Itools Subscription device failed

A lot of friends when using itools, there will usually be itools subscription device failure error prompts, this problem, you can try the following methods to resolve

Turn on the computer's control panel--performance and maintenance--management tools--services--Set the Apple Mobile device to boot.

But if it still doesn't work, we recommend that you reinstall itunes or keep looking at the following:

If you don't want to install itunes, you can install the iphone driver or use the Itools method to summarize:

In general, we recommend that you install itunes first so that you can buy free software for a limited time, or some other feature.

But for high-end users, you can also use Itools to install itunes by installing only the itunes drive.