diff --git a/utils/meizu_dfu/Makefile b/utils/meizu_dfu/Makefile
new file mode 100644
index 0000000000..6b368fa21b
--- /dev/null
+++ b/utils/meizu_dfu/Makefile
@@ -0,0 +1,10 @@
+
+all: meizu_dfu
+
+meizu_dfu: meizu_dfu.c
+	gcc -o meizu_dfu meizu_dfu.c -lusb
+
+.PHONY: clean
+clean:
+	rm -f meizu_dfu
+
diff --git a/utils/meizu_dfu/README b/utils/meizu_dfu/README
new file mode 100644
index 0000000000..027e82d890
--- /dev/null
+++ b/utils/meizu_dfu/README
@@ -0,0 +1,10 @@
+
+Meizu DFU tool for Linux
+
+This tool can restore the firmware on M3, M6 SP, M6 TP and M6 SL.
+
+Notes:
+1. SST39VF800.dfu is taken from the official dfu tool provided by Meizu.
+2. updateNAND_BE_070831.dfu is taken from the unofficial dfu tool for M6 SL.
+3. To compile, just run `make'.
+
diff --git a/utils/meizu_dfu/meizu_dfu.c b/utils/meizu_dfu/meizu_dfu.c
new file mode 100644
index 0000000000..67a5065384
--- /dev/null
+++ b/utils/meizu_dfu/meizu_dfu.c
@@ -0,0 +1,394 @@
+/*
+  Copyright 2008 William Poetra Yoga Hadisoeseno <williampoetra@gmail.com>
+                 Frank Gevaerts <frank@gevaerts.be>
+  This file is licensed under GPL v2.
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <libgen.h>
+
+#include <usb.h>
+
+void usage()
+{
+  fprintf(stderr, "usage: meizu_dfu m3 <SST39VF800.dfu> <M3.EBN>\n");
+  fprintf(stderr, "       meizu_dfu m6 <SST39VF800.dfu> <M6.EBN>\n");
+  fprintf(stderr, "       meizu_dfu m6sl <updateNAND_BE_070831.dfu> <M6SL.EBN>\n");
+  exit(1);
+}
+
+uint32_t crc32(char *data, int len, uint32_t poly, uint32_t init)
+{
+  uint32_t crc_table[256];
+  uint32_t crc, t;
+  int i, j;
+
+  // generate the table
+  for (i = 0; i < 256; ++i) {
+    t = i;
+    for (j = 0; j < 8; ++j)
+      if (t & 1)
+        t = (t >> 1) ^ poly;
+      else
+        t >>= 1;
+    crc_table[i] = t;
+  }
+
+  // calculate the crc
+  crc = init;
+  for (i = 0; i < len; ++i)
+    crc = (crc >> 8) ^ crc_table[(crc^data[i]) & 0xff];
+
+  return crc;
+}
+
+#define BLOCK_SIZE 2048
+
+typedef struct {
+  char *name;
+  char *data;
+  int len;
+} image_data_t;
+
+typedef struct {
+  int delay;
+  int pre_off;
+  uint32_t pre_sig;
+  uint16_t suf_dev;
+  uint16_t suf_prod;
+  uint16_t suf_ven;
+  uint16_t suf_dfu;
+  char suf_sig[3];
+  uint8_t suf_len;
+} image_attr_t;
+
+#define DFU_CRC_POLY 0xedb88320
+#define DFU_INIT_CRC 0xffffffff
+
+void init_img(image_data_t *img, const char *filename, image_attr_t *attr)
+{
+  int fd, len, i, readlen;
+  struct stat statbuf;
+  char buf[BLOCK_SIZE];
+  uint32_t dfu_crc;
+
+  printf("Reading %s...", filename);
+
+  stat(filename, &statbuf);
+  len = statbuf.st_size;
+
+  img->name = basename(strdup(filename));
+  img->data = malloc(len + 16);
+  img->len = len + 16;
+
+  fd = open(filename, O_RDONLY);
+  for (i = 0; i < len; i += BLOCK_SIZE) {
+    readlen = ((len - i) < BLOCK_SIZE) ? (len - i) : BLOCK_SIZE;
+    read(fd, buf, readlen);
+    memcpy(img->data + i, buf, readlen);
+  }
+  close(fd);
+
+  // patch the data size in after the signature
+  memcpy(img->data + attr->pre_off + 4, &img->len, 4);
+
+  // append the suffix (excluding the checksum)
+  memcpy(img->data + len, &attr->suf_dev, 2);
+  memcpy(img->data + len + 2, &attr->suf_prod, 2);
+  memcpy(img->data + len + 4, &attr->suf_ven, 2);
+  memcpy(img->data + len + 6, &attr->suf_dfu, 2);
+  memcpy(img->data + len + 8, &attr->suf_sig, 3);
+  memcpy(img->data + len + 11, &attr->suf_len, 1);
+
+  dfu_crc = crc32(img->data, len + 12, DFU_CRC_POLY, DFU_INIT_CRC);
+  memcpy(img->data + len + 12, &dfu_crc, 4);
+
+#if 0
+  FILE *f = fopen(img->name, "w");
+  fwrite(img->data, len + 16, 1, f);
+  fclose(f);
+#endif
+
+  printf("OK\n");
+}
+
+#define DFU_VEN 0x0419
+#define DFU_DEV 0x0141
+usb_dev_handle *device;
+int timeout = 0xa0000;
+
+void usb_dev_open()
+{
+  struct usb_bus *bus;
+  struct usb_device *dev;
+
+  printf("USB initialization...");
+  fflush(stdout);
+
+  usb_init();
+  usb_find_busses();
+  usb_find_devices();
+
+  for (bus = usb_get_busses(); bus != NULL; bus = bus->next)
+    for (dev = bus->devices; dev != NULL; dev = dev->next)
+      if (dev->descriptor.idVendor == DFU_VEN
+          || dev->descriptor.idProduct == DFU_DEV)
+        goto found;
+
+  printf("\nNo device found, exiting.\n");
+  exit(1);
+
+found:
+  printf(" Device found.\n");
+  device = usb_open(dev);
+  usb_claim_interface(device, 0);
+}
+
+void usb_mimic_windows()
+{
+  char data[1024];
+
+  usb_control_msg(device, 0x80, 0x06, 0x0100, 0x0000, data, 0x0012, timeout);
+  usb_control_msg(device, 0x80, 0x06, 0x0200, 0x0000, data, 0x0009, timeout);
+  usb_control_msg(device, 0x80, 0x06, 0x0200, 0x0000, data, 0x001b, timeout);
+  usb_control_msg(device, 0x80, 0x06, 0x0100, 0x0000, data, 0x0040, timeout);
+  usb_control_msg(device, 0x80, 0x06, 0x0100, 0x0000, data, 0x0012, timeout);
+  usb_control_msg(device, 0x80, 0x06, 0x0200, 0x0000, data, 0x0009, timeout);
+  usb_control_msg(device, 0x80, 0x06, 0x0300, 0x0000, data, 0x00ff, timeout);
+  usb_control_msg(device, 0x80, 0x06, 0x0303, 0x0409, data, 0x00ff, timeout);
+  usb_control_msg(device, 0x80, 0x06, 0x0200, 0x0000, data, 0x00ff, timeout);
+  usb_control_msg(device, 0x80, 0x06, 0x0300, 0x0000, data, 0x00ff, timeout);
+  usb_control_msg(device, 0x80, 0x06, 0x0302, 0x0409, data, 0x00ff, timeout);
+  usb_control_msg(device, 0x80, 0x06, 0x0300, 0x0000, data, 0x00ff, timeout);
+  usb_control_msg(device, 0x80, 0x06, 0x0302, 0x0409, data, 0x00ff, timeout);
+  usb_control_msg(device, 0x80, 0x06, 0x0100, 0x0000, data, 0x0012, timeout);
+  usb_control_msg(device, 0x80, 0x06, 0x0200, 0x0000, data, 0x0209, timeout);
+}
+
+void usb_dev_close()
+{
+  printf("Releasing interface...");
+  fflush(stdout);
+
+  usb_release_interface(device, 0);
+
+  printf(" OK\n");
+}
+
+#define DFU_DETACH      0
+#define DFU_DOWNLOAD    1
+#define DFU_UPLOAD      2
+#define DFU_GETSTATUS   3
+#define DFU_CLRSTATUS   4
+#define DFU_GETSTATE    5
+#define DFU_ABORT       6
+
+void get_cpu()
+{
+  char data[64];
+  int req_out_if = USB_ENDPOINT_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
+  int len;
+
+  printf("GET CPU");
+  fflush(stdout);
+
+  // check for "S5L8700 Rev.1"
+  len = usb_control_msg(device, req_out_if, 0xff, 0x0002, 0, data, 0x003f, timeout);
+  if (len < 0) {
+    printf("\nError trying to get CPU model, exiting.\n");
+    exit(1);
+  }
+
+  memset(data + len, 0, 64 - len);
+  printf(", got: %s\n", data);
+}
+
+void send_file(image_data_t *img)
+{
+  char dfu_ret[6];
+  char *data;
+  int req_out_if = USB_ENDPOINT_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
+  int req_in_if = USB_ENDPOINT_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
+  int len, idx, writelen, i;
+
+  printf("Sending %s... ", img->name);
+  fflush(stdout);
+
+  len = img->len;
+  data = img->data;
+
+  // loop for the file
+  for (i = 0, idx = 0; i < len; i += BLOCK_SIZE, ++idx) {
+    writelen = ((len - i) < BLOCK_SIZE) ? (len - i) : BLOCK_SIZE;
+    usb_control_msg(device, req_out_if, DFU_DOWNLOAD, idx, 0, data + i, writelen, timeout);
+    dfu_ret[4] = 0x00;
+    while (dfu_ret[4] != 0x05)
+      usb_control_msg(device, req_in_if, DFU_GETSTATUS, 0, 0, dfu_ret, 6, timeout);
+    printf("#");
+    fflush(stdout);
+  }
+
+  usb_control_msg(device, req_out_if, DFU_DOWNLOAD, idx, 0, NULL, 0, timeout);
+  dfu_ret[4] = 0x00;
+  while (dfu_ret[4] != 0x07)
+    usb_control_msg(device, req_in_if, DFU_GETSTATUS, 0, 0, dfu_ret, 6, timeout);
+
+  printf(" OK\n");
+  fflush(stdout);
+}
+
+void clear_status()
+{
+  char dfu_ret[6];
+  int usb_in_if = USB_ENDPOINT_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
+  int usb_out_if = USB_ENDPOINT_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
+
+  printf("Clearing status...");
+  fflush(stdout);
+
+  dfu_ret[4] = 0x00;
+  while (dfu_ret[4] != 0x08)
+    usb_control_msg(device, usb_in_if, DFU_GETSTATUS, 0, 0, dfu_ret, 6, timeout);
+  usb_control_msg(device, usb_out_if, DFU_CLRSTATUS, 0, 0, NULL, 0, timeout);
+
+  printf(" OK\n");
+}
+
+void dfu_detach()
+{
+  char usb_ret[4];
+  int usb_in_oth = USB_ENDPOINT_IN | USB_TYPE_CLASS | USB_RECIP_OTHER;
+  int usb_out_oth = USB_ENDPOINT_OUT | USB_TYPE_CLASS | USB_RECIP_OTHER;
+
+  printf("Detaching...");
+  fflush(stdout);
+
+  usb_control_msg(device, usb_in_oth, DFU_DETACH, 0x0000, 3, usb_ret, 4, timeout);
+  usb_control_msg(device, usb_out_oth, DFU_DOWNLOAD, 0x0010, 3, NULL, 0, timeout);
+  usb_control_msg(device, usb_in_oth, DFU_DETACH, 0x0000, 3, usb_ret, 4, timeout);
+  usb_control_msg(device, usb_in_oth, DFU_DETACH, 0x0000, 3, usb_ret, 4, timeout);
+  usb_control_msg(device, usb_in_oth, DFU_DETACH, 0x0000, 3, usb_ret, 4, timeout);
+  usb_control_msg(device, usb_in_oth, DFU_DETACH, 0x0000, 3, usb_ret, 4, timeout);
+  usb_control_msg(device, usb_in_oth, DFU_DETACH, 0x0000, 3, usb_ret, 4, timeout);
+
+  printf(" OK\n");
+}
+
+void dfu_m3_m6(char *file1, char *file2)
+{
+  image_data_t img1, img2;
+  image_attr_t attr1, attr2;
+
+  attr1.delay = 1000;
+  attr1.pre_off = 0x20;
+  attr1.pre_sig = 0x44465543;
+  attr1.suf_dev = 0x0100;
+  attr1.suf_prod = 0x0140;
+  attr1.suf_ven = 0x0419;
+  attr1.suf_dfu = 0x0100;
+  memcpy(attr1.suf_sig, "RON", 3);
+  attr1.suf_len = 0x10;
+
+  attr2.delay = 1000;
+  attr2.pre_off = 0x20;
+  attr2.pre_sig = 0x44465543;
+  attr2.suf_dev = 0x0100;
+  attr2.suf_prod = 0x0140;
+  attr2.suf_ven = 0x0419;
+  attr2.suf_dfu = 0x0100;
+  memcpy(attr2.suf_sig, "UFD", 3);
+  attr2.suf_len = 0x10;
+
+  init_img(&img1, file1, &attr1);
+  init_img(&img2, file2, &attr2);
+
+  usb_dev_open();
+//  usb_mimic_windows();
+  get_cpu();
+  get_cpu();
+  send_file(&img1);
+
+  printf("Wait a sec (literally)...");
+  fflush(stdout);
+  sleep(1);
+  printf(" OK\n");
+
+  clear_status();
+  get_cpu();
+  send_file(&img2);
+  dfu_detach();
+  usb_dev_close();
+}
+
+void dfu_m6sl(char *file1, char *file2)
+{
+  image_data_t img1, img2;
+  image_attr_t attr1, attr2;
+
+  attr1.delay = 1000;
+  attr1.pre_off = 0x20;
+  attr1.pre_sig = 0x44465543;
+  attr1.suf_dev = 0x0100;
+  attr1.suf_prod = 0x0140;
+  attr1.suf_ven = 0x0419;
+  attr1.suf_dfu = 0x0100;
+  memcpy(attr1.suf_sig, "UFD", 3);
+  attr1.suf_len = 0x10;
+
+  attr2.delay = 1000;
+  attr2.pre_off = 0x20;
+  attr2.pre_sig = 0x44465543;
+  attr2.suf_dev = 0x0100;
+  attr2.suf_prod = 0x0140;
+  attr2.suf_ven = 0x0419;
+  attr2.suf_dfu = 0x0100;
+  memcpy(attr2.suf_sig, "UFD", 3);
+  attr2.suf_len = 0x10;
+
+  init_img(&img1, file1, &attr1);
+  init_img(&img2, file2, &attr2);
+
+  usb_dev_open();
+  get_cpu();
+  get_cpu();
+  send_file(&img1);
+
+  printf("Wait a sec (literally)...");
+  fflush(stdout);
+  sleep(1);
+  printf(" OK\n");
+  usb_dev_close();
+
+  usb_dev_open();
+  get_cpu();
+  get_cpu();
+  send_file(&img2);
+  dfu_detach();
+  usb_dev_close();
+}
+
+
+int main(int argc, char **argv)
+{
+  if (argc != 4)
+    usage();
+
+  if (!strcmp(argv[1], "m3"))
+    dfu_m3_m6(argv[2], argv[3]);
+  else if (!strcmp(argv[1], "m6"))
+    dfu_m3_m6(argv[2], argv[3]);
+  else if (!strcmp(argv[1], "m6sl"))
+    dfu_m6sl(argv[2], argv[3]);
+  else
+    usage();
+
+  return 0;
+}
+