From 37cf929d035a0ac251339156930a041e4f69e92d Mon Sep 17 00:00:00 2001 From: Arslaan Pathan Date: Sun, 29 Mar 2026 17:09:24 +1300 Subject: Note that main characteristics are 'Zk' and also put newline there --- README.md | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'README.md') diff --git a/README.md b/README.md index 59210ff..931bc06 100644 --- a/README.md +++ b/README.md @@ -1,4 +1,6 @@ -# zwzn-freefit-re Reverse-engineering a sketchy Chinese watch app +# zwzn-freefit-re + +Reverse-engineering a sketchy Chinese watch app Documentation/protocols derived from decompiled FereFit Android app (jadx) (com.czw.freefit, SHENZHEN ZHONGWEI INTELLIGENT TECHNOLOGY Co.,Ltd) @@ -22,7 +24,7 @@ Anyway, talk is cheap, let's get into the documentation! ## BLE characteristics -### Main characteristics (presumably Nordic UART/Nordic semiconductor chips) +### Main/"Zk" characteristics (presumably Nordic UART/Nordic semiconductor chips) - Service UUID: 6E40FC00-B5A3-F393-E0A9-E50E24DCCA9E - Write characteristic UUID: 6E40FC20-B5A3-F393-E0A9-E50E24DCCA9E - Notify characteristic UUID: 6E40FC21-B5A3-F393-E0A9-E50E24DCCA9E -- cgit v1.2.3