GSM/GPRS/EDGE solution for Mainstream Multimedia
MT6236 GSM/GPRS/EDGE Feature- rich Multimedia solution
MT6238 GSM/GPRS/EDGE Premium Multimedia solution
MT6239 GSM/GPRS/EDGE Premium Multimedia solution
MT6250 Single- Chip GSM/GPRS/EDGE- RX entry- multimedia solution
MT6252 GSM/GPRS/EGPRS entry- multimedia single chip solution
MT6253 Single- Chip GSM/GPRS entry- multimedia solution
MT6255 Single- Chip GSM/GPRS/EDGE- RX Smart Feature Phone solution
MT6268 High- end EDGE/GPRS/WCDMA Feature Rich Multimedia Phone Solution
MT6276M HSPA Data Modem Solution
MT6516 EDGE/GPRS Feature Rich Multimedia Smart Phone Entry Solution



MTK Flash tool v. 5.x fix a critical bug about SP Flash Tool 3.x where the SP Flashtool reads iincorrectly the scatter file of some new mobile based on MTK6582 (error: recovery partition is not flashable).

CREDITS TO THE XDA TEAM====via xda====