Hi,
I have managed to unlock my HP 850 G8.
Big thx for all the hints and instructions here in this forum!

Since I have started from scratch with this topic and invested quite some hours I'd like to share my experience. Hope it is useful.
What you need:
Hardware (all bought on amazon)
- Hot Air Heat Gun - I have bought the cheapest (885D - 50€)
- Programmer - T48 Programer (130€) be careful you have a SOIC8 to DIP8 adapter included.
The adapter
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