Samsung Galaxy J3 (2017) J3300 is missing System Update App. - Samsung Galaxy J3 (2017) Questions & Answers

My J3300 is not getting any system update. When i try to check for updates manually it does nothing and i also checked that the system update app is missing from application manager. What should I do to get updates?
-The android version is currently 7.0

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Samsung Gear S2 Gear Software Update 10/26/15

Just reporting to all the Samsung Gear S2 users that there is an Gear Software Update available. I had to force check for an update with the Gear Manager apk. Once doing that, A new update was downloaded and pushed to my watch. The current software version is: R720XXU2AOJ3
Changelog was performance and stability improvements.
For users who don't know to manually search for updates go to Settings > About Gear > Software Update > Update Gear Software > Update Now
Got it!
I still do not have the update any ideas of how i can get it ?
Just tried it after reading this thread and mine did have an update. Software version is now R732XXU2BOKK.
It was just over 80Mb to download and was transferred to the device from the Note 5 which I am using when I clicked install after the update downloaded.
The watch will soon switch off and install the update, does take about 10 mins or so to complete and then the gear S2 will restart and finalise the update.
I am using the UK version.

Samsung Gear Manager crashes after installing CM

Hello everyone,
I just installed CM12.1 (the latest snapshot available for Samsung Galaxy S5) and I'm unable to use the Gear Manager. I tried installing it from the Play Store as well as some linked APK's, but every time I launch it I get this error:
The operating system on your phone has been modified in an unauthorised way, and is not compatible with the Samsung Gear app. Check your operating system and try again.
This is a really ****ty error message - what in my OS exactly am I supposed to check
Anyway, after some googling I've been unable to find a solution. Anyone have any ideas?
Thanks!
Robyn Smith said:
Hello everyone,
I just installed CM12.1 (the latest snapshot available for Samsung Galaxy S5) and I'm unable to use the Gear Manager. I tried installing it from the Play Store as well as some linked APK's, but every time I launch it I get this error:
The operating system on your phone has been modified in an unauthorised way, and is not compatible with the Samsung Gear app. Check your operating system and try again.
This is a really ****ty error message - what in my OS exactly am I supposed to check
Anyway, after some googling I've been unable to find a solution. Anyone have any ideas?
Thanks!
Click to expand...
Click to collapse
Similar issue so < bump >
I know it isn't simply that I have rooted the phone, because when I go back to stock I root the stock lollipop and the Gear Manager still works, so it must be something in Knox or something Samsung specific that is missing from the CM ROMs
any advice would be appreciated

Can't update samsung apps

Hello, since i updated secure folder to the last version i can't install updates for samsung apps anymore, i tried to uninstall the secure folder update but it is not possible, any solution ? Thanx

Samsung apps update 11.02.2018r.

Hi did someone tried update samaung apps manually from this:
https://www.apkmirror.com/uploads/?q=samsung-electronics-co-ltd

Samsung Billing app corrupted.

Hello Xda,
I have problem with my samsung billing app, I can not make any purchase from the galaxy apps store, the warning page keeps appear showing: "Samsung billing is required to complete this purchase. Go to settings and turn on samsung billing.". And when I push the "go to settings" button, it keep rejected to open the samsung billing app. I have download and install the samsung billing apk from sammobile but the problem still occur. I try to locate the samsung billing built in apk in the system folder, when I try to run it from the system folder it show warning page that the package is corrupt.
Any help will be appreciate. Thank you xda.
Phone info:
- Model: SM-G930FD
- Android ver: 7.0
- Baseband ver: G930FXXU2DRA9
- Not Rooted.
Try installing another version
https://www.apkmirror.com/apk/samsung-electronics-co-ltd/samsung-billing/
Might need to enable secure startup in lockscreen & security then reboot the phone if you get a package conflict error
Install the APK again after that
*Detection* said:
Might need to enable secure startup in lockscreen & security then reboot the phone if you get a package conflict error
Install the APK again after that
Click to expand...
Click to collapse
Thank you for the attention. Already do as instructed but still cannot locate the samsung billing app, even in disabled apps and system app section too.
Still cannot purchase any app from the galaxy apps store.
Not able to 'Enable' Samsung Billing.
My Device: Samsung Note 9 (SM-N960F/DS) on Android 9 One UI
Baseband: N960FXXU2CRLT
Firstly, I'm not able to locate 'Samsung Billing' app (ver 5.0.18.0) anywhere on my phone.
When I want to purchase something on the Galaxy Store, it takes me to the 'App Info' section of Samsung Billing app and asks me to 'enable' the app. However, nothing happens when I touch on 'Enable' (though when I touch the Force Stop' button next to it, it works).
I've tried clearing cache, uninstalling & reinstalling updates, restarting phone, etc. but no use (even after soft reset).
Also, and annoyingly, the only way I can get to Samsung Billing (that too only 'app info' section) is only by trying to purchase something in the Galaxy Store, otherwise this app is untraceable.
Any fixes ??

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