This researchdownload Tool will allow you easily flash firmware, upgrade firmware, remove pattern lock & google account, many other options like adding multiple languages and configuring LCD. on spreadtrum device
SPD_Flash_Tool_R3.15.4901
Download @ http://www.mediafire.com/file/36e0vyb49n...5.4901.zip
SPD_Flash_Tool_R3.15.4901
Download @ http://www.mediafire.com/file/36e0vyb49n...5.4901.zip