SigmaKey is a brand new mobile flashing and unlocking software tool, specially designed to service the latest MTK, TI OMAP, Broadcom and Qualcomm phones
More details on Sigma MTK Features can be viewed on the manufacturer's website.
Details on Sigma Qualcomm Features can be viewed on the manufacturer's website.
Other Sigma Broadcom Features can be viewed on the manufacturer's website.
Wider list of supported mobile phones can be viewed on the manufacturer's website.