Can I install older version of a preinstalled app on a NON-Rooted device?

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AjvarXX

Senior Member
Jun 21, 2013
79
6
Is it possible to install a different (older) version of a S Health app – without rooting and patching system with Lucky Patcher or else?

WHY? - Older version of S Health has a feature of SpO2 measurement (oximeter) on S5 while Marshmallow preinstalled S Health does not.

I tried uninstalling the app through adb shell via pm uninstall user 0 yada-yada but even though it looked like it did, I still couldn't install older version :(
 

AjvarXX

Senior Member
Jun 21, 2013
79
6
But I have a locked non-rooted device... or can I still do it that?
Code:
adb devices
adb shell "rm -r '/data/app/com.sec.android.app.shealth*'"
Also, is the end of the 2nd line correct or there is some typo? (*)
 

AjvarXX

Senior Member
Jun 21, 2013
79
6
I see nothing bad in not knowing deeply Linux for average user. Anyway, thanks. It says "No such file or directory", also tried app-priv folder to no avail. Wherever preinstalled apps hide themselves on Marshmallow, it's not there.
Maybe will need to go asking to Samsung forum on XDA, maybe developers there know more knowledge in Samsung firmwares/ROMs.
 
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blackhawk

Senior Member
Jun 23, 2020
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I see nothing bad in not knowing deeply Linux for average user. Anyway, thanks. It says "No such file or directory", also tried app-priv folder to no avail. Wherever preinstalled apps hide themselves on Marshmallow, it's not there.
Maybe will need to go asking to Samsung forum on XDA, maybe developers there know more knowledge in Samsung firmwares/ROMs.

Exactly, we all start at the beginning.
This might be helpful:
 
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jwoegerbauer

Senior Member
Jul 11, 2009
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It says "No such file or directory", also tried app-priv folder to no avail. Wherever preinstalled apps hide themselves on Marshmallow, it's not there.
My last 2 cents here:

You may check for the app in question is a user-app or not. You do this by running
Code:
adb devices
adb shell "pm list packages -3"
If the app isn't in the list returned then it's not an user-app but a system-app what can't get uninstalled without superuser rights, will say Android must be rooted.
 
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    I see nothing bad in not knowing deeply Linux for average user. Anyway, thanks. It says "No such file or directory", also tried app-priv folder to no avail. Wherever preinstalled apps hide themselves on Marshmallow, it's not there.
    Maybe will need to go asking to Samsung forum on XDA, maybe developers there know more knowledge in Samsung firmwares/ROMs.
    1
    I see nothing bad in not knowing deeply Linux for average user. Anyway, thanks. It says "No such file or directory", also tried app-priv folder to no avail. Wherever preinstalled apps hide themselves on Marshmallow, it's not there.
    Maybe will need to go asking to Samsung forum on XDA, maybe developers there know more knowledge in Samsung firmwares/ROMs.

    Exactly, we all start at the beginning.
    This might be helpful:
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