Need Help phone died! where are the good shop that repairs on mobile phone

does anyone know where i can

find a good shop that does repair?

or which shop should I avoid

on my mobile phone tablet?

or carries out free inspection?

for

samsung tab 4 lte 7.0



screen is blank

tried to charge

tried to turn on using power button it is

unreactive



i hope some kind soul can let me know the shop

name or location



or any youtube video which shows how to open up the tablet

via Hardware Forums http://ift.tt/1uL2wqQ