Hi,
I followed the instruction (kudos on documenting it so well!) and managed to install the mod on my Galaxy Watch 3. It measures the blood pressure, however I cannot make ECG feature working. Previously I had a simpler setup (followed
this manual) which only enabled ECG feature. It worked fine back when I installed it, but today I realized that it does not react on my finger put on the top button (which again worked fine in the past), and would not begin measuring accordingly. I thought that it should have something to do with a recent update of watch software, and then googled and followed this manual (I also deinstalled the old software from both my watch and my phone, and rebooted both). Still, it measures the blood pressure, but no luck with ECG.
Any hints on solving that? Thanks!
That website is just sad...
Self-hosting files that have become over a year old, no credits nor reference to XDA, written as if he/she figured out the solution and steps, just sad...
Anyway, you should use the latest files from here (phone mod and watch mod)... after that, hide the Original shm on your watch from galaxy wearable -> manage apps and restart the watch so on-boot the stock shm on the watch doesn't run, open the shm mod on your watch and hit open on the phone and complete the steps and record an ECG...
If you still unable to test, turn off the watch, gently wash it under baby warm water, and press on the ECG probe several times gently(the button you rest your finger on), if there is any dust, oil or dirt, it should be gone... dry it with tissue then set it aside for 30 mins at least to dry on its own... after that turn it on and try...
Still not working, backup the watch and reset it, you shouldn't need to create the certificates again, proceed to install the watch mod again and try the ECG...
If it doesn't work, open the dial and enter *#0*# it should bring up diagnostic mode, check the sensors, they should show pass or numbers...
You're free to try installing the deprecated standalone ECG, if that doesn't work anymore, then the ECG probe malfunctioned (hardware failure) but hopefully not...