dd if=/volume1/app/vendor.bin of=/dev/mtdblock3( i f+ N% j7 F4 c' E+ f/ F
dd: writing to ‘/dev/mtdblock3’: Operation not permitted$ f7 A+ \5 ~1 o
1+0 records in 7 w( C. }/ Z. R0+0 records out * a+ y4 u4 b8 W/ e0 bytes (0 B) copied, 0.00330307 s, 0.0 kB/s * ]- e8 }- v, A7 D8 B好像不行