Custom OS cause critical problem

[kashyap1]

Dear sir/ma'am,

A custom OS cause critical problem in my samsung j7 mobile and it's show many times and auto close my phone for long time and not on again ...

Please help for the same..

For reference please find attached..

Thanks/Regards,

Manish kumar

[Gurmeet1]

Download official Rom From Sammobile And Flash via Odin.

[kashyap1]

how i dowload that pls send the link for the same

[kashyap1]

pls send the update for this critical problem bcse my phone not properly also hang and some app not work also when phone close then it's not on automatically

[Roland_Asuncion]

That is what we call ODIN mode or Download mode. It usually is used when a repair techinician fixes your phone or you install a custom rom