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Editorial Team
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Asked: 2026-06-18T08:14:32+00:00

This is a follow up question to In-application update downloads from server not working.

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This is a follow up question to In-application update downloads from server not working. Service provider error?. I have changed the mobile internet settings to “do not adapt any sites”, but now I am getting the following error message. Your request did not supply a client identification header.

I already tried setHeader for HttpGet as below, but this made no difference. What could this error message mean?

httpget.setHeader("Accept", "application/vnd.android.package-archive");
httpget.setHeader("Content-Type", "application/vnd.android.package-archive");
String userAgent = System.getProperty("http.agent");
httpget.setHeader("User-Agent", userAgent);

I can download the .apk with no problems from within the Android Internet Browser and the code is working on a different tablet and OS version on the same mobile carrier. Please any help or ideas are welcome. This is driving me crazy.

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1 Answer

  1. Editorial Team

    I had to manually define the user agent string as below. Worked after doing that.

    String userAgent = "Mozilla/5.0 (Linux; U; Android 2.2; en-us; SCH-I800 Build/FROYO) AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1";
httpget.setHeader("User-Agent", userAgent);

    Hope this helps someone with the same problem.

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