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+---- Thread: secret of oppo smart phone (/showthread.php?tid=5574662)
secret of oppo smart phone - anc_voin - Mar 14, 2017
im searching for some secrets of oppo and my friends teach me one of the secret of oppo. #*#4636#*#
if you use this code on keyboard (when to call someone) (sorry idk what the words to put in) then it'll show u an extra settings.
hopefully this will help you all