2Toer: Sony Xperia tipo dual ST21i2/ ST21a2 Hard Reset Open Cover Insert SIM Card microSD

Yes, the Xperia tipo dual is a version of Sony ST21 but it supports 2 sim cards at once. That is why the series name of this device is ST21i2 (Global) or ST21a2 (America). The SIM cards are used mini-SIM type. And of course for the display, the OS, the CP

www.2toer.com