JC - I did. Here's what it says.....
220.127.116.11 os for 8820 on TurkCell. Multilanguage, including English.
BlackBerry Handheld Software v18.104.22.168 (Multilanguage)
Package Version: 22.214.171.124
* Applications: 126.96.36.199
* Software Platform: 188.8.131.52
* File name: 8820M_PBr4.5.0_rel52_PL184.108.40.206_A220.127.116.11_Turkcell .exe
* File size: 80.12MB
I don't want to use .52/.37 and I didn't see 18.104.22.168 for the 8820 anywhere (at least officially.... ;) )