GSM Shield Box allows you to perform Flash, Unlock, Reset FRP and many other operations on Qualcomm, Mediatek, and Spreadtrum-based phones.

Octoplus Pro Box with EMMC/Jtag Samsung and LG activated is a multibrand tool that performs Flash/Unlock/Repair operations with various cell phones.
Supported operating systems: Windows 7/8/10
There are many video manuals about how to unlock, flash,software repair for Samsung and LG phones

Sigma – MTK Features Read Codes/Unlock

• Direct Unlock for Alcatel, Motorola, ZTE and other MTK brands and Huawei with old and new security types
• There is no need to select model from the list
• Standalone solution doesn’t need any server codes or credits
• All firmware versions and provider IDs are supported
• Fast unlock procedure
• Read User Code (unlike using “format FFS”, no private information will be lost)
• Read/generate all types of codes
• Support of specific firmware and hardware versions