Galaxy A3 touchscreen fail - Galaxy A3, A5, A7, A8, A9 Q&A, Help & Troubleshoot

Hey Guys!
Yesterday my Galaxy A3's touchscreen became unresponsive. Everything else is working (hw buttons, sound, network etc).
USB debugging is enabled but there's no PC associated with phone - so if I connect it to PC, it asks for permission, but without the touchscreen, I can't grant it.
Phone is not rooted.
Is there a way to back up applications and data without voiding the warranty? I tried Kies, but it recovers only apps without settings to the new phone.
Another question: if I don't care with warranty, and install TWRP on the "dead" phone, can I use the backup on the other phone which is Galaxy A3 too?
Thanks in advance!

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[Q] Lockscreen PIN lost - USB debugging deactivated

Hey guys,
I cant unlock my lockscreen on Galaxy Note 3 anymore. No entered PIN is accepted. The USB debugging is deactivated and stock recovery installed. Unfortunatly I have important data on my phone which isnt recoverable otherwise. So my main questin is how can I activate USB debugging without access to the phone. In best case the solution is possible without KNOX void.
Thanks in advance
Nerade
Edit: I'm at least one firmware version behind. I can't specify exact version number.

[Q] Galaxy S5 broken screen, no USB debug need BACKUP. Help please

Hello guys.
Need urgent help with Samsung Galaxy S5 backup.
Screen and digitizer dont work, also USB Debugging is not turned on.
I need to make SMS and contact backup to Xperia Z3.
I have backup of contacts.spb and messages.sme on my PC.
Options:
I tried with mouse trough OTG cable and I can unlock the phone (there is no pattern or PIN), but its to hard to navigate with nothing showing up on screen.
Micro to HDMI cable is option but i need mouse or keyboard to turn on USB debug.
I have Kies 3 backup of contacts and SMS from this phone but they are in proprietary Samsung formats
*.sme and *.spb, tryed to make recovery of this files to Samsung Grand Neo 2 wich I have but Kies 3 isn't compatible
with this phone and older Kies cant read Kies 3 backup :/
So the only option to recover backup is to have another working SGS5 or Note3 or some reader/editor of proprietary
Samsung formats.
I have very important data on this phone.
Can somebody help me with this?
Thank you all.

Galaxy S5 broken screen, no USB debug need BACKUP. Help please

Hello guys.
Need urgent help with Samsung Galaxy S5 backup.
Screen and digitizer dont work, also USB Debugging is not turned on.
I need to make SMS and contact backup to Xperia Z3.
I have backup of contacts.spb and messages.sme on my PC.
Options:
I tried with mouse trough OTG cable and I can unlock the phone (there is no pattern or PIN), but its to hard to navigate with nothing showing up on screen.
Micro to HDMI cable is option but i need mouse or keyboard to turn on USB debug.
I have Kies 3 backup of contacts and SMS from this phone but they are in proprietary Samsung formats
*.sme and *.spb, tryed to make recovery of this files to Samsung Grand Neo 2 wich I have but Kies 3 isn't compatible
with this phone and older Kies cant read Kies 3 backup :/
So the only option to recover backup is to have another working SGS5 or Note3 or some reader/editor of proprietary
Samsung formats.
I have very important data on this phone.
Can somebody help me with this?
Thank you all.

[Q] Broken Screen - Need Help Turning On USB Debugging

Okay, here's the situation. My girlfriend dropped her S5 and the screen cracked. At first you could see part of the screen, but overnight that stopped working and it's completely black now. The digitizer kind of works, I can unlock the phone but don't know where to go from there. All I'm trying to do is restore her apps and app data to her replacement S5.
I've tried the following:
A. Backed up the the broken screen S5 via both Smart Switch and Kies 3, but for whatever reason both programs do not allow the apps to be restored to the new S5. In one of those programs it mentioned apps need to be installed first before restoring, so I tried installing a couple of apps on the new phone, but still the app restore check box in both smart switch and Kies is greyed out.
B. I pushed sidesync to the broken phone and can see that it is installed from the app backups in both smart switch and kies, but I can't open it on the broken phone so I can't get the virtual screen to work.
C. USB debugging is NOT enabled on the broken phone. I tried blindly navigating but I'm not even sure if I'm getting anywhere.
D. Bought the Samsung USB to HDMI adapter cable. I can get it to work with the new S5, but don't get a signal when connecting it to the broken S5.
My approach so far is to try and get USB Debugging enabled. Then I could use one of the Android virtual screen programs download and run Helium to backup apps and app data, or try a 3rd party Android Transfer PC program (tried one but requires USB debugging). Here are my questions that hopefully someone can answer:
1. I read somewhere that you can enable USB debugging by flashing a custom kernel that has USB Debugging/ADB enabled. Would it be possible to modify a stock NK2 kernel so that it has USB debugging enabled and then I could then flash the modified NK2 kernel to the broken S5? It is recognized in Odin and I'm fairly sure I can get it into Download mode.
2. Would taking apart the broken S5 allow me to possibly fix/mend whatever is broken or disconnected and preventing the HDMI cable from working?
3. Is there some way to restore Apps and App data from the Kies 3 or Smart Switch backups to the new S5? It seems very strange to offer backups of Apps and data in in both programs, but not allow them to be restored to the same make and model replacement phone.
If anyone has any ideas please let me know, I'm willing to try anything. Thanks!
Notes:
If I had done any of the following I could have avoided this mess. (1) Turn on USB debugging (2) Run Samsung sidesync at least once on the phone before it broke, it seems to automatically start if you've gone past the intro screen once. (3) Backed up apps and data via Helium (her phone was not rooted).

How do i get into locked phone with usb

Hi.
I have untypical problem. my phone has fallen and its matrix broke, so i can't see anything. i know the rest of it works fine. I've had some important stuff there and I'd like to recover these. Already connected my phone to pc by usb. It shows on list of devices but in order to copy files i need to accept it on my phone (what i can't do). i have galaxy s4 GT-I9506. I have root and Lineage os installed on it. So how can i see these files without unlocking my phone. I think i've had usb debugging on but im not sure. Please help.
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