The Samsung Galaxy S3 (SCH-R530) for US Cellular remains a legendary device in the Android community. While official support ended years ago, the custom ROM scene has kept this hardware alive, allowing users to experience newer versions of Android, improved performance, and a bloatware-free environment.
The US Cellular Galaxy S3 uses specific radio firmware. Ensure the ROM you download explicitly supports the or the d2usc build. Using a ROM meant for the AT&T (d2att) or Verizon (d2vzw) variants may break your cellular connection or GPS. rom for samsung galaxy s3 us cellular