VVDI MB BGA unlock W212 ELS with NEC adapter

Today tried to unlock Mercedes-Benz W212 ESL with vvdi mb bga tool v2.1.7
Blocked ESL renew succeed
Get pass online BGA key first attempt
EIS renew then personalize ESL successful
All working great
Now unlock W212 ELV unit NEC chip in 27 min
Someone feedback I had it once with a W212 fatal AA error flag unlock in under 10 min.
*** Require firmware V2.1.7
===== BENZ V2.1.7 =====
Attention: All user update device to firmware v2.1.7, software v2.1.7
User manual v1.7 released, overview v1.7 released
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Xhorse vvdi mb tool v2.1.7 download:
Password: 123456