1-Download v2 calculator from here https://www.dropbox.com/s/suvv7wnscg...icalc.exe?dl=0
2-Type IMEI and Generate unlock code (v201)
3-Download Hlink mobile App
4-Launch app go to Settings>Device>Unlock Device
5-Type your unlock code. done.

Or use Dc-unlocker and detect your device then type

AT^CARDLOCK="8digits unlock code" then press enter.
if it says OK then your device is unlocked.

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Download Firmware from here https://www.dropbox.com/s/r03qvbyeau...ersal.zip?dl=0