This product is a result of developers' own solutions which makes it the most reliable servicing tool on the market.
Octopus / Octoplus Unlimited Sony Ericsson + Sony Activation lets you service (perform phone flashing procedures, unlock phone, repair IMEI, etc.) unlimited amount of latest Sony Ericsson mobiles with Octopus Suite software.
Please note that you'll be able to use Octopus / Octoplus Unlimited Sony Ericsson + Sony Activation with Octopus Box orOctoplus Box servicing boxes only (box should be connected to PC and its smart-card detected via software). Otherwise, you'll be charged according to the Octopus server credits consumption table.
Please note that Repair IMEI / Unlock procedures won't work for phones Sony Ericsson, which were manufactured after 12W10 (12W11, 12W12, 12W13 and later) (phones with so-called new security). There are no restrictions on Sony devices manufacturing date.
You can find phone's production date on the sticker under the battery: