I am facing this problem in my samsung galaxy j2 phone

[ar65]

Please help 

[ar65]

This problem

[ritesh321]

Hard reset the device or press volume up

[ar65]

I have done nothing but it automatically shows

[RαʝҽʂԋKυɱαɾ21]

JUST
RESTART (press Volume down ) THE DEVICE !
IT WILL SWITCH TO NORMAL STATE !

THIS WILL SOLVE YOUR PROBLEM !

[ar65]

I don't have so much money to by a new phone

[ar65]

I am a poor boy

[ar65]

I have bought this phone 5 years later by arranging money

[RαʝҽʂԋKυɱαɾ21]

JUST PRESS VOLUME DOWN !
IT WILL SOLVE YOUR PROBLEM!

[Kawsar4s]

Install os in your phone.