Nk5200
 

i have one 5200 blue screen , after flash ....OK , and after 1 week , the customer come back with same problem :confused: ( this happend 3 times already):(

is the phone working in blue screen mode(incoming + outgoing)? have you change flex cable ?

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the phone is not working in blue screen mode(not starting) , after flash is OK , working...:( , no need to change flex

did you try to replace new lcd if yes
reheat display ic