The Sony Xperia ACRO HD SOI12 mobile phone hard reset or factory reset is the same as the Sony Xperia E1 as well as the Sony Xperia ACRO S LT26w phone. You can use the codes below to do a hard reset or you can use the menu system. There is also software which can be used such as PC Companion from Sony which is also on this website.
Once the Xperia ACRO HD SOI12 has been reset the data such as your phone book and internet settings will also be deleted. This cannot be recovered once a factory reset has been done. You can use the PC companion software to backup your phone onto your computer or you can use software to copy your phonebook to the SIM as is also explained on this website.
Below you will find the reset process for the phone.
Hard Reset will erase all of your data
All described operations you are doing at your own risk.
Hard Reset Sony Xperia ACRO HD SOI12
Hard Reset Sony Xperia with Menu
Hard Reset Sony Xperia ACRO HD SOI12 by Code