Are you wanting your console downgraded? 
Well you came to the right place, We downgrade official firmwares from 4.80 to 3.55 OFW
All you have to do is ship your console to us and we will put your console on 3.55 OFW
As soon as you pay please contact us IMMEDIATELY so that we can verify that you have paid.
Once the console gets into our hands we will notify you asap, Make sure when sending it you are to bubble wrap it good.
I will be using the same box as you shipped it in unless the box has been damaged.
I will clean the old thermal paste off the CPU and RSX and add brand new Compound to the console (Artic Silver 5)
Before we ship it back to you we will make sure that the console is working in great condition and on the 3.55 update.
Once the console is out of our hands we are not responsible what happens.
You ship your console and pay for the shipping and return shipping is free.
Make sure before shipping or purchasing your console that you look at the chart below to know if your console is downgradeable.
If you know your console is downgradeable you can go head and ship to us and we will work on it for you.
We do not modify the console due to Ebay polices, You can contact for more information.
We offer 1 month warranty on our services
Refunds are not acceptable.
You are to be aware that your sony warranty sticker has to be removed to open the console.
Your console will be cleaned out perfect from all dust, Your console will be dust free once you receive it.

Consoles that can be done:
CECH-20xxA
CECH-20xxB
CECH-21xA
CECH-21xB
CECH-25xA (CHECK WITH FIRMWARE CHECKER)
CECH-25xB (CHECK WITH FIRMWARE CHECKER)
CECH-251xA
CECH-251xB

A chart will be listed below also just incase for you guys.

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If you have any questions please contact us.
We can do international ps3's but you will have to pay extra for the shipping.