How to Display the Test Screen on a Samsung A737
Some users find the typical setup of a phone to be dull and monotonous. Experienced users often like to customize things that lie much deeper than the phone's carrier allows by default. A phone's test screen allows access to modifying many of these types of settings. Accessing the test screen is only the beginning and on the Samsung A737, a phone for AT&T Wireless, it's a fairly simple process.
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Instructions
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Charge the phone fully. A full battery is not mandatory to access the test mode, but you would not want the battery to die while in this mode.
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Power the phone on if it isn't already.
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Back out of any menus to ensure that the phone is at the main screen.
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Type "*#0002*28346#" into the phone to access the test mode screen.
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Tips & Warnings
Always be careful what you modify in a test screen of a phone; without proper know-how, you may render your phone useless.
References
Resources
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