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Root Rooting problem with Lenovo tab 3

Good morning everyone (or wherever you in the world), I have been facing issues with my Lenovo Yoga tab 3 from the day I got it (i kept sending it back to the original shop I bought it from, under warranty, but they sent it back claiming they have "fixed" it, the only changes I found is it has been factory reset). it was some weird defect, where some apps would not save the data (geometry dash levels would not be saved), and the gallery would not load the pictures and weird bugs that would not be fixed.
until some time later, when I decided to root it with the magisk method (because twrp is not supported on my device), I did, and I installed Lspeed, kernel adiutor, servicly, and among others. the thing is, it keeps unrooting itself upon restart. I don't know how that is even possible, but I have to root it again after each restart. is that a defect or can I fix it?

P.S: the nethunter chroot, is not being able to be downloaded, even if i leave it all night, it just ends with a timestamp without anything els.
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How users can only see their own data in Cloud Firestore?

I
I'm building an app with Kotlin. In the app, the user can sign up and log in. After the user log in, the user adds some text and pictures, and these data is successfully added to the firebase cloud store and displayed in the app as a list. However, this list can be accessed by anyone registered on the app.

What I want to do is how users can only see their own data. So I don't want users to see each other's data. I just want every user to see their own added data. I think that I need to change Firebase Cloud Strore rules but How?.

I'm new about this, Thank you !

This is Cloud Firestore Rules;

Code: 
rules_version = '2';
service cloud.firestore {
  match /databases/{database}/documents {
   match/Notes/{noteId}{
   allow read, write: if request.auth.uid != null ;
  
       }
   }
}

and this is my cloud firestore ;


f1esi.png
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ZTK7 3rd Android 11 Beta for Global Exynos

ironass
Six days after the launch of the 2nd beta for Android 11 and One UI 3.0 for the global Exynos models of the Samsung Galaxy S20's, comes this third update in a number of countries for registered Beta users.

This release contains numerous bug fixes and another camera update. (See screenshots)

The update = G98*BXXU5ZTK7

Download size = 480.17MB

Build date = 9th November 2020

DOWNLOAD

lLaKw7Bh.jpg


SAMSUNG BETA CHANGELOG

KZxbIGrh.png


One UI version = 3.0

Camera version = 11.0.00.88

Android Security patch = November 2020
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Fix or upgrade v40

J
The fingerprint scanner only works half the time and the phone randomly restarts pretty frequently. It was always a bit wonky. Should I try to fix it (and how), or get another phone? If I get another phone, what should I look at? I was thinking of getting something used such as on black market phone. I have Verizon
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Wi-fi connection drops when phone sleeps

G
Hi All,

New here, please be gentle.

I have a Galaxy A8 (2018) and the wi-fi connection appears to be dropping whenever the phone goes to sleep. I have tried to look for my wi-fi connection setting on the phone to try and stop this from happening but there doesn't appear to be a setting for it. How do I make sure that the connection is not cut whenever my phone sleeps?

Thanks for your eye-time.

GingerOverlord.
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Help file transfer on Android 10

Pedro Vera
My phone automatically updated to a new version: Android 10. Whoot!

But of course it has changed. When I connect to Windows PC via USB, I cannot get the phone mounted as a file system on Windows.

I followed the directions found elsewhere:
  1. Open Settings.
  2. Tap About Phone.
  3. Scroll down to the bottom.
  4. Tap Build Number (seven times is the magic number) until you are informed Developer Options have been enabled.
  5. Set "default USB configuration" in settings
  6. Select File Transfer as the default
It looks like this change took effect, but when I connect the USB cable nothing happens on Windows. I even restarted the phone.

When I search settings for USB, there are some entries:
"USB controlled by" - the settings are grayed out: I cannot change this setting
"USB preferences" - the settings are grayed out: I cannot change this setting

What to do?

I have a motorola G(7) supra. The Android build number is QC030.95-Q3-10-17
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Unable to block SMS message sender

B
Help!
I have a galaxy s10 and I am receiving text messages but I am unable to block the sender.
There is no phone number, no name, and the message details say

Type:- Text message
From :- MESSAGE
And the time sent, that is all.

I do not have the 3 dots at the top right of the screen so there are no options are available. all I can do is delete the message.
How do I block this sender please?
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Help Where is CoordinatorLayout in Android Studio 4.0?

F
I am new here, so I hope I am doing this right. I am using Android Studio 4.0. The tutorial I'm following calls for dragging and dropping a CoordinatorLayout from the palette onto the screen in design view. The problem is that I don't have a CoordinatorLayout in my palette. I have looked under every section of the palette and there is no CoordinatorLayout. Was it removed from Android Studio altogether or what? What gives?
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Auto correct/predictive text

D
Greetings!
I reset my phone and it seems to be working a bit faster than before. However one annoying difference now is that the auto correct/predictive text function makes it difficult to enter things like acronyms into Google. I don't know if it's possible to turn the function off for Google, but keep it for other stuff like texting. Or just switch the function on and off as needed.
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Help How to retrieve photos from broken OnePlus?

ltnielsen
Hi all,

Hope someone can come up with a good idea to help me out. I have a OnePlus 3 that I have been very happy with. I dropped it recently, though, cracking the screen. No worries, still worked, although the glass was peeling away in one corner. Then yesterday, the screen suddenly went all black with a few green lines across showing up.

The phone was pretty old, so I've ordered a new one. Did not want to repair it.

BUT, I have been stupid enough to not activate any kind of cloud backup for photos etc. So my question to you all is: Can we find a way to 'break into' the phone without being able to see and (i think) control the screen?

Some additional info:
-It's a OnePlus 3
-No, I did not use google photos or anything similar.
-The phone is still alive. It activates when called or when recieving a text. I'm basically still logged in.
-I assume it is not debugged. Nothing happens if I connect it via cable to my computer.
- I've tried several of the phone-rescue softwares (EasyUS, Phone Rescue, Dr.Fone etc.). None of them register the phone.

The only solution I can think of is to pay to have the screen changed. But since it when all black, I suspect it may be more complicated (and expensive) than the typical screen replacement.

Any help?
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Where is CoordinatorLayout in Android Studio 4.0?

F
I am new here, so I hope I am doing this right. I am using Android Studio 4.0. The tutorial I'm following calls for dragging and dropping a CoordinatorLayout from the palette onto the screen in design view. The problem is that I don't have a CoordinatorLayout in my palette. I have looked under every section of the palette and there is no CoordinatorLayout. Was it removed from Android Studio altogether or what? What gives? SOMEBODY PLEASE HELP ME!!!
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