JC - I did. Here's what it says.....
22.214.171.124 os for 8820 on TurkCell. Multilanguage, including English.
BlackBerry Handheld Software v126.96.36.199 (Multilanguage)
Package Version: 188.8.131.52
* Applications: 184.108.40.206
* Software Platform: 220.127.116.11
* File name: 8820M_PBr4.5.0_rel52_PL18.104.22.168_A22.214.171.124_Turkcell .exe
* File size: 80.12MB
I don't want to use .52/.37 and I didn't see 126.96.36.199 for the 8820 anywhere (at least officially.... ;) )