Polytron 4G502 Stock ROM (Flash File). Free download Official Firmware ROM for Polytron 4G502. You can use it to update and downgrade the device, fixing the device facing bootloop issue or any software issue.
Download ROM for Polytron 4G502:
POLYTRON 4G502_MT6735.rar | Download via Server 1 – Download via Server 2
Download SP Flash Tool for Windows – New Version