Just dial *#*#4636#*#*
Then....... May bglang mag aappear sa window nio....na testing
Tapos pili kau kng anong sim gsto nio mging h+ ang signal pnta kau sa pnka baba may mkikita kaung set preffered network then change to WCMDA ONLY then exit thats it
Hope it helps u!!
nice one sir! i commend u! ^^
gumagana po sakin