Unfortunately, this is not possible Rainer911 There is no fixed code for the SQR49. The previous owner made it up. You can only determine fixed codes based on the serial number. I had also tried that first.
As already written, there are some Blaupunkt radios where an individual code can be entered. And this can not be calculated via the serial number, but must be read from the radio. These include the following radios:
Calculate the original activation code for your unit manufactured by Blaupunkt Gmbh or Bosch using the 14-character serial number you can find on the box label. Examples of valid Blaupunkt serial numbers:
Do you already have the code for your Blaupunkt unit? It's time to introduce it. Press button 1 as many times as necessary until you see the first digit of the code on the screen. We move on to the second digit, repeatedly pressing button 2. We repeat the process with buttons 3 and 4. We make sure that the code is correct and confirm. Depending on the radio model, the button to confirm can be: up arrow, AS button or search button.
If you have purchased a Blaupunkt code using our service, but it is not working, don't worry; sometimes it happens. There is a great variety of units, and in some instances, we must do an additional review. If this is your case, let us know by email or chat that you can find on this page.
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