Random BK7252U Firmware Dump: Pix-Link 'A9' Cam, CYCAM_RW101P_v19_1010

Found a BK7252U firmware dump on Discord to be paired with an app I've not seen before.

No information about the device it came from apart from "its an A9 cam uses the pix-link app".

It boots on an encryption key free BK7252U.

Boot log from P0



Then silent on both UARTs.

AP broadcast


Pairs with the Pix-Link Cam app



Strings of interest in the dump



It’s using a PPCS-style (Peer-to-Peer Connection Service) P2P cloud stack

There are loads of strings like:



ΡΙΧΑ-180431-XLPNL

The apparent product name and version CYCAM_RW101P_v 19_1010 seen in the app might link it to the RW101P Snowman https://www.pix-link.com/rw101p-snowman


but that doesn't quite tally with it being described as an "A9".

backup file: https://github.com/divadiow/FlashDumps/blob/m...%CE%91-180431-XLPNL_CYCAM_RW101P_v19_1010.bin

Partitions info

Interesting, but that's a separate app, not just a reskin of another solution?

This IP - http://120.79.76.240:9093 - seems to be offline. It doesn't look local. Strange that they use HTTP.

Well, immediately after playing with the BK7252U dump I opened a tiny BK7252N device that uses the CY365 app. So PIX-LINK could be re-skin of that, it's all the same inside.