LGtool is one of the best software to service, unlock and repair most of LG phones: GSM and CDMA, as well from simplest models to top-level smartphones and tablets.
Paid credits added in addition to free credits
Updated HTC IMEI calculator
Added Exclusive models for paid service
Added support for a lot of new Samsung models without rooting.
More than 2 years ago, this was great because it was free, now it is an overpriced add-on with the zero support. It only supports older phones, don't waste your money.