S7 - TWRP logo stuck, bootlooping into it & PC not recognise device - The End? - Samsung Galaxy S7 Questions and Answers

Dear Community!
I have an SM-G930F in a very hard situation I dont know what else I can do.
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I installed a Pixelexperience ROM to my S7, worked pretty well, no issues (Rebooted many times, without any issue*)
*One time the battery drained and it turned off so I plugged it into a charger and it went to the TWRP loading screen.
I can hardly go into the Odin (Download) mode, but the problem is:
Windows gives me an error saying "A request for the USB device descriptor failed (Code: 43)"
The error was there since the Pixelexperience OS was installed (Even when the phone was on!)
I tried everything what possible to try to reinstall the stock firm, or just boot into the pixelexperience, but I think this is the end for the phone.
What I tried:
Cable:
- Tried 5 different cables, tested each other with other devices, everyone is working, but not with my Samsung
PC:
- Tried with 4 different PC running Windows 10/11
- Tried with USB 3.0-2.0
- Tried with, and without Samsung drivers installed
Phone:
- Ofc, tried to force reboot with volume down+ power button (Same thing, booting into TWRP)
- Let it drain overnight. Last thing I tried to do, but sadly no change.. If I turn on a charger, it boots into TWRP, not even to the "offline" charging screen.
If anyone can help me to cure this stupid problem, I would be very thankful.
Or maybe this is the end?

The partition has probably been corrupted. Don't ask me why, there can be many reasons. If you can turn on the phone in download mode then try uploading the stock ROM with Odin.

ze7zez said:
The partition has probably been corrupted. Don't ask me why, there can be many reasons. If you can turn on the phone in download mode then try uploading the stock ROM with Odin.
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This is the sad part, because with 4 different pc with 5 different cables not recognise my phone as an USB device (Code:43) You can read it in the post. :\

Related

[Q] Help Needed_ZTE v967s

Hi Guys,
I have a problem with my ZTE v967s, if you have any advice, I would really appreciate it!.
How did the problem appear:
1. My phone gave me an error that I have insufficient memory (apps had just few hundred MB, 1 GB was "Missing") so I assumed that it is probably a log file which was soaring and cutting my memory)Phone also had problem to start, I had to restart it few times will the android loaded properly (I assumed it was from the insufficient memory)
2. I have tried following:
a. Factory reset -> it didn’t work, It just restarted to phone.
b. Recovery mode - I wasn’t able to get in to it by holding "Vol+" + "Power" (I should have CWM installed, I did it when I had the phone new together with Max Flavor ROM.
c. I tried following tutorial http://kumaravel-s.blogspot.com/2013/09/storage-space-running-out.html (basically deleted data/log_other_mode)
After the deletion of data/log_other_mode, my phone doesn’t load at all. I either freeze on ZTE logo or it gives me error "encryption unsuccessful reset android" (button reset doesn’t react), lately, it just gives me the ZTE logo
What I tried to solve the problem:
Downloaded SPFlashTool backup ROM from Carliv (http://forum.xda-developers.com/showthread.php?t=2393986 ) and I tried to flash it in to my ZTE using SP Flash Tool. First 2 steps (red, purple) went ok, the third one (yellow) freezes on 0% and eventually it gives me error "BROM ERROR : S_DA_SDMMC_WRITE_FAILED (3149)"
Screen:
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Same error when I flash whole ROM or just Recovery.
Drivers should be ok, I followed this tutorial: http://forum.xda-developers.com/showthread.php?t=2206421
Have somebody had this problem? Do you have some advice what might help?
Thank you!
munky02
Try spflash tool on different pc with windows xp
Dovahpig said:
Try spflash tool on different pc with windows xp
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I have tried it, the problem persists. Do you have any other ideas?

Nexus 5 Hard Brick

Hey yall,
So just a hour or two ago (as of this thread), I hard-bricked my Nexus 5 and can't get it to power on again. I tried disconnecting the battery and plugging it in again and didn't do the trick. I looked through guides on how to fix it but can't find any guide to fix it. I used Boarddiag but that doesn't recognize the phone (my pc can connect it, but says it's not recognized, prob driver issue) and other software but nothing works. Also when it's plugged in it makes a high pitch sound coming from the top of the phone.
This is really my gf's phone (not actually mine) and tried to put lineageos 18 on it (which i successfully did) and tried using a guide to resize the system partition to install gapps but that bricked the phone.
If anyone could help, that would be great. I want to give the phone back for her to use.
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ok so i just figured out a guide to patch the boot partition but is still not booting up. Guide said there was a "fastboot mod" what does that mean? (also i was using a windows 7 vm since windows 10 wasnt detecting it properly)
I know it's been a few days but i figured out how to do it!
You have to: (these are the instructions)
-download the 16GB or 32GB patch file (which ever one is for your phone)
-extract the zip/rar/7z file (if you find one)
-Figure out which COM your phone is and it is in the COM Ports in device manager labeled "Qualcomm HS-USB QDLoader 9008" (or if you're using a vm for this method like vmware it can pop up and show which device you're connecting into the vm)
-On the com port, change it to the specified number and change the device to Nexus5
-highlight AP check, SDRAM test (and change that to level 1) and Restore Device
-press start and then your phone should boot up after everything is done! (you have to find your rom though, since it is not in the patch file)
My Nexus 5 was running at once and suddenly turned off while it was about 80% charged
What do you think is the problem? My phone may also be Hard Brick?
deleted
chem20 said:
My Nexus 5 was running at once and suddenly turned off while it was about 80% charged
What do you think is the problem? My phone may also be Hard Brick?
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Click to collapse
No that's an battery issue

XIAOMI NOTE 4X PROBLEM

HI EVERYONE, HOPE YOU DOING FINE.
I HAVE XIAOMI NOTE 4X THAT IS NOW NOT WORKING, WHEN I PRESS THE POWER BUTTON IT VIBRATES LIKE IT WOULD START BUT NOTHING HAPPENS AFTER THAT, NO MI LOGO OR FAST BOOTING, I TRIED TO FLASH IT USING MI FLASH TOOL BUT THE FLASHING PROCESS TAKE JUST 2 SECONDS AND THEN IT SAYS SUCCESS, DON'T KNOW WHAT IS THE PROBLEM I INSTALLED ALL THE DRIVERS , BUT PHONE DOESN'T RESTART AFTER THAT. CAN ANYONE TELL ME HOW TO FLASH THE PHONE CORRECTLY?
THIS IS A SCREEN SHOT OF MI FLASH TOOL:
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CAN ANYONE HELP ME WITH THIS?
i want to explain the problem more clearly, when i press the power button on the phone it vibrates only, and then nothing happens, i tried to put it in fast boot mode but i couldn't.​i used the mi flash tool several times trying to resolve the problem but i didn't work, when i plug in the phone to the laptop the device id appears in device section in mi flash tool but the COM port doesn't appear at all no matter how much i tried, also QUALCOMM drivers are installed but they don't appear in device management when i connect the phone to the laptop.​please is there any one can help me?​
I had mido for a couple of years but nothing like this has ever happened to me. Try flashing in EDL mode or maybe try charging it.
AmmarHaseeb said:
I had mido for a couple of years but nothing like this has ever happened to me. Try flashing in EDL mode or maybe try charging it.
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i tried but nothing works, in mi flash tool this"31e0ceea9804" appears in device section instead of COM port. and when i click on flash it takes just 2 seconds and then it says "success".

BV4900 Pro systemupdate and brick

Hello everybody!
Yesterday, on 28 of December, I had a massage on my BV4900 pro that a systemupdate is now ready to be installed.
After download of 2,48 GB file the installation went on, the phone started in the next step. On the screen was this white circle and the installation-progress was shown under. After the update was completted, the phone didnt start. The screen ist black. I cannot do anything with it. I tried to flash the firmware or at least the preloader with sp-flash-tool, but cannot. The connection to sp-flash-tool is with 100% but then I see under device-manager is "Media Tek PreLoader USB VCOM (Android)". So the flash-tool does not flash. I tried with volume buttons to stop the battery-loading, but withou sussess. What can I try more to save the phone?
Some more informations: The red LED ist on, when the phone ist connected to pc or power-supply. The phone was rooted. The last android version: 12
And maybe this picture will help:
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Just a Hint:
Do not flash preloader! preloader is responsible for preloader mode (which used by SP Flash Tool)
Do not use "Format all + Download" option. Formatting whole emmc will brick device.
regarding your issue. follow the recommendations of your screenshot.
aIecxs said:
regarding your issue. follow the recommendations of your screenshot.
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Yes, I did it already. Nothing helps.
I spend the second day with this problem and do not come forward.
you already tried another cable and another PC? then probably usb jack is faulty. you shouldn't flash anything via usb then!
I am not the one who told you - you could try other flash tools. do not flash, just try to read back for now...
https://www.xda-developers.com/bypass-mediatek-sp-flash-tool-authentication-requirement
https://github.com/bkerler/mtkclient
Somebody else, who maybe has an idea?
I found this discription of the error:
The phone seems always be on. With power button I can only "restart" it. How can I shut it down?
Is there a tool I can use for switch the phone off?
Or maybe cmd-command for shutting down the device on com-port? I cannot find anything in internet. Only with adb. But I have no connection to adb, the phone is over adb not rearchable.
Maybe someone can show me the test point for this smartphone?

Help to fix S7 bad flash

Hi Everyone Thans for having me Im stuck
My s7 froze and wouldnt do anything I managed to turn it off ,then it wouldnt boot ,after clearing the cashe and rebooting system it almost started but kept going to the android falling over ,
I read the options to sort this and tried to flash twrp recovery I seemed to go ok but when the phone rebooted it went to the An error has occured while updating the device software screen ,
I have tried smart switch but it does not see /connect the phone ,I can with a bit of messing with the buttons get from the An error /use the emergency recovery function screen to the ODIN Mode screen and the phone connects to odin But when i try to re flash the boot loader it flashes to the end then fails .
Am I right thinking Its the boot loader I need to get on 1st to get any further ?
Can anyone point me in the right direction ?
If ive posted in the wrong place please can you move
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Sounds to me, like part of the storage may have suddenly failed or been damaged, causing your device to lock up and after a reboot, triggering this unusual state. Part of the bootloader is likely not getting read or written to properly, so installing fails only after partially writing to the device, and it refuses to boot. You could try a repartition and complete installation - that might also make it worse though. I've seen the blue screen of mild annoyance many times - not sure about the falling android, was there any text? If so, what did it say? The firmware does contain screens for various diffrent panic states, resembling the one you mentioned. I would encourage you to do some more research on those and look for patterns in the way it fails - or doesn't - when flashing other parts of the firmware package. Don't even bother with SmartSwitch - in my experience, it fails at anything the errors tell you to use it for. Also, simple issues like a faulty cable or the wrong firmware can often be overlooked - so make sure those are fine before starting to experiment.

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