iphone cheker for 3GS new baseband or old baseband

[ghanshyamsolank]

iphone cheker tool

know your baseband is safe or unsafe for

upgrade or downgrade your baseband for 6.15.00

so you can use this tool easy

[gsmcentre]

This tool is good but has some limitations as it is contradicted by redsnow sometimes.
I have a handfull of 3gs iphones stuck in unlocking limbo bcos this iphone checker approves ipad baseband installation while redsnow warns against it.
I think it is about time to review it.