Blackview Sigma Stock ROM (Flash File). Free download Official Firmware ROM for Blackview Sigma MT6592. You can use it to update and downgrade the device, fixing the device facing bootloop issue or any software issue.
Download ROM for Blackview Sigma:
File Name: Blackview_Sigma_MT6592-S902_C1_V8_BLACKVIEW_V0.3.rar
Size: 357 MB
Link: Download via Server 2 – Download via Server 1
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