[Q] i957r cant power on - Galaxy Tab 8.9 General

after install may be wrong file and restart cant power on again
now when i connect it in my pc usb device connected" and "usb device disconnected and hear the voice and see that in device manager
now i put it as nvidia usb boot recovery but still on & off on usb and nothing on the screen and cant go to recovery mode
please help me

Related

is there any solved please

I have stuck enter usb mode I make Y cable
i can't do anything when turn on my phone "HD7" he going directly to mode "Enter Usb Host Mode "
is there any way ?

Can't Connect to PC and Stuck in Bootloop

I Updated my Lenovo A7000+ then the Update Failed, and now it's Stuck in Bootloop and I Search the internet to Fix it but I need to connect to PC, I Connect it to PC and Didn't Recognize then I Install Lenovo USB Drivers and Still Not Recognize, and now how do i connect this phone to pc.
1. Remove the battery
2. Get into twrp mode by pressing volume and power buttons at a time
3. Now connect to pc with usb cable
4. Your phone will get detected perfectly
5. Do what ever you want

I can not connect flashmode

hello I can not connect flashmod sony x performance dual sim.All driver instaled flashtool.driver usb sony.maybe you have the original rom format zip which can be install we TWRP .
Thanks for the help I shall be indebted
translated with google translator
You can see what happen when you connect the phone by Windows Device Manager.
You can see what driver get error. Then fix it
If the phone is turned off nothing happens,and fastboot mode S1 boot mode connect.and from a today when I want to turn on, up only a black screen

Is my Z3C dead?

Hello, I tried to flash kitkat, I run flashtool and start flashing it but after a while in the middle of flashing it says device disconnected. After that if I connect it to my PC in flashmode it says it has a problem with this device, I can see it in the device manager as an unknown device, device ID is USB/UNKNOWN, fastboot mode says its a sony ADB interface but when I click on it it says it cannot run this device, the device ID is USB/VID_0FCE&PID_0DDE&REV_0100. Is there any way I can repair it? If I try to power up my phone the sony logo appears and it says the software update failed. If I connect it to charger its the same, no battery appears. If someone know how to rescue it please reply, I buyed it yesterday and its already broken
Now I check it on flashtool, after I connect the usb while pressing vol up button it says device connected in fastboot mode but when I click on check current device status it says device status: not found, also get device info says this action can only be done in fastboot mode
And now my PC doesn't notice if something is connected, no device problem pop up, just nothing. Now when I connect it to the charger the led flash red one short time and nothing
EDIT: now i charged it for a while and PC see it again, on charging bootloop with software update failed
Try to flash stock firmware with flashtool and see if it even recognizes it.

Samsung tab a t550 stuck on odin recovery pc won't recognize

I used twrp from play store to upgrade twrp. Probably flashed wrong recovery. Boots to the odin screen, nothing works. My pc will not recognize the tablet. I can't power it off, I can hold down all 4 buttons and it will reboot to the same place. I can reboot to download, but computer won't recognize. Odin does not recognize. Device manager shows a problem. When I plug usb cable in. Pc says USB device not recognized. Any ideas?

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