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replaced http://android.stackexchange.com/ with https://android.stackexchange.com/

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edited Apr 13, 2017 at 12:18

1

Are you sure you're dialing it right? I just dialed wrong twice in a row (*#*# not #*#*) and got this error: "Connection problem or invalid MMI code." When I dial it correctly, my HTC G1 reports Phone information, battery info and history, and usage statistics.

Take a look at this more general question about dialer codes (aka secret star codes) for reference, too: Is there an official dialer code resource?Is there an official dialer code resource? There are some good links there for lists of dialer codes and some caveats about using them without adult supervision.

Are you sure you're dialing it right? I just dialed wrong twice in a row (*#*# not #*#*) and got this error: "Connection problem or invalid MMI code." When I dial it correctly, my HTC G1 reports Phone information, battery info and history, and usage statistics.

Take a look at this more general question about dialer codes (aka secret star codes) for reference, too: Is there an official dialer code resource? There are some good links there for lists of dialer codes and some caveats about using them without adult supervision.

Are you sure you're dialing it right? I just dialed wrong twice in a row (*#*# not #*#*) and got this error: "Connection problem or invalid MMI code." When I dial it correctly, my HTC G1 reports Phone information, battery info and history, and usage statistics.

Take a look at this more general question about dialer codes (aka secret star codes) for reference, too: Is there an official dialer code resource? There are some good links there for lists of dialer codes and some caveats about using them without adult supervision.

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created Apr 12, 2011 at 14:38

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Are you sure you're dialing it right? I just dialed wrong twice in a row (*#*# not #*#*) and got this error: "Connection problem or invalid MMI code." When I dial it correctly, my HTC G1 reports Phone information, battery info and history, and usage statistics.

Take a look at this more general question about dialer codes (aka secret star codes) for reference, too: Is there an official dialer code resource? There are some good links there for lists of dialer codes and some caveats about using them without adult supervision.