what's engineer mode in an anoriod phone ?
for example like one we get in anoriod kitkat version 4.4.4
like testing spare parts function
and how to disable it an anoriod phone if not downloaded from play strore ?
for example like one we get in anoriod kitkat version 4.4.4
like testing spare parts function
and how to disable it an anoriod phone if not downloaded from play strore ?
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