How to recover Prestigio MultiPhone 8400 Duo – Windows Phone 8.1 to Factory Settings and Hard reset (Wipe) Hard reset Prestigio MultiPhone 8400 Duo using external hardware keys Turn off the device Press and hold the Volume down key and then briefly press the Power key. Release Volume Down key until the Exclamation (!) logo • Read More »
Tags: factory reset, hard reset, master reset, Prestigio MultiPhone 8400 Duo, windows phone