This OS is for the older model of Algiz 7 (units with grey back case). These units were sold before aug-14.
To see the difference between the new and old model, click here.
Guide on how to install the OS update here.
You can find the OS for the newer version HERE.
Below you will find OS for Alg7 one for units with GOBI 2000 and the other for uints with GOBI 3000.
Windows updates installed form 2015-09-01.