[SM-T285] "no os installed" and my laptop not recognized my tablet - Samsung Galaxy Tab A series Questions & Answers

So, after a long story about Link2SD f*ck up my storage, i decide to flash a custom rom . when in twrp I accidentally delete everything and receive message "not os install...". I tried flash rom in sdcard by twrp but failed and /persdata mounting error. Then tried to flash rom with odin but the pc not recognized my tablet: either in download mode or twrp recovery, when connect it to laptop there are no reactions, no usb notification, no device in control panel, no driver downloading attemp odin/kies/adb/smart switch did not react anything, just "plz connect your device...". I have install samsung usb driver, i also try to reinstall it multiple times with kies and smart switch but it not work. I have try 2 different laptops (i cant access desktop now) with multiple ports and usb cables, the s7 edge with same port and cable is connect fine so i think the cause is my tablet (my fault
). I dont know what to do now, plz help.

duy0699cat said:
So, after a long story about Link2SD f*ck up my storage, i decide to flash a custom rom . when in twrp I accidentally delete everything and receive message "not os install...". I tried flash rom in sdcard by twrp but failed and /persdata mounting error. Then tried to flash rom with odin but the pc not recognized my tablet: either in download mode or twrp recovery, when connect it to laptop there are no reactions, no usb notification, no device in control panel, no driver downloading attemp odin/kies/adb/smart switch did not react anything, just "plz connect your device...". I have try 2 different laptops (i cant access desktop now) with multiple ports and usb cables, the s7 edge with same port and cable is connect fine so i think the cause is my tablet (my fault
). I dont know what to do now, plz help.
Click to expand...
Click to collapse
You need to install the Samsung USB drivers first.
Have you tried restoring your TWRP backup?

ashyx said:
You need to install the Samsung USB drivers first.
Have you tried restoring your TWRP backup?
Click to expand...
Click to collapse
i have install it already, i also try to reinstall it multipletime with kies and smart switch but it not work. i dont back up by twrp and when i click to the restore page there nothing

Related

loop boot quickly

Sorry for my English I will try to explain my problem.
After rooting everything was fine, but when I try to flash stock firmware somethings happen.First problem is that my PC cannot detect the phone with Odin and adb or mass storage I am 100% sure that the problem are not the drivers because I root that phone on the same PC before a week and of course I try everything on a another computer, but without success.
Download mode Odin cannot detect the phone! after many attempts to fix usb problem now the phone cannot boot , only in recovery (loop)after every start it's show recovery with message
Filesystems:
system: rfs
data: rfs
cashe: rfs
maybe system, data and cache files are erased I don't know.
recovery version is 0.1.3.b5
How can I flash stock firmware without PC. For example HTC devices can flash from SD card - Gold card, and PB99IMG.zip (I can't explain very well what I mean sorry)
Maybe the phone is usb bricked !
working..
recovery - only recovery
Download mode Volume Down + power off + camera ) - but cannot connect to PC and Odin.
not working
after flashing new costume ROM - the same thing - reboot to recovery
installed software on pc
android SDK,Kiesmini_1.0.0.10075_1,Samsung PC studio 1.5.1.10064_2,Drivers for spica on (Windows 7 x86)
really I cant find post like this !!! and sorry for my English
If you can go to download mode and phone is not detected, then you have bad drivers or bad usb in PC. Try another PC.
I have 3 pc and 2 cables and the same problem cannot detect. Can I flash new stock firmware without odin ?
godhamer said:
I have 3 pc and 2 cables and the same problem cannot detect. Can I flash new stock firmware without odin ?
Click to expand...
Click to collapse
Have you tried different USB ports, specifically one on the back of the PC?
Sent from a state of Serendipity
I told you that the problem is not drivers.Before week I flash another Samsung without problems. I think the problem is USB brick or something else
I HAVE DRIVERS
Help please !!!!!!!!!!!!!
reinbeau said:
Have you tried different USB ports, specifically one on the back of the PC?
Sent from a state of Serendipity
Click to expand...
Click to collapse
godhamer said:
I told you that the problem is not drivers.Before week I flash another Samsung without problems. I think the problem is USB brick or something else
I HAVE DRIVERS
Help please !!!!!!!!!!!!!
Click to expand...
Click to collapse
Calm down. Did you read what I posted above? I said nothing about drivers. Have you tried other USB ports? Most people find the ports on the back of the CPU work the best, not ones on the front, or on a hub. It does make a difference.

[Q] E Signature Verification Failed Galaxy S4

Hello!
I have royally F***** up my phone so if there are any geniuses out there, I will be so happy to hear your thoughts on my issue.
Here's my problem and I am open to any solution:
-My phone isn't rooted so CMW, TWRP, and any other custom recoveries are not an option.
-USB doesn't work
-Factory reset doesn't help (I've tried both ways)
-Any installs via extSD get the signature fail notification
-USB debugging is checked
-Allow apps from unknown source is checked
-App verification is unchecked
-Any kind of app that is meant to root my phone doesn't work
Thank you in advance!
Can you put it into download mode? If you can then you should be able to odin a custom recovery or odin the stock rom back to your phone and start from scratch. Have you downloaded the Samsung USB drivers? Only use the cable that came with your phone, others may not work or charge only. Also, try a different usb port.
Signature fails because you are on the stock recovery and the file you are trying to install hasn't been signed by Samsung.
cruise350 said:
Can you put it into download mode? If you can then you should be able to odin a custom recovery or odin the stock rom back to your phone and start from scratch. Have you downloaded the Samsung USB drivers? Only use the cable that came with your phone, others may not work or charge only. Also, try a different usb port.
Signature fails because you are on the stock recovery and the file you are trying to install hasn't been signed by Samsung.
Click to expand...
Click to collapse
I can put it into download mode but my phone still isn't recognized. I've tried many different cables, computers, usb ports, etc. I've downloaded the drivers from people posting them on here or on samsungs website directly but either way, i'm using windows 8 and windows 8 does it automatically. this wasn't a problem from the beginning, this just recently started happening and it has nothing to do with my computer or any computer for that matter.
Have you installed the drivers 'as administrator'?
Have you used Odin before?
How did you do what ever it is you think you did?
Have you tried Odin'ing a complete stock .tar? Here's one. Just download zip and extact the .tar.md5 file.
When you launch Odin are you right clicking and running as admin?
Did you put your phone into download mode before connecting it to a RUNNING Odin session. Meaning start Odin on PC as admin. Then put phone into download mode and then plugging it into computer.
Seems you can get into your phone right?
You may also try copying the extracted .tar to your SD card (via PC adapter or whatever) putting the SD card back in your phone and then trying to flash it via Stock Recovery.
Always nice when someone asks for help and then never reports back.

[Q] USB device not recognized

I've flashed my i9505 many times. I can't remember exactly what I've done, but now the situation is very weird.
1. I can go into Download mode. But Odin doesn't recognise it. Kies doesn't recognise it either. The error message on the bottom right corner of the screen says "USB device not recognized. Your usb device has malfunctioned." I've tried re-install the USB driver, use the original USB cable, even tried it on another PC with no luck. I suspect the very low level USB driver in the phone has corrupted because possibly I flash something wrong in the past.
2. I can go into Recovery mode and flash new ROMs in zip format from there.
3. I can use my phone normally, e.g. make phone call, SMS, WiFi......My computer can recognize my phone as usual when I am in Android.
Any thoughts? Helps are appreciated.
Hello,
Uninstall any previous installed of Samsung USB drivers, clean your Windows registry through CCleaner (not needed but highly suggested) then download and install latest Samsung USB drivers
Now download mode will be recognized on PC
Inviato dal mio GT-I9505
There is an easier way. If you are using windows, go into control panel-> Devices-> Right Click on your phone-> there should be a Driver Details-> Go details I think it is-> Uninstall driver-> Have the box ticked-> Uninstall-> Unplug then replug the cable in and it should work.
Sent from my Nexus 4 using XDA Free mobile app
AntaresOne said:
Hello,
Uninstall any previous installed of Samsung USB drivers, clean your Windows registry through CCleaner (not needed but highly suggested) then download and install latest Samsung USB drivers
Now download mode will be recognized on PC
Inviato dal mio GT-I9505
Click to expand...
Click to collapse
I've tried to re-install the driver. I even tried to connect the phone to another PC where the driver had never been installed before. Nope.... it doesn't work. Actually, I've searched around in Google for long time. The most likely reason is the usb piece of Android code is corrupted. Well, maybe not android, it should be the lower layer of Linux. I previously installed dual boot system follow this link and I screw it up when I tried to upgrade the primary OS:
http://forum.xda-developers.com/showthread.php?t=2447534
procket said:
I've tried to re-install the driver. I even tried to connect the phone to another PC where the driver had never been installed before. Nope.... it doesn't work. Actually, I've searched around in Google for long time. The most likely reason is the usb piece of Android code is corrupted. Well, maybe not android, it should be the lower layer of Linux. I previously installed dual boot system follow this link and I screw it up when I tried to upgrade the primary OS:
http://forum.xda-developers.com/showthread.php?t=2447534
Click to expand...
Click to collapse
You said that in Android USB connection works.
The download mode depends on bootloader, that can't be touched in any way by Android, even you can't touch the bootloader.
It's also write-protected, you can only upgrade it through Odin or through an official OTA update, when flashed you can't downgrade and can't write on its partition if not through JTAG
Inviato dal mio GT-I9505
procket said:
I've flashed my i9505 many times. I can't remember exactly what I've done, but now the situation is very weird.
1. I can go into Download mode. But Odin doesn't recognise it. Kies doesn't recognise it either. The error message on the bottom right corner of the screen says "USB device not recognized. Your usb device has malfunctioned." I've tried re-install the USB driver, use the original USB cable, even tried it on another PC with no luck. I suspect the very low level USB driver in the phone has corrupted because possibly I flash something wrong in the past.
2. I can go into Recovery mode and flash new ROMs in zip format from there.
3. I can use my phone normally, e.g. make phone call, SMS, WiFi......My computer can recognize my phone as usual when I am in Android.
Any thoughts? Helps are appreciated.
Click to expand...
Click to collapse
Hi friend, did you found out how to fix this issue i have the same problem with a I9500 please help
banziitox24 said:
Hi friend, did you found out how to fix this issue i have the same problem with a I9500 please help
Click to expand...
Click to collapse
Sorry mate, I am still stuck in Odin. Since I can flash new ROM via recovery mode and everything else still works, I give up.
procket said:
Sorry mate, I am still stuck in Odin. Since I can flash new ROM via recovery mode and everything else still works, I give up.
Click to expand...
Click to collapse
Dang I have this phone here I can connect it in Odin but in normal mode it doesn't connect and I need it to connect so I can finish the IMEI Repair
change the modes of usb
try *#0808# mtp + adb or others
try *#9090# try all of them
best of luck

Oneplus 2 no OS installed

Hey guys,
Earlier today I wiped my phone while trying to update the system, but when I tried to install the update it failed. That means that I'm now sitting without an OS on my phone, only able to access TWRP Recovery and Fastboot. I've successfully installed adb drivers and all of that, but when connecting the phone to a computer ADB doesn't find any devices and device manager only sees it as an unknown USB device (Device Descriptor Request Failed). I have been seaching for a couple of hours now and have not been able to find anything that works, so I'm hoping that you guys can help.
Try this
http://forum.xda-developers.com/oneplus-2/general/guide-official-stock-reset-to-oos-2-2-0-t3290707
sonyD4d said:
http://forum.xda-developers.com/oneplus-2/general/guide-official-stock-reset-to-oos-2-2-0-t3290707
Click to expand...
Click to collapse
When I try to update the driver, as it says in step A-7, the only unknown device is the unknown usb device and when I try to update that one with the qc folder, it just says that Windows have determined that it is up to date?
MrFreaky said:
Hey guys,
Earlier today I wiped my phone while trying to update the system, but when I tried to install the update it failed. That means that I'm now sitting without an OS on my phone, only able to access TWRP Recovery and Fastboot. I've successfully installed adb drivers and all of that, but when connecting the phone to a computer ADB doesn't find any devices and device manager only sees it as an unknown USB device (Device Descriptor Request Failed). I have been seaching for a couple of hours now and have not been able to find anything that works, so I'm hoping that you guys can help.
Click to expand...
Click to collapse
Have you tried connecting to PC while in TWRP recovery ? You should be able to access internal storage using mtp. Then you can copy another rom & flash it.
I have tried connecting to Windows 8.1 on a Macbook Pro while in TWRP Recovery, and that's where it said it was an unknown USB device.
MrFreaky said:
I have tried connecting to Windows 8.1 on a Macbook Pro while in TWRP Recovery, and that's where it said it was an unknown USB device.
Click to expand...
Click to collapse
Try with another cable
Yousvel said:
Try with another cable
Click to expand...
Click to collapse
Any other ideas, because I do not own any other USB type C cables. The one I'm using is the one that came with the phone, but I have never had any issues with it.
MrFreaky said:
I have tried connecting to Windows 8.1 on a Macbook Pro while in TWRP Recovery, and that's where it said it was an unknown USB device.
Click to expand...
Click to collapse
Lets try installing the drivers again. If this doesn't work, then it should be a cable issue OR usb port issue. Try this on another pc.
1. Download Oneplus2 USB drivers -> https://www.androidfilehost.com/?fid=24052804347833370
2. Before installing the drivers, Disable Driver Signature Enforcement. -> https://www.youtube.com/watch?v=NM1MN8QZhnk
3. Install the drivers & Restart.
4. Now try either connecting to pc while in TWRP or fastboot.
you can flash factory image through fastboot
MrFreaky said:
Any other ideas, because I do not own any other USB type C cables. The one I'm using is the one that came with the phone, but I have never had any issues with it.
Click to expand...
Click to collapse
Maybe this is a bit annoying but the best solution is to buy another cable since a few weeks ago I had the same problem, bought a new cable and the problem was solved. Hope this helps
Then flash the OS through TWRP using the advanced tool that allows you to sideload files using adb.
B!Gguy said:
Have you tried connecting to PC while in TWRP recovery ? You should be able to access internal storage using mtp. Then you can copy another rom & flash it.
Click to expand...
Click to collapse
How to enter mtp on recovery/fastboot?
I've done the same thing in the past (erase everything) , the solution that worked for me is this:
1.Always have a twrp back up on a usb stick.
2.Buy a cheap usb 2 type c to usb adaptor.
3.Enter twrp and restore the back up.
This way you do not need a pc/drivers etc.
I hope it helps.
simkhadalila said:
How to enter mtp on recovery/fastboot?
Click to expand...
Click to collapse
Enter TWRP recovery & connect to the pc.
B!Gguy said:
Enter TWRP recovery & connect to the pc.
Click to expand...
Click to collapse
I did it but but...can't detect PC my this device (mtp).
simkhadalila said:
I did it but but...can't detect PC my this device (mtp).
Click to expand...
Click to collapse
Looks like you haven't installed oneplus usb drivers. Install the drivers & try again.
Drivers -> http://www.technobuzz.net/oneplus-2-usb-drivers/

PC won't recognize Note 4

Have a note 4 on a custom rom- android kitkat. Was working fine, until i wiped data/cache a few times in TWRP recovery to do a clean install of the rom. Phone restarted without an OS, and then i couldn't get pass the boot logo screen. Couldn't flash any rom in recovery. So i did a restore thru TWRP from a backup. So now the phone boots, but it pc won't recognize it. Everytime i plug it, I get "One of the USB devices attached to your computer has malfunctioned, and Windows does not recognize it". Under device manager, I get "Unknown USB Device (device descriptor request failed)".
Things I have tried:
-Uninstalled usb drivers and let windows reinstall,
-at least 5 different usb cables
-at least 3 different Samsung oem usb cables
-other usb ports on the PC
-3 different pc (all with same- so im guessing its a problem with the phone)
-physically tried to push up the usb port on the phone- bad connection (someone recommended on google search)
- even when as far to reinstall windows OS
-*#0808# and set it to AP, MTP + ADB
-yes usb debugging is enabled
-download mode (odin does not see the phone, so cannot flash stock/custom rom
-diferent versions of odin
-different version of Samsung usb drivers
-have other samsung phones (note 5, and s6) and windows recognize those.
-phone does charge thru usb
need to get phone working again
-
Download stock rom from sammobile and flash it via odin.
Or else, flash the cf auto root file via odin, this reset all partitions.
Reporting Via N910G.
yashthemw said:
Download stock rom from sammobile and flash it via odin.
Or else, flash the cf auto root file via odin, this reset all partitions.
Reporting Via N910G.
Click to expand...
Click to collapse
You might try reading the whole post, rather than just replying.
JagDave said:
You might try reading the whole post, rather than just replying.
Click to expand...
Click to collapse
Sorry, my bad.
So, the author can try to repair partitions via twrp.
Go to wipe/advanced wipe and then select "Repair or change file system".
Select the partitions and repair them.
Reporting Via N910G.
Honestly man search my username ziggsta2 I had the same issue I had to buy another note 4 and even this used phone I got off eBay has the same problem when I wiggled the micro USB cord up and down I got it to connect, I don't suggest you doing this, but what might work is taking a very small piece of plastic and cleaning out your USB port on your phone, I believe these ports go bad after awhile as I have encountered this twice on two separate devices maybe you have a different issue but theres my two cents
ziggsta said:
Honestly man search my username ziggsta2 I had the same issue I had to buy another note 4 and even this used phone I got off eBay has the same problem when I wiggled the micro USB cord up and down I got it to connect, I don't suggest you doing this, but what might work is taking a very small piece of plastic and cleaning out your USB port on your phone, I believe these ports go bad after awhile as I have encountered this twice on two separate devices maybe you have a different issue but theres my two cents
Click to expand...
Click to collapse
i have tried. at this point i think it's hardware failure with the usb port. Stupid buying those cheap usb cables probably damaged the port because it seems to require a little more force than samsung cable. Planning ordering one and replacing. hopefully i don't do more damage. Had this phone for a long time and miss flashing roms on it.
i have still not fixed this problem....lol. had a new phone and been in drawer. did replace the usb port but it wasn't the problem. would like some solutions if anyone can help.
jxlee0215 said:
i have still not fixed this problem....lol. had a new phone and been in drawer. did replace the usb port but it wasn't the problem. would like some solutions if anyone can help.
Click to expand...
Click to collapse
Replace the battery

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