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This problem is not generally solvable, because there is no universal "Android phone app", and that is what is responsible for showing you a particular display name. Google supplies an open-source...
Answer
#1: Initial revision
This problem is not generally solvable, because there is no universal "Android phone app", and that is what is responsible for showing you a particular display name. Google supplies an open-source version of Android that can be taken and adapted by anyone to run on a particular phone. Google doesn't use it unaltered on their own phones. The larger a phone manufacturer is, the more likely they are to change or replace Android components, including the phone application. There may be a specific answer for this version of the phone application, but there is no general answer.