Mar232012 HDC S2 secret enginiring menu adminAndroid0 Comment < 1 min. reading To go into the phone’s secret EngineerMenu type this combination: *#*#3646633#*#*. Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Click to share on LinkedIn (Opens in new window) LinkedIn Click to share on Pocket (Opens in new window) Pocket Click to share on Reddit (Opens in new window) Reddit Click to share on Telegram (Opens in new window) Telegram Click to share on Tumblr (Opens in new window) Tumblr Click to share on Pinterest (Opens in new window) Pinterest Click to email a link to a friend (Opens in new window) Email More Click to share on WhatsApp (Opens in new window) WhatsApp Click to print (Opens in new window) Print