ช่วยทีครับผม

Hi I have some problem for my GT-I9500 i want to update os to I9500XXUGNI1 so I try to update by myself from https://droidsans.com/node/160652 and https://droidsans.com/node/166416
but my device is show error

Skipping MD5 check : no MD5 file not found
Error flashing zip ‘/external_sd/THL – I9500XXUGNI1 – 20141001141614.zip’
Updating partition details…
…done

https://m.ak.fbcdn.net/sphotos-h.ak/hphotos-ak-xpf1/v/t34.0-12/11006413_787869087948181_955033773939237207_n.jpg?oh=803d76566de5f8dde70e02fd1c931613&oe=54EBBDAB&__gda__=1424667732_47c3a966c37612bd68e7f26813bbf5f4

https://m.ak.fbcdn.net/sphotos-h.ak/hphotos-ak-xpf1/v/t34.0-12/11021046_787869091281514_7489291347521809338_n.jpg?oh=eca962f7d21009c03f3408886624d38d&oe=54EA9625&__gda__=1424652698_12211c2149ffcde010963df1565cd508