crwdns2934241:0crwdne2934241:0 80stechkid

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How to enter test mode on a Wi-Fi only model?

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I wanna enter test mode on my GT3, but I can't because I have the Wi-Fi only model, without a phone dialer to enter ''#*0''*#. This device is too old to have Samsung Members. How do I enter test mode?

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Samsung Galaxy Tab 3 7.0

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open