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Enable ECG(BP Featur) On Non-Samsung Phones for Galaxy Watch 3, Active 2 Step-By-Step

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fldj22

New member
Jul 13, 2021
3
0
Hi
I followed all the steps but I've this error:

Enter certificate password: [email protected]
Setting configuration is succeeded....

[Fatal Error] :1:1: Premature end of file.
Loaded in 'C:\Fit2Installer\Fit2Installer\tizen\profiles.xml'.
author path: C:\Fit2Installer\Fit2Installer\tizen\tizen-studio\tools\ide\bin\..\..\..\..\..\cert\author.p12
author password: ***********
distributor1 path: C:\Fit2Installer\Fit2Installer\tizen\tizen-studio\tools\ide\bin\..\..\..\..\..\cert\distributor.p12
distributor1 password: ***********

Exception in thread "main" java.lang.IllegalAccessError: class org.tizen.common.util.CipherUtil (in unnamed module @0x5649fd9b) cannot access class com.sun.org.apache.xerces.internal.impl.dv.util.Base64 (in module java.xml) because module java.xml does not export com.sun.org.apache.xerces.internal.impl.dv.util to unnamed module @0x5649fd9b
at org.tizen.common.util.CipherUtil.getEncryptedString(CipherUtil.java:117)
at org.tizen.common.sign.preferences.SigningProfile.writeProfileItem(SigningProfile.java:290)
at org.tizen.common.sign.preferences.SigningProfileContainer.writeProfile(SigningProfileContainer.java:346)
at org.tizen.common.sign.preferences.SigningProfileContainer.writeProfileXML(SigningProfileContainer.java:315)
at org.tizen.ncli.ide.shell.AbstractSecurityProfileCLI.writeXML(AbstractSecurityProfileCLI.java:114)
at org.tizen.ncli.subcommands.sign.SecurityProfileAddCLI.execute(SecurityProfileAddCLI.java:147)
at org.tizen.ncli.ide.shell.SecurityProfilesCLI.execute(SecurityProfilesCLI.java:60)
at org.tizen.ncli.ide.shell.AbstractCLI.execute(AbstractCLI.java:92)
at org.tizen.ncli.ide.shell.Main.run(Main.java:144)
at org.tizen.ncli.ide.shell.Main.main(Main.java:78)

Where did I miss something ?

Thanks
 
So you say that it doesn't work with the latest JDK ?
Where can I find JDK 15 .
Thanks
No, it doesn't work with the latest JDK, JDK 15 is archived now on oracle website, you can download it after signing in on oracle (register and sign in if you don't have an account) or grab the copy on my drive in my thread, link in the signature...
 

maRt1nka

New member
Jul 15, 2021
1
0
Hi!

On my oneplus 8 pro doesnt work the BP... the ecg works fine. Can someone help me? if im trying to install the bp.apk it says: couldn't install

Thank you.
 
Last edited:

kcpr

New member
Jul 19, 2021
1
0
when I run sign.bat I get these results:

Enter certificate password: ********
The system cannot find the file E:\Documents\Galaxy.
Error: Could not find or load main class Smart
Caused by: java.lang.ClassNotFoundException: Smart
The system cannot find the file E:\Documents\Galaxy.
Error: Could not find or load main class Smart
Caused by: java.lang.ClassNotFoundException: Smart
The system cannot find the file E:\Documents\Galaxy.
Error: Could not find or load main class Smart
Caused by: java.lang.ClassNotFoundException: Smart
The system cannot find the file E:\Documents\Galaxy.
Error: Could not find or load main class Smart
Caused by: java.lang.ClassNotFoundException: Smart
Press any key to continue . . .

I do not have a folder called E:\Documents\Galaxy
I do have a folder called E:\Documents\Galaxy SmartWatch 3

I get the above results after following instructions to copy various files from C:\Tizen-Studio into subfolders under Fit2Installer folder structure. I also replaced JDK16 with JDK 15.
I have the cert folder under Fit2Installer populated correctly along with a populated sigme folder with Fit2INstaller.
I haven't been able to find any information on this error message
 
when I run sign.bat I get these results:

Enter certificate password: ********
The system cannot find the file E:\Documents\Galaxy.
Error: Could not find or load main class Smart
Caused by: java.lang.ClassNotFoundException: Smart
The system cannot find the file E:\Documents\Galaxy.
Error: Could not find or load main class Smart
Caused by: java.lang.ClassNotFoundException: Smart
The system cannot find the file E:\Documents\Galaxy.
Error: Could not find or load main class Smart
Caused by: java.lang.ClassNotFoundException: Smart
The system cannot find the file E:\Documents\Galaxy.
Error: Could not find or load main class Smart
Caused by: java.lang.ClassNotFoundException: Smart
Press any key to continue . . .

I do not have a folder called E:\Documents\Galaxy
I do have a folder called E:\Documents\Galaxy SmartWatch 3

I get the above results after following instructions to copy various files from C:\Tizen-Studio into subfolders under Fit2Installer folder structure. I also replaced JDK16 with JDK 15.
I have the cert folder under Fit2Installer populated correctly along with a populated sigme folder with Fit2INstaller.
I haven't been able to find any information on this error message
Why copy files (other than certificates)?
You'll just grab the certificate files into cert and run the sign.bat
And good thing you have JDK15...
I'd suggest you extract a fresh Fit2Installer directly on the C drive (because if the folder has special characters (non-English letters) then it will break and show the path does not exist error) and place the certificates in cert folder, place the tpk you want to sign and run the sign.bat...
Everything should work fine, don't copy anything else...
 
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bracki7

New member
Aug 14, 2008
2
0
Hi guys, I have still problem. I made ECG from this film and instruction. It works, but ... anyway, it works.
But still I cannot install BP.tpk. I made all points from first page of this thread. But there is problem with create "My Profile" Look:
Loaded in 'C:\Users\XXX\OneDrive\Pulpit\Fit2Installer\Fit2Installer\tizen\profiles.xml'.
Specified file not found: C:\Users\XXX\OneDrive\Pulpit\Fit2Installer\Fit2Installer\cert
There is no C:\Users\XXX\OneDrive\Pulpit\Fit2Installer\Fit2Installer\cert.
There is no MyProfile.
and then
Package( C:\Users\XXX\OneDrive\Pulpit\Fit2Installer\Fit2Installer\install_me\BP.tpk ) is created successfully.

But when I trying instal in Device Manager, I have this error:
Failed to install the app:

Reason:
processing result: General error [-1] failed.

Here C:\Users\XXX\OneDrive\Pulpit\Fit2Installer\Fit2Installer\cert the folder is not epmty, I made point 14 and 15
(14. Go to the certificate(C:/Users/USERNAME/SamsungCertificate/cert_name) you just created and copy all files. inside the folder
15. Go to C:\Users\USERNAME\Desktop\Fit2Installer\cert Paste all the certificate file you just copied.)

I checked all paths in each folders in Fit2Installer but I have no idea what I did wrong.. Any clue?
 
Hi guys, I have still problem. I made ECG from this film and instruction. It works, but ... anyway, it works.
But still I cannot install BP.tpk. I made all points from first page of this thread. But there is problem with create "My Profile" Look:
Loaded in 'C:\Users\XXX\OneDrive\Pulpit\Fit2Installer\Fit2Installer\tizen\profiles.xml'.
Specified file not found: C:\Users\XXX\OneDrive\Pulpit\Fit2Installer\Fit2Installer\cert
There is no C:\Users\XXX\OneDrive\Pulpit\Fit2Installer\Fit2Installer\cert.
There is no MyProfile.
and then
Package( C:\Users\XXX\OneDrive\Pulpit\Fit2Installer\Fit2Installer\install_me\BP.tpk ) is created successfully.

But when I trying instal in Device Manager, I have this error:
Failed to install the app:

Reason:
processing result: General error [-1] failed.

Here C:\Users\XXX\OneDrive\Pulpit\Fit2Installer\Fit2Installer\cert the folder is not epmty, I made point 14 and 15
(14. Go to the certificate(C:/Users/USERNAME/SamsungCertificate/cert_name) you just created and copy all files. inside the folder
15. Go to C:\Users\USERNAME\Desktop\Fit2Installer\cert Paste all the certificate file you just copied.)

I checked all paths in each folders in Fit2Installer but I have no idea what I did wrong.. Any clue?
I suggest you place the fit2installer in the root of the C drive, I assure you that you won't face path not found, your error shows broken path because:
1. Very long path
2. Special characters path
3. Path is blocked by another app
 

atcmonke

New member
Jul 18, 2011
2
1
Hey Dante63,
Having issues with getting the APKs to be signed for some reason. It's the same java error messages some folks are getting and before you repeat yourself - I did install JDK 15, not 16 or anything in between.

Specs:
1. Phone apps:
*Developer mode: on
*Install Unknown Apps: enabled
*SH: 6.16.0.047 (min SDK26)
*SHM: 1.1.0.193.dante63
2. Watch:
*Developer mode: on
*Model: SM-R825U
*Tizen: 5.5.02
*Debug: On
*Wifi: Always on
*Display: Always on, 5min timeout
*SHM pre-loaded (hard way as mentioned in your video)
3. PC:
*PC and watch are on same network and have confirmed pairing
*Java: 8.0.3010.9
*Java SDK: 15 (64-bit)
*PATH set as advised (.../AppData/.../jdk/bin;...)
*Fit2Installer: C:\Fit2Installer
~Appropriate files copied from C:\tizen-studio into Fit2Installer/tizen/tizen-studio
*cert was made through Certificate Manager following guide without issue
*cert files copied over to Fit2Installer/cert
*Files: from gdrive, link provided in the yt video (unsigned moded BP and ECG apk)
*have restarted at least twice

The errors I'm getting:
1628119284297.png


Any help, from anyone, is greatly appreciated it.
 
Last edited:
Hey Dante63,
Having issues with getting the APKs to be signed for some reason. It's the same java error messages some folks are getting and before you repeat yourself - I did install JDK 15, not 16 or anything in between.

Specs:
1. Phone apps:
*Developer mode: on
*Install Unknown Apps: enabled
*SH: 6.16.0.047 (min SDK26)
*SHM: 1.1.0.193.dante63
2. Watch:
*Developer mode: on
*Model: SM-R825U
*Tizen: 5.5.02
*Debug: On
*Wifi: Always on
*Display: Always on, 5min timeout
*SHM pre-loaded (hard way as mentioned in your video)
3. PC:
*PC and watch are on same network and have confirmed pairing
*Java: 8.0.3010.9
*Java SDK: 15 (64-bit)
*PATH set as advised (.../AppData/.../jdk/bin;...)
*Fit2Installer: C:\Fit2Installer
~Appropriate files copied from C:\tizen-studio into Fit2Installer/tizen/tizen-studio
*cert was made through Certificate Manager following guide without issue
*cert files copied over to Fit2Installer/cert
*Files: from gdrive, link provided in the yt video (unsigned moded BP and ECG apk)
*have restarted at least twice

The errors I'm getting:
View attachment 5378329

Any help, from anyone, is greatly appreciated it.
Two things I'm curious about:
*PATH set as advised (.../AppData/.../jdk/bin;...)

Because you used JDK 15, you don't need to set any PATH, it should've been set by the JDK, you may have override JDK 15 path with something that may or may not be the problem...

~Appropriate files copied from C:\tizen-studio into Fit2Installer/tizen/tizen-studio

The only files you need are 10 files which are the certificates, nothing else is needed, copying anything else might break the fit2installer...

Both these points might lead to Java "main" issue...

I suggest you remove the PATH you created and extract a fresh copy of fit2installer and only copy the 10 files into cert folder and it should work fine
 

atcmonke

New member
Jul 18, 2011
2
1
Two things I'm curious about:
*PATH set as advised (.../AppData/.../jdk/bin;...)

Because you used JDK 15, you don't need to set any PATH, it should've been set by the JDK, you may have override JDK 15 path with something that may or may not be the problem...

~Appropriate files copied from C:\tizen-studio into Fit2Installer/tizen/tizen-studio

The only files you need are 10 files which are the certificates, nothing else is needed, copying anything else might break the fit2installer...
Thanks for following up, greatly appreciate the help.
I should have used some references to be clear since there are so many solutions to problems.
Path: In your post for the SHM 1.1.0.193 [restrictions-removed], under Exception in thread, you suggested to use JDK 15 and referenced a post under Spoiler: Other Suggestions, where FckSamsung found that adding/changing the PATH helped and advised to add to instructions. I have not tried signing without modifying PATH and so I'll give that a go; will report back.

Appropriate files copied: Also under the same Spoiler: Other Suggestions, was the alternative to the PATH issue. Perhaps two solutions are conflicting with each other; again I'll report back.


Update: started fresh, didn't go with either alternative "solutions" and it worked out. Appreciate the help, Dante63.
 
Last edited:
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Thanks for following up, greatly appreciate the help.
I should have used some references to be clear since there are so many solutions to problems.
Path: In your post for the SHM 1.1.0.193 [restrictions-removed], under Exception in thread, you suggested to use JDK 15 and referenced a post under Spoiler: Other Suggestions, where FckSamsung found that adding/changing the PATH helped and advised to add to instructions. I have not tried signing without modifying PATH and so I'll give that a go; will report back.

Appropriate files copied: Also under the same Spoiler: Other Suggestions, was the alternative to the PATH issue. Perhaps two solutions are conflicting with each other; again I'll report back.


Update: started fresh, didn't go with either alternative "solutions" and it worked out. Appreciate the help, Dante63.
Well I need to clean my thread again, remove all suggestions and stick to JDK 15...

Thanks for the info, it will help others not to go to suggestions...

Have a great day
 
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Parlue

New member
Aug 6, 2021
2
3
Hi Dante,

first thank you for your passion to help so many User's. You are my hero :)
I follow your step by step description and the BO and EHS apps are now on my watch 3.
I use a Pixel 5 located in Germany and I can't open any Healthmonitor App. I try to test all Versions, starting from the 1.81. I clear cache and memory all the time. If I start the app, I see at the last screen the Terms and if I accept it crash. First start I got the window do give some rights to the app... I have now no Ideas what I can do now... Did you have a Idea?
Best P.
 
Last edited:
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Hi Dante,

first thank you for your passion to help so many User's. You are my hero :)
I follow your step by step description and the BO and EHS apps are now on my watch 3.
I use a Pixel 5 located in Germany and I can't open any Healthmonitor App. I try to test all Versions, starting from the 1.81. I clear cache and memory all the time. If I start the app, I see at the last screen the Terms and if I accept it crash. First start I got the window do give some rights to the app... I have now no Ideas what I can do now... Did you have a Idea?
Best P.
Do you have Samsung Health installed? If yes, uninstall it and reinstall the latest SHM mod and complete your profile, hopefully it works...

After that you can reinstall Samsung Health again...
 
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  • 1
    I think I got the ECG working! I installed the other apk with root detection removed. I think I was confused between Samsung Health and Samsung Health Monitor. Now I see Samsung Health Monitor separately, and it shows the Blood Pressure and ECG apps.

    I was able to run an ECG (twice) and both times were "inconclusive".. weird but at least it seems to be working now
    The latest SHM MOD on the phone is 1.1.1.153, you can find it on my drive but I'm glad you figured out things by yourself

    As for bad ECG readings or bad chart, turn off the watch and wash the watch with warm water and gently press the probe (button you place your finger on), after that dry it with tissue and leave it to dry more on itself for 30 mins at least...

    Once you feel it's dry, power it on and you can turn on and off the water lock to eject water, do an ecg measurement and things should be working fine...

    The probe is very sensitive, small dirt, oil or dust can affect the readings...
    1
    yea I didn't have SHM on my phone at all, and when I searched the google app store for it, all that came up was the Samsung Health app, which appears to be completely separate from SHM. I guess there's still some stuff i don't understand here!

    The ECG works perfectly - just took a couple more tries, I probably moved during the first attempts.

    In hindsight I should have watched the videos in your thread - I thought I could just grab the files from your google drive and proceed, but your vids made it much simpler. I'm not much of a video person so I skipped them. Whoops.

    Thank you again @Dante63 for the help here and for all the work getting this set up in the first place!
    1
    I heard " No question is too stupid" so here it comes:,,,,
    I have downloaded the modified bp.tpk
    and : just put it in the sign_me folder and sign it and install.....

    What do I have to download to actually have any sign_me folder.
    What package/s am I supposed to use for this?
    I already have the modded SHM and I got ecg working, but no BP
    1
    I heard " No question is too stupid" so here it comes:,,,,
    I have downloaded the modified bp.tpk
    and : just put it in the sign_me folder and sign it and install.....

    What do I have to download to actually have any sign_me folder.
    What package/s am I supposed to use for this?
    I already have the modded SHM and I got ecg working, but no BP
    It's the fit2installer tool
    You will place the modified BP inside sign_me and place your Tizen certificates in cert, run the sign.bat, all success, you grab the signed tpk from install_me
    1
    It's the fit2installer tool
    You will place the modified BP inside sign_me and place your Tizen certificates in cert, run the sign.bat, all success, you grab the signed tpk from install_me
    Thanks a lot, I'll try this.
  • 36
    Update 09/29/20:
    1. The latest Samsung Health Monitor Version 1..1.0.175.Caravana (Thanks Caravana for the Mod) Download

    This tutorial should work on all Android Phones to enable ECG for your Galaxy Watch 3 and Active 2. BP might also work the same way when it is released in the US.

    Basic idea is to create your own certificate to sign ECG.tpk application and install it on your watch, then install the Samsung Health Monitor Mod app on your phone.

    I have read lots of threads on XDA and can't find a complete tutorial about how to do it for Galaxy Watch 3 or Active 2. Hope this step-by-step tutorial will help. The whole process took me around 30 mins, it shouldn't be very hard. Make sure you back-up your watch first, just in case anything goes wrong and you need to restore data.

    You will need an Android Phone, a Windows PC and Galaxy Watch 3/Active 2 watch for this tutorial. And a wireless network.

    Downloads:
    1. Download Java for Windows offline (64 bit) https://www.java.com/en/download/manual.jsp and install it.
    2. Download JavaSE/Oracle JDK https://www.oracle.com/technetwork/java/javase/downloads/index.html Click "JDK Download" from the top the latest version, then it will direct you to a new page, find "Windows x64 Installer" click the download page from the page and install it.
    3. Download Tizen SDK https://developer.tizen.org/development/tizen-studio/download Download Latest Tizen Studio with IDE installer, click "64 Bit" to download and install it.
    4. Download ecg.tpk, BP.tpk, Fit2Installer from here(ecg_downloads)
    5. Download Samsung Health Monitor Version 1..1.0.167.Caravana (Thanks Caravana for the Mod) from here (See update 09/29/20 from the top of the thread to download the latest version)

    On Your Phone:
    1. Install Samsung Health Monitor Version 1..1.0.167.Caravana on your phone. Open the app enter your name, BOD and etc to finish the setup.

    On Your Watch:
    1. From your watch, Go to "Settings"->"About Watch"->"Software"->Click On "Software Versio" 5 times until it shows "Developer mode turned on"
    2. Go back to "About Watch", make sure it shows "Debugging is turned on", it not click "Debugging" and turn it on.
    3. Go to Wifi settings on the watch, change wifi setting to always On, and connect it to the same wireless network with your PC.
    4. Reboot the watch. Make sure wifi is connected after the reboot.

    From Your PC:
    1. Launch Tizen Package Manager and Navigate to 5.5 wearable(It depends on your watch's software version, eg mine shows Tizen Version 5.5.0.1, so I navigate to 5.5 wearable), then click Install icon
    2. Scroll down to the Tizen SDK tool and click the install icon
    3. Click on the Extension SDK tab
    3.1 Click the arrow on Extras
    3.2 Install Samsung Certificate Extension and Samsung Wearable Extension
    4. Check the Progress tab, once it shows 100%, you can close Tizen Package Manger and do not launch Tizen Studio(we don't need to use Tizen Studio)
    5. Open up "Certificate Manager"
    6. Click on the "+" icon and from the pop-up window click Samsung Logo.
    6.1 Device Type -> Mobile/Wearable, Click Next
    6.2 Certificate Profile(Give it whatever name you like), Click Next
    6.3 Author Certificate -> Create a new author certificate, Click Next
    6.4 Author Certificate -> Enter Author name, Password, Confirm Password as required(Remember the password,. you will need it when you sign the TPK file) and click next
    6.5 A pop up will ask you to sign in to your Samsung account, enter your account information and sign in
    6.6 Now it will show your certificate has been saved at C:/Users/USERNAME/SamsungCertificate/cert_name and click next.
    6.7 Create a new distributor certificate and click next
    6.8 Do not change Privilege and password information, do not close these windows, just leave it there, we need to enable debug mode from the watch and connect it to PC now.
    7. Open Tizen "Device Manager" from the PC.
    8. Click the "Remote Device Manager" icon from top right corner.
    9. From pop-up windows, click the "Scan Devices" icon from the top right corner.
    10. Once it find your watch turn the connection switch to on. and close pop-up windows. At this time, you should able to see lots of debugging information from Device Manager. (If you don't see debug information, try these steps: 1. Turn off your windows firewall 2. turn off bluetooth&GPS on your watch 3. reboot your watch )
    11. Go back to Tizen Certificate Manager, step 9.8, we can see one DUID has been added automatically. Click next.
    12. It will show your certificate has been saved at C:/Users/USERNAME/SamsungCertificate/cert_name, Click Finish.
    13. Download Fit2installer.zip unzip the whole folder to your desktop.
    14. Go to the certificate(C:/Users/USERNAME/SamsungCertificate/cert_name) you just created and copy all files. inside the folder
    15. Go to C:\Users\USERNAME\Desktop\Fit2Installer\cert Paste all the certificate file you just copied.
    16. Copy ecg.tpk file and paste it at C:\Users\USERNAME\Desktop\Fit2Installer\sign_me
    17. Click sign.bat from the Fit2Installer folder. Enter your certificate password.
    18. It will show "Package( C:\Users\USERNAME\Desktop\Fit2Installer\install_me\ecg.tpk ) is created successfully." and enter any key to close the window.
    19. Now go to "Device Manager", right-click your device, choose "install app", Select ecg.tpk file from C:\Users\USERNAME\Desktop\Fit2Installer\install_me.
    20. Wait a few seconds, you should see ECG app has been installed on your watch. Open it.
    21. Open the "Samsung Health Monitor" app from your phone, you should be able to read the ECG data from your watch now.

    As Blood Pressure has not been released in the U.S, once it released, you should be able to activate for Non-Samsung phone the same way. You can disable debug mode if you want now.

    Enjoy!

    Reference:
    1. https://forum.xda-developers.com/showpost.php?p=83574519&postcount=6
    2. https://www.reddit.com/r/GearS3/comments/aljplu/tutorial_how_to_install_tpks_and_wgts_onto_your/
    3. https://forum.xda-developers.com/smartwatch/gear-fit/howto-sign-sideload-tizen-applications-t3639793
    4
    Dante63, thanks for your help and comments earlier.
    My head is spinning - I haven't done stuff like this since the days of Windows Mobile!
    Could you just tell me whether, as I now have 5.5.0.2 on the watch, with ECG and BP in the update, although not available to my Huawei P20 Pro, should I still install the apks?
    Or do I understand that the next SHM you modify might just work with the 5.5.0.2 and the P20 as-is?
    Really sorry, and grateful for any help.
    (The watch is from UAE, but I'm in the UK)
    Many thanks!
    It's already done, I have 175, 181 & 183, but for those who can't get it running, I'm willing to play around with the SHM apk, hopefully I find what is stopping the app from running...

    it's not fair for people having a watch and can't use its features because it's not available or device problems and so on...
    2
    In allegato BP in italiano, da me tradotto, da firmare. perfettamente funzionante in abbinamento a SHM1.1.0.175 anche esso in italiano
    buon divertimento
    2
    I successfully installed the ECG tpk, Dante - works perfectly with SHM 175 - thank you so much!
    To install the BP tpk, do I just add it using Device Manager?
    Because it doesn't want to do it.
    I don't need to repeat any other steps, do I? Just install the tpk using Device Manager?
    Sorry - I've been doing it for ages, and now I'm too tired to think straight... Would like to do it while everything is set up to go.
    Many thanks, as always.
    You can try with SDB or decompile the TPK installer, add the signed tpk file inside the assets and compile it and then install it and it will push the file inside your watch... I hope you get right and at the first attempt...
    Whered you find the bp.TPK file I cant locate it?
    That member used the BP.tpk in my thread...
    2
    I have tested all the versions in you drive link, none work.
    I think it's time to upgrade the hardware.
    I will make 1 more version of the SMH...
    Wait a little bit longer, if that version works, it will solve most of people problems with the latest version...