The most common make is Gevey -see http://www.gevey3.com/products.htm
The modern ones do not use software but different versions support different fw.
The 7 does support up to 6.14 but the 7+ only goes to 6.1
Identifying which one you have will be the complicated bit.
The modern ones do not use software but different versions support different fw.
The 7 does support up to 6.14 but the 7+ only goes to 6.1
Identifying which one you have will be the complicated bit.