G620-L02 Not supported

SigmaKey v.2.28.02
New version 2.28.03b1 is available on www.sigmakey.com. We strongly recommend to update SigmaKey!
121261525 Sigma dongle 2.28, Initializing...OK
Pack 1: Activated
Pack 2: Activated
Pack 3: Activated
--------- 2018-07-07 20:05:29 ---------
SigmaKey 2.28.02 Qcom: Write firmware
Android Sooner Single ADB Interface, Version 0.5, Name: MSM8916, Serial number: 1a23990
(ADB) Writing flash...UPDATE.APP
Firmware: G620S-L02V100R001C00B246
This operation may brick the phone! Are you sure you want to proceed? [YES]
Phone model: G620S-L02
Version: G620S-L02V100R001C635B249
Preparing...Unsupported phone model
--------- 2018-07-07 20:05:58 ---------
SigmaKey 2.28.02 HiSi: Write firmware
(ADB) Writing flash...UPDATE.APP
Firmware: G620S-L02V100R001C00B246
This operation may brick the phone! Are you sure you want to proceed? [YES]
Phone model: G620S-L02
Version: G620S-L02V100R001C635B249
Preparing...Unsupported phone model
--------- 2018-07-07 20:06:51 ---------
SigmaKey 2.28.02 Qcom: Write firmware
Android Sooner Single ADB Interface, Version 0.5, Name: MSM8916, Serial number: 1a23990
(ADB) Writing flash...UPDATE.APP
Firmware: G620S-L02V100R001C00B246
This operation may brick the phone! Are you sure you want to proceed? [YES]
Phone model: G620S-L02
Version: G620S-L02V100R001C635B249
Preparing...Unsupported phone model
--------- 2018-07-07 20:11:17 ---------
SigmaKey 2.28.02 Qcom: Write firmware
Android Sooner Single ADB Interface, Version 0.5, Name: MSM8916, Serial number: 1a23990
(ADB) Writing flash...UPDATE.APP
Firmware: G620S-L02V100R001C00B246
This operation may brick the phone! Are you sure you want to proceed? [YES]
Phone model: G620S-L02
Version: G620S-L02V100R001C635B249
Preparing...Unsupported phone model
--------- 2018-07-07 20:12:32 ---------
SigmaKey 2.28.02 Qcom: Remove FRP / Huawei ID
Android Sooner Single ADB Interface, Version 0.5, Name: MSM8916, Serial number: 1a23990
Phone model: G620S-L02
Version: G620S-L02V100R001C635B249
Getting info...Unsupported phone model