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How to Get Samsung Galaxy J2 To Use Speed Dial Numbers

I'm surprised ... and disappointed that no one has posted the answer. Is really no one using speed dial calling on Samsung Galaxy phones???
nope and i use my z fold 4 for work......do not see a need. i can find numbers of clients quite easily and just takes a second. or if im driving, i can have my google assistant find and dial the number i need.

Help Keep getting unidentified sound that doesn't seem to be a notification

Well before you try more drastic measures like a Factory Reset, don't stop at least trying to find out just which app or service is behind that occasional, weird 'clinking' sound. If anything, use Samsung's Smart Switch utility to make a full backup of your user account. It will make doing a restore of your data easier if necessary, and it's always a better practice to have backups of your phone anyway. Backups are important, they really are.

But getting back to that sound, since you don't see anything in the Notification log that correlates with when it does occur that is odd but it's not an absolute. You also mentioned not seeing anything notable as far as apps that 'might' be responsible but keep in mind that there could be several menus, conditionally-accessible menus, and annoying-messy-to-use sub-menus to look through now. Each version of Android includes an increasingly complex Settings menu, and add in that Samsung opts to extensively add/alter even more complexity, there's often multiple options to check for things like Notification sounds. Looking through the User Manuel for your model, there are several on pg. 102 through pg. 107 to go through as a starting place:

If nothing in those Settings options stop that sound, you might want to then try looking through the Running services menu to see if there is some app or Android background service might be responsible for that sound. Note that Running services won't indicate outright about that sound, it will show you a more extensive listing of all the processes that are active and loaded in RAM. Also, you need to enable the Developers Options menu that's otherwise hidden within your Settings menu (it's an integral part of the Android OS, it's just something that needs to be intentionally made visible):
Anyway, once you enable Developers Options, use Running services and see if perhaps there's some system related service might be making that sound. Note that there's likely to be one or several Android System items and if you tap on them that will reveal more info on just which service or services it refers to. So yeah, this involves a lot of speculation on your part. Just be very judicious about anything you change in Developers Options. There will be a lot of oddly named system processes that appear to be gibberish to some but vital as far as keeping your phone functional.

how to use nfc with camera at same time

I can read nfc data on my app

but i could't read nfc when i use camera view


i got this message (automatically nfc reader set disable when i open camera )

Code:
 I  isNFCAllowed is called for userId - 0
 D  NFC checking for 0
 W   container manager null for 0
 I  allow NFC for 0
 D  call the applyRouting
 I  [INFO:NativeNfcManager.cpp(2044)] nfcManager_enableDiscovery: enter
 I  [INFO:NativeNfcManager.cpp(4265)] storeLastDiscoveryParams: enter
 I  [INFO:NativeNfcManager.cpp(2083)] nfcManager_enableDiscovery: enter; tech_mask = 01, restart = 1
 I  [INFO:NativeNfcManager.cpp(3974)] startRfDiscovery: is start=0
 I  [INFO:NativeNfcManager.cpp(572)] nfaConnectionCallback: event= 31
 I  [INFO:NativeNfcManager.cpp(610)] nfaConnectionCallback: NFA_RF_DISCOVERY_STOPPED_EVT: status = 0
 I  [INFO:NativeNfcManager.cpp(4191)] stopPolling_rfDiscoveryDisabled: disable polling
 I  [INFO:NativeNfcManager.cpp(572)] nfaConnectionCallback: event= 1
 I  [INFO:NativeNfcManager.cpp(590)] nfaConnectionCallback: NFA_POLL_DISABLED_EVT: status = 0
 I  [INFO:NativeNfcManager.cpp(4169)] startPolling_rfDiscoveryDisabled: enable polling
 I  [INFO:NativeNfcManager.cpp(4173)] startPolling_rfDiscoveryDisabled: wait for enable event
 I  [INFO:NativeNfcManager.cpp(572)] nfaConnectionCallback: event= 0
 I  [INFO:NativeNfcManager.cpp(581)] nfaConnectionCallback: NFA_POLL_ENABLED_EVT: status = 0
 I  [INFO:NativeNfcManager.cpp(2115)] nfcManager_enableDiscovery: Enable p2pListening
 I  [INFO:NativeNfcManager.cpp(3974)] startRfDiscovery: is start=1
 I  [INFO:NativeNfcManager.cpp(572)] nfaConnectionCallback: event= 37
 I  [INFO:NativeNfcManager.cpp(1030)] nfaConnectionCallback: unknown event ????
 I  [INFO:NativeNfcManager.cpp(572)] nfaConnectionCallback: event= 30
 I  [INFO:NativeNfcManager.cpp(600)] nfaConnectionCallback: NFA_RF_DISCOVERY_STARTED_EVT: status = 0
 I  [INFO:NativeNfcManager.cpp(4128)] startStopPolling: enter; isStart=1
 I  [INFO:NativeNfcManager.cpp(1193)] nfaDeviceManagementCallback: enter; event=0x2
 I  [INFO:NativeNfcManager.cpp(1222)] nfaDeviceManagementCallback: NFA_DM_SET_CONFIG_EVT
 I  [INFO:NativeNfcManager.cpp(4156)] startStopPolling: exit
 I  [INFO:NativeNfcManager.cpp(2190)] nfcManager_enableDiscovery: exit
 I  Notify nfc service : camera open was(true) -> now(false) = polling(false)
 D  call the applyRouting
 I  [INFO:NativeNfcManager.cpp(2044)] nfcManager_enableDiscovery: enter
 I  [INFO:NativeNfcManager.cpp(4265)] storeLastDiscoveryParams: enter
 I  [INFO:NativeNfcManager.cpp(2083)] nfcManager_enableDiscovery: enter; tech_mask = 00, restart = 1
 I  [INFO:NativeNfcManager.cpp(3974)] startRfDiscovery: is start=0
 I  [INFO:NativeNfcManager.cpp(572)] nfaConnectionCallback: event= 31
 I  [INFO:NativeNfcManager.cpp(610)] nfaConnectionCallback: NFA_RF_DISCOVERY_STOPPED_EVT: status = 0
 I  [INFO:NativeNfcManager.cpp(4191)] stopPolling_rfDiscoveryDisabled: disable polling
 I  [INFO:NativeNfcManager.cpp(572)] nfaConnectionCallback: event= 1
 I  [INFO:NativeNfcManager.cpp(590)] nfaConnectionCallback: NFA_POLL_DISABLED_EVT: status = 0
 I  [INFO:NativeNfcManager.cpp(3974)] startRfDiscovery: is start=1
 I  [INFO:NativeNfcManager.cpp(572)] nfaConnectionCallback: event= 30
 I  [INFO:NativeNfcManager.cpp(600)] nfaConnectionCallback: NFA_RF_DISCOVERY_STARTED_EVT: status = 0
 I  [INFO:NativeNfcManager.cpp(2190)] nfcManager_enableDiscovery: exit

 D  call the applyRouting
 D  Discovery configuration equal, not updating.
 I  Notify nfc service : camera open was(false) -> now(true) = polling(true)
 D  call the applyRouting
 I  [INFO:NativeNfcManager.cpp(2044)] nfcManager_enableDiscovery: enter
 I  [INFO:NativeNfcManager.cpp(4265)] storeLastDiscoveryParams: enter
 I  [INFO:NativeNfcManager.cpp(2083)] nfcManager_enableDiscovery: enter; tech_mask = 2f, restart = 1
 I  [INFO:NativeNfcManager.cpp(3974)] startRfDiscovery: is start=0
 I  [INFO:NativeNfcManager.cpp(572)] nfaConnectionCallback: event= 31
 I  [INFO:NativeNfcManager.cpp(610)] nfaConnectionCallback: NFA_RF_DISCOVERY_STOPPED_EVT: status = 0
 I  [INFO:NativeNfcManager.cpp(4191)] stopPolling_rfDiscoveryDisabled: disable polling
 I  [INFO:NativeNfcManager.cpp(572)] nfaConnectionCallback: event= 1
 I  [INFO:NativeNfcManager.cpp(590)] nfaConnectionCallback: NFA_POLL_DISABLED_EVT: status = 3
 I  [INFO:NativeNfcManager.cpp(4169)] startPolling_rfDiscoveryDisabled: enable polling
 I  [INFO:NativeNfcManager.cpp(4173)] startPolling_rfDiscoveryDisabled: wait for enable event
 I  [INFO:NativeNfcManager.cpp(572)] nfaConnectionCallback: event= 0
 I  [INFO:NativeNfcManager.cpp(581)] nfaConnectionCallback: NFA_POLL_ENABLED_EVT: status = 0
 I  [INFO:NativeNfcManager.cpp(2115)] nfcManager_enableDiscovery: Enable p2pListening
 I  [INFO:NativeNfcManager.cpp(3974)] startRfDiscovery: is start=1
 I  [INFO:NativeNfcManager.cpp(572)] nfaConnectionCallback: event= 36
 I  [INFO:NativeNfcManager.cpp(1009)] nfaConnectionCallback: NFA_LISTEN_ENABLED_EVT : status=0x0
 I  [INFO:NativeNfcManager.cpp(1193)] nfaDeviceManagementCallback: enter; event=0x2
 I  [INFO:NativeNfcManager.cpp(1222)] nfaDeviceManagementCallback: NFA_DM_SET_CONFIG_EVT
 I  [INFO:NativeNfcManager.cpp(572)] nfaConnectionCallback: event= 30
 I  [INFO:NativeNfcManager.cpp(600)] nfaConnectionCallback: NFA_RF_DISCOVERY_STARTED_EVT: status = 0
 I  [INFO:NativeNfcManager.cpp(4128)] startStopPolling: enter; isStart=1
 I  [INFO:NativeNfcManager.cpp(1193)] nfaDeviceManagementCallback: enter; event=0x2
 I  [INFO:NativeNfcManager.cpp(1222)] nfaDeviceManagementCallback: NFA_DM_SET_CONFIG_EVT
 I  [INFO:NativeNfcManager.cpp(4156)] startStopPolling: exit
 I  [INFO:NativeNfcManager.cpp(2190)] nfcManager_enableDiscovery: exit

How to access Styx Browser & Duckduckgo sessions/tabs on my Android & transferring them to my Linux PC, possibly adb method, is root needed?

@Hadron, Thanks for your response! 1.) I already explained why i cant just copy & email the URLs from my android to my PC.
2.) I will definitely learn from this experience & not allow it to happen again, but i am trying to transition & do just that, & need to save the current tabs/sessions i already have, so i can move on. This is my 1st time using android, so its a learning experience.

Screen Protectors?

My watches all have sapphire lenses, so in the absence of diamond tools the one thing I'm not worried about is scratching them ;).

"Gorilla glass", despite the marketing, is a different matter. The sort of quartz grit you find in everyday environments will scratch that just fine (I've scratched gorilla glass by just putting a phone face down on a conference room table).

How To Turn Off Location Tracking On Samsung Galaxy J2

You do have location settings. As said above, just search settings.

If you set location to "device only" that stops Google collecting "anonymous" (but easily de-anonymised) location information (though some apps, like Maps, will occasionally pop up a message that looks like it's telling you that you need to turn location on but actually re-enables the misnamed "high accuracy" mode that allows them to collect these data. The dishonesty of the wording of that pop-up and the way it bypasses the disclaimer about other consequences is for me enough reason never to enable "high accuracy" location, which anyway isn't more accurate as long as you have a satellite fix).

If you want to stop Google recording your location history you need to turn off app and web history in your Google settings as well as location history. Otherwise Google keep a record of where you used each app. There was a fuss a few years back about them keeping this "back door" way of recording location history, but Google won't have done anything about it.

If you don't use location at all you can just turn it off.

What's the Camera Tuner system app?

So do I need to keep it on my apps ?
It's a Motorola utility to apply maintenance and performance patches to the camera module it uses in Moto phones, so I'd just leave it alone as is. It's a system-level app that's part of the firmware so you can't Uninstall it anyway. Besides, it's only a few kilobytes in size and only uses a minuscule amount of system resources even when it might be in use (which isn't very often), so there's no real benefit to trying to micromanage it.

How to prevent green line or display burn issue in my samsung note 20 ultra?

also do not let the display be on for very long and especially do not leave the screen on while displaying the a screen that does not change......in other words do not leave it on your home screen where your home screen shortcuts can burn into the display. my mom does this and on her s7 she kept her home screen on and it burned in Candy Crush into the screen.

so use a screen time out or use a live wallpaper that keeps the screen moving.

tct.gcs.wfcmanager stand for?

well tct is this:

gcs i think means google cloud service:

and wcs manager is " WFC Profile Manager connects to customer data services in the cloud, authenticates, automates, and enables multiple user role selection for dynamic line extensions or push-to-talk groups on a shared device."

.....in other words nothing nefarious going on. that is just your system process running on your device.

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