Sigma Software v1.21.01 released! ZTE-G R621 is added to the list of supported.

Dear Users,

Just an hour ago we've received a package from Dominican Republic and decided to put out a new software build that would contain a solution for new ZTE phone model.

And here it is! We are glad to introduce new version of Sigma Software v1.21.01!

This time we've developed the following new solutions:

• First in the World ZTE-G R621 (MT6252) phone model was added for unlock purposes via patching.

Best Regards

GSMServer team

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