How to enter Sony Xperia Tipo Dual ST21i2 Fastboot mode and Hardreset Fastboot mode Turn off power off by pressing Power key Press and hold Volume Down key Connect the Xperia to USB Cable Done! Originally posted 2015-04-16 08:29:46.
Tags: factory reset, fastboot mode, hard reset, master reset, Sony Xperia Tipo Dual ST21i2