Get Paid M21 E21 U5S MT6582 Firmware Official (Original) Flash File 100% working Paid of cost. So Direct download links for the latest version of firmware file for M21 E21 U5S MT6582.Stock ROMs Version is:
MT6582__M21__501__c101v82_gq3017fw__4.4.2__ALPS.KK1.MP1.V2.11

Only (Paid) Firmware Download

Without Password Free SP Flash tools http://19miracles.blogspot.com /2015/11/mtk-sp-flash-tool-latest-version.html" target="_blank">Download

Mediatek MTK USB Driver http://19miracles.blogspot.com /2015/12/all-mtk-mediatek-usb-driver-free-download.html">Download

M21 E21 U5S MT6582 Mobie Software Problems Example:

Hang on logo/ Hard reset failed/ Pattern Lock/ Lcd Blinking/ Monkey virus/ Invalid imei/ Imei Null/ Auto apps download/ unfortunately phone has stopped/ Dead Not Power On

- Unpack FlashTools, and Click on Flash_tool.exe

- Select "scatter-Loading" and search MT6582_Android_scatter.txt in ROM

- Wait file to be added into Flash Tool

- Select "Download Only" or if upgrade "Firmware upgrade"

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

- Press “Download” button to start

- and connect your phone into the computer via USB data cable.

- The process will start and a red progress bar will appear after color purple, yellow.

- And green circles display

- Finish !

- You can now safely disconnect your phone and turn it on.

Important Notes:[*]Take a Backup of your personal data before flashing or installing the firmware on your smartphone. As this helps you to recover the personal data whenever any thing wrong happens.