Here is Samsung Galaxy J3 Orbit Official Firmware And Combination (stock ROM); Download the latest flash file for Samsung Galaxy J3 Orbit. Operating system optimization, hang on logo or stuck logo only fix, boot loop fix, and dead after the flash fix, This firmware also helps to reset FRP Gmail bypass
There is another way to update your phone software for free, If the warranty on your phone is still running, then take it to the service center. And if you have your smartphone insured, then contact it
Note: Check the term condition of the insurance company first, because the insurance company does not accept the claim regarding software updates.
U4 COMBINATION_FAC_FA80_S367VLUDU4ASG1 :
Flash Tool And Flashing Driver
Flash Tool For Software Update: Google Drive
Flashing Driver For USB Connectivity: Google Drive