heroB+, J3455 cpu, any BIOS Updates?

Laptops HeroBook Plus
1

Hi,
I wanted to check my heroB+ Bios is upto date.
I entered my serial number but it came up with invalid.
HeroB P+128G20126559

In the Bios it says:
Core version 5.12
Project version: CHUWI10x, WP3258, NLNAU…
MRC vers 0
MRC vers: 0.56
PMC FW 03.28
TXE FW 3.0.13.1144

  1. What version am I on
  2. what is the latest ?
  3. where can i find the latest update on BIOS
2

What date did you buy it ?

3

Why is that is any relevance ?

4

The product is lomng long time discontinued. There is no update on anything. We apologize

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