Sony ericsson mini pro u20i wifi problem

SOURCE: connection error in wifi of sony ericsson w705i

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SOURCE: sony ericsson xperia x10 mini pro unlock code

direct unlock your Sony Ericsson X10 mini pro using your cable and this server http://www.fonefunshop.co.uk/Unlocking/unlock_sony_ericsson_x10_server.htm

unlock takes approx 10 seconds, which is a hell of a lot faster than waiting for an unlock code.

SOURCE: i am trying to put

Contacts, Hit the options key (The one on the left with 4 dots) then Backup, and choose Sim Card

SOURCE: unlock sony erricsson xperia mini pro u20i

you can unlock your phone here http://www.superunlockcodes.com/sony-ericsson-xperia-x10-mini-pro/rs12wp9/
They will provide the code when you enter your imei number,you just need to select your phone model and network provider

SOURCE: sony ericsson xperia mini pro

There's an app you can download from android market called contact2sim which will let you do this.