Samsung Galaxy A40 Screen mirroring (is there a way?) - Samsung Galaxy A40 Questions & Answers

I have a Samsung Galaxy A40 which the screen is completely smashed/unresponsive and so I am looking for a way to do screen mirroring to the tv/monitor. Is there a way?
If so what feature do I need on the adaptor/cable to ensure it works for this? If you know of a device, preferably with extra usb slot for a mouse to turn on USB debug mode or simply enable access to backup data.
Am I correct in thinking it needs to have HDMI alt-mode (alternative mode)?
One solution is to replace the screen, but that costs a lot more.

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Broken Screen & Digitizer, Can't Unlock Pattern or Allow ADB

Hello, I have a Galaxy S4 i337 running 4.4.4 Kitkat. It is stock rooted. I have broken the screen and digitizer, so I cannot see what is on the screen and there is no touch input. The phone has a pattern lock with a backup pin. I know the pattern and possibly the backup pin, but I can't input them due to no touch input and I can't see the display. I have an MHL connector that shows the display on my TV, but I can't provide any input. I also have a USB OTG cable and a mouse and keyboard, but input with these devices is essentially useless since I can't see what's on the screen at the same time.
I was going to try the "Android Control" Windows app that I found here at XDA, however, I am unable to unlock the phone and then allow the PC to connect to the phone using ADB. I am referring to the "Allow USB debugging?" prompt. I believe USB debugging is enabled. Wifi is turned off, and bluetooth is turned off. I was thinking that I may be able to connect a bluetooth mouse and use the MHL adapter at the same time, but I can't enable bluetooth. I do not have a Samsung account, so I can't use the find my phone or whatever it's called to unlock it. Does anyone have ANY ideas of what I can try to gain access to the device? :fingers-crossed:
I'm sorry to hear that. I did the same thing trying to replace the glass on my phone. I'm sorry to tell you but you're going to have to go on to Amazon and order one the cheapest I found was for $77. I don't think there is any external application to unlock the pin pattern on your phone without being able to use the touch screen
Sent from my SGH i337 on deadly venom
There has to be some kind of back door or something. Surely Google isn't so inept that they have locked down MY device to the point that I have lost ALL of my data due to the lcd and digitizer being broken. Samsung Kies says that it isn't compatible and says to use something called Smart Switch, which won't work with the phone locked. I can presumably install software via the Google Play website, but that's the only thing that I am aware that I can do without operating the phone directly. I read about an app that can supposedly unlock your device if you install it from Google Play. I have no idea if it works, and that would only solve half of my problem. I still need to disable or bypass secure adb. If not for secure adb, I'd likely have full access to my device. Thanks Google; secure adb is awesome!
Ideally there would be an app that could be installed via Google Play that would automatically enable an FTP server on the device without any configuration. It would be preconfigured with the options in the documentation and would enable on install or after reboot. I have Filezilla and have used FTP before with the device via ES File Explorer, but I can't enable it with a broken lcd and digitizer.
There is a product called Samsung Remote Client/Server that I believe is intended for carrier unlocking devices. It is a paid product, but a free function of the software is the ability to bypass pattern lock. I can't get it to work though. It says:
"Opening Modemport at COM3"
"Bypassing Pattern lock...Please Wait..."
"Bypass Failed"
"Make sure you have set the correct modem or uart port as modemport!"
I have no idea what it is talking about regarding the port.
I read something about possibly being able to manually add my PC's RSA fingerprint to the device to allow adb to connect, but I can't access the filesystem to do this. As much as I despise Apple, I'm wondering if my data would be forever lost if I was using an iPhone and my screen broke. I'm betting either iTunes or one of the Apple stores could recover my data. I guess with Android, you're hosed if your device malfunctions.
Try sending an email to Josh at Mobile Tech Videos or give him a call. He has a shop in texas, and is the most knowledgable person on Galaxy phones of anyone I know outside of Samsung. You might be lucky enough to talk to him in person. (He's very busy.) He can probably get your data for you, for a reasonable price, and will also probably be forthcoming with any way you can do it yourself, if you ask. He is somewhat active here on XDA-Developers as @connexion2005.
Edit: I hadn't looked at his web site for some time. That note about not taking new orders has been up there for the better part of a year now. Also, it looks like he is making good money fixing blacklisted phones with his jtag equipment. So, I'm not sure if this is good advice or not. But it can't hurt anything to ask.
Thanks for the information. I'll look into it. I may have found a broken Galaxy S4 with a working screen and digitizer. If that pans out, I think I can connect the screen and digitizer from that phone to my phone and at least unlock the pattern and authorize my PC. I also found a dock on Amazon for $16 that supposedly lets you connect an HDMI cable and mouse and keyboard simultaneously. I'll try that if the other phone doesn't come through.
OTG cable
Use a generic OTG cable, then connect a wireless Keyboard/Mouse combo. I use one of these: Logitech K400 for my customers, works for most phones.
tigueraje said:
Use a generic OTG cable, then connect a wireless Keyboard/Mouse combo.
Click to expand...
Click to collapse
I appreciate the input and suggestions, but as stated in the OP:
I also have a USB OTG cable and a mouse and keyboard, but input with these devices is essentially useless since I can't see what's on the screen at the same time.
Click to expand...
Click to collapse
I have a semi-complex lock pattern. Using a mouse to input the pattern without being able to see the screen is virtually impossible. I have tried. Just getting it to accept the WRONG pattern 5x while hitting at least 4 points each time is very frustrating and nearly impossible. Unless the trackpad on the keyboard you linked works differently (touching the center of the pad centers the on-screen cursor), that method won't work. I doubt it works that way in my experience with laptop trackpads. The only solution that I know of regarding OTG would be to buy a dock that enables both HDMI and mouse input simultaneously.
Regardless, someone came through with a broken Galaxy S4 that I can possibly take the screen off of to at least unlock my phone, remove the pattern lock, and authorize my PC's connection via ADB. I'm about to tear into that now.

Enable usb debugging on a stock Samsung Galaxy S5 with broken screen

Hello, I have read lots of topics but I haven't found the solution! I have a Samsung Galaxy S5 with broken screen and I need to control it via usb with some program of screen mirroring. This type of programs need usb debug on! The phone is stock. Is there a way to enable usb debug? Thank you
Crystian95 said:
Hello, I have read lots of topics but I haven't found the solution! I have a Samsung Galaxy S5 with broken screen and I need to control it via usb with some program of screen mirroring. This type of programs need usb debug on! The phone is stock. Is there a way to enable usb debug? Thank you
Click to expand...
Click to collapse
Would be best try your luck with a HDMI dongle and a TV.
Sent from my F5121 using Tapatalk

S8+ Screen Busted...Need To Recover Data

I have some data inside my Secure Folder and in my regular storage in my S8+, but the screen is busted. (The LCD and digitizer don't work now) Any way to get access into my phone? Connecting it to HDMI shows my phone onto a monitor, but since the digitizer is broken I can't even do that. Unfortunately the USB Debugging was not enabled, and SideSync has not been used on the phone. I have to send it to Samsung for repairs soon, if anyone knows any way...please help!
Buy a dex dock and return it when you saved your data ?
Use the otg adapter that came in the box n hook it to a bluetooth keyboard

S8+ Damaged screen, can't unlock screen lock, please help.

My S8+ had an accident. The device still works but the screen is unreadable and inoperable. I can not unlock my device. There are files on the device that I need to extract. I can't seem to mirror the screen in any way. How can I access the device via PC? If I can unlock the screen I should be able to mirror it. Is there any other way to make a backup? Is there any software I can use to access the device? Is it possible for me to enable USB debugging through any type of command?
Any advice would be greatly appreciated.
I just dropped my S8+ a few days ago.
Same problem Display and Touchscreen won't work properly.
I ordered a USB-C Samsung Multiport adapter.
Connected the adapter to my Phone and TV and hooked up a USB hub with mouse, Keyboard and a USB Flashdrive.
I managed to backup all my important files without ending up paying for a expensive phone repair.
try an otg cable and a mouse/keyboard
JakeDaBass said:
My S8+ had an accident. The device still works but the screen is unreadable and inoperable. I can not unlock my device. There are files on the device that I need to extract. I can't seem to mirror the screen in any way. How can I access the device via PC? If I can unlock the screen I should be able to mirror it. Is there any other way to make a backup? Is there any software I can use to access the device? Is it possible for me to enable USB debugging through any type of command?
Any advice would be greatly appreciated.
Click to expand...
Click to collapse
I'm pretty sure google find my device can unlock the screen lock

Enable USB Debugging on S7 Edge (SM-G935F)??

Hi,
My brothers phone screen is basically unusable.
When I connect the phone to the PC it recognises it in Windows but the phone contains no folders. At first I assumed it was because his screen was locked so I connected a OTG and keyboard and using commands managed to get his phone "unlocked" to the home screen.
However this didnt fix the issue.
Reading around it seems I may need USB Debugging enabled (if he hasn't already) but due to not being able to use the screen how would I do that?
Do I need a MICRO USB to HDMI & USB adapter to use a mouse and TV output?
Or is there a way I can fix this through windows using ADB?
At this point we are willing to try anything as all we are looking for is some family photos off of it then binning the phone and I don't want to put £100-200 into the screen replacement just to attempt this data recovery.
All help is greatly appreciated,
Cheers
ADB is the door to any Android device. As long as ADB has not been activated on the device - and the related RSA keys got created - you have no chance to pull out data from device, IMO.
Ok,
Well see the fact when I connect it to windows it shows the phone but not the folders inside, and I can only assume there will be a popup on the screen mentioning to ALLOW/DECLINE transfer etc..
If I use the OTG adapter I can plug my keyboard in and use the sequence SPACE, SPACE, BKSPACE, BKSPACE, then my PIN and ENTER and it unlocks to the home screen.
But because I would need the phone connected by both PC and KEYBOARD at the same time is it possible to get a splitter on the OTG adapter and this would hopefully let me press RIGHT and ENTER to accept the message?
If not then can the phone be connected via HDMI to see if any message is infact popping up??
Rowan88 said:
Hi,
My brothers phone screen is basically unusable.
When I connect the phone to the PC it recognises it in Windows but the phone contains no folders. At first I assumed it was because his screen was locked so I connected a OTG and keyboard and using commands managed to get his phone "unlocked" to the home screen.
However this didnt fix the issue.
Reading around it seems I may need USB Debugging enabled (if he hasn't already) but due to not being able to use the screen how would I do that?
Do I need a MICRO USB to HDMI & USB adapter to use a mouse and TV output?
Or is there a way I can fix this through windows using ADB?
At this point we are willing to try anything as all we are looking for is some family photos off of it then binning the phone and I don't want to put £100-200 into the screen replacement just to attempt this data recovery.
All help is greatly appreciated,
Cheers
Click to expand...
Click to collapse
OK, new to this. To get usb debugging on, click system. About phone, Software information, build number. Click that several times. (AT least 10). You will see a message that you are in developer mode. Go back to home screen. Click settings icon. Scroll to bottom you should now see { } Developers optiions. Click that. Find the section for ADB, enable ADB. Once ADB is up and running you should be able to pull the files. The screen for an android is the desktop, mouse, and keyboard. (PC analogy). You need something to see your icons, something to click, and a keyboard. If OTG acts as a mouse, and you can see the basic display, and have an external keyboard. I think you can do this. I am not sure what OTG is .
wdtr2002 said:
OK, new to this. To get usb debugging on, click system. About phone, Software information, build number. Click that several times. (AT least 10). You will see a message that you are in developer mode. Go back to home screen. Click settings icon. Scroll to bottom you should now see { } Developers optiions. Click that. Find the section for ADB, enable ADB. Once ADB is up and running you should be able to pull the files. The screen for an android is the desktop, mouse, and keyboard. (PC analogy). You need something to see your icons, something to click, and a keyboard. If OTG acts as a mouse, and you can see the basic display, and have an external keyboard. I think you can do this. I am not sure what OTG is .
Click to expand...
Click to collapse
1. I cant follow that process as the screen is completely destroyed (no display/no touch), thats why I have been blindly using a keyboard to try and find the setting
2. OTG is ON THE GO , its a small adapter that lets you connect USB devices to your phone.
Sorry about that. I think you are stuck. without some visual clues I think you can not put the phone in developer mode. Did you try just a plugin (via usb) into windows and seeing if there is a pictures folder?
It find the phone in Windows, but wont display the folders.
The OTG splitter I purchased to be able to connect it to the PC and KEYBOARD at same time didnt work as it doesnt supply power (should have checked reviews).
Any other solutions? Or is this a new screen for £200 just to get data?
I purchased another OTG splitter that has a OTG/CHARGE switch so this should let me connect it to the PC and KEYBOARD.
Can anyone give me shortcut keys or step by step on how many times I need to press certain buttons to get down to the USB DEBUGGING section please?

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