SMART S-31 FLASH FILE FIRMWARE NAND MT6572 4.4.2 (SKIN SHOW 5.1) LOGO HANG & DEAD FIX STOCK ROM 100% TESTED Manik BD 7:13 PM MT6572_NAND_SMART S-31__SMART S-31__SMART S-31__4.4.2__ZOYU_FOREIGN_SMART_S-31_V0.4_20170802 MT6572_NAND_SMART S-31__SMART S-31__SMART S-3...