Signal and service issues on the S21 series are typically related to an antenna issue. Even if your new part came with the antenna in the top right corner, you need to transfer the antenna from the original screen and frame. Not sure why, but they seem to be paired together and not transferring the original will typically result in degraded service or no service at all.
Signal and service issues on the S21 series are typically related to an antenna issue. Even if your new part came with the antenna in the top right corner, you need to transfer the antenna from the original screen and frame. Not sure why, but they seem to be paired together and not transferring the original will typically result in degraded service or no service at all.