this phone hynix emmc you just lucky repair this emmc ... for 100% repair you change it to samsung i solved many time with kmnjs/kmn5x/kmkjs or you can used mercedes emmc kmi8 to make it 1gb ram / 16 gb storage
back up extcd rom1 512 rom2 rom3 . then write it to new emmc the flash it with 4 files (dont use pit or phone will random error ) -- done
