Hi there,
I have been using my R4 from last Aug with no problem. From about a month ago, I found it became not detecting Ka band sometimes, and then MRCD (I'm in New York City) band. From last week, my R4 does not detect any band. I updated the firmware to the last one 130.123.116. 2024/04/02, and did twice factory resets, no help came. I also have a R3 and it works well. I put my R4 and R3 together on my car and did 2 days test, the R3 works perfect, but the R4 does not detect any band...
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I have been using my R4 from last Aug with no problem. From about a month ago, I found it became not detecting Ka band sometimes, and then MRCD (I'm in New York City) band. From last week, my R4 does not detect any band. I updated the firmware to the last one 130.123.116. 2024/04/02, and did twice factory resets, no help came. I also have a R3 and it works well. I put my R4 and R3 together on my car and did 2 days test, the R3 works perfect, but the R4 does not detect any band...
Read more