Safe Mode - Shield Android TV General

Hi.
Maybe someone has had this issue & can help please.
My 2017 Nvidia shield 16gb has got a massive issue.
Whenever I put it on, it won't boot up anyway I try other than in safe mode. I've factory reset from within safe mode & get the same issue. Just won't boot up normally, only from safe mode. Is there away to fix this issue please?
I can find it via my pc with ADB fastboot programme but in normal boot up, it says device unauthorised, but from safe mode it is authorised but can flash recovery rom. Please can someone help me.
I've tried different TVs & cables still nothing but safe mode on my old TV. & Even worse on my new TV, don't even show up as being in safe mode or anything. I've now been looking into trying to use and & flash recovery rom but I keep getting device unauthorised. How do I get it to be authorised please? Or if anyone knows how to help, please do. Thanks

I'm having the excact same issue with my 2015 model.
I thing I have tried everything.
Flash new firmware (Different FWs), update from safemode.
But everytime I boot normal, I get a Nvidia logo, in bad resolution, and then black screen, and nothing more.
I have no idea what to try next.

Related

[question] cant boot into recovery or download mode

hi guys
so basically i installed some roms on my note 2 but i didnt like them so i reflashed note 2's stock firmware.
when i got the phone i wasnt able to go into download mode, the problem was i could go pass Volume Up: Continue
once i reflashed the stock rom i waited for it to boot, ive dealt with difference samsung phones and from my knowldge it wont boot until i do a full wipe after the flash. i pulled out the battery and tried to get into recovery but it wont go in it.
i used adb to go into download mode and recovery mode before since it was the only option. but now i cant because it doesnt recognize the device. odin detects the device when not in download mode but wont do anything. i really need help guys.
thank u i hope someone can help

Bricked Zenfone, Out of ideas

Hello everyone, need a little help if possible .
The say curiosity killed the cat, well… it killed my phone. To be more precise I wanted to know if my 550ml (with unlocked bootloader and running cm12.1) could run a 551ml firmware so… I did install thru TWRP the superzen firmware and after that the screen turned black. Can’t see anything . Not even in fastbootmode, no logo, no nothing. If I turn it on and plug it to the pc it shows, I see the internal memory and the sdcard. It’s gotta be from the different resolution that 550 and 551 have but how do I change it since I can’t see anything?
I did a userdata reset thru fastboot, wiped cache , reinstalled stock recovery ,boot recovery, tried to install stock firmware, still no change. I even managed to enter stock recovery and did an adb sideload of the latest firmware from the asus site.
As for now the phone boots, the capacitive buttons respond, the led indicates that it charges, the pc sees it but no matter what I do the screen remains black. Most likely I’m on the setup wizard but like I said I don’t see anything.
So… What can I do now? To the Asus service with it or …?
I'm not much of a forum user so go easy on me. Thank you.
Not sure if it's going to make a difference but here is an idea, try sideloading a cm recovery and flash a cm rom and see what it does...
fastmix said:
Not sure if it's going to make a difference but here is an idea, try sideloading a cm recovery and flash a cm rom and see what it does...
Click to expand...
Click to collapse
Unfortunately it does not work, when i try to sideload a rom with twrp it gives this: error closed. Probably because usb debugging is not enabled... and in cwm different error: Device unauthorized...
Are you sure bootloader is unlocked?
It has to be unlocked cause i can flash permanent TWRP and when I enter TWRP recovery i can touch the buttons, even tried to do a restore in the dark... But nothing... Still the black screen persists... Thank you anyways.
PS: Well it looks like I've managed to resolve my problem. Thanx to user helroz i have found in his google drive a Raw firmware and I was able to flash it via fastboot with Asus Flash tool and now the phone booted, no more black screen for me. Lesson learned.

OnePlus 3 will NOT turn on under any circumstances

Hi guys, my OnePlus 3 will not turn on at all. It does not boot into recovery mode, fast boot mode or regular booting up. No matter what button I press/press and hold, it does not turn on. I can also confirm that the screen is working and it doesn't have that display issue, it's literally off and won't turn on under any circumstances. What do I do? I've plugged it into my Windows PC and it detected my phone but it won't show anything about the phone at all. Please help me, I've been at this for over a week. How did this happen? It started with my flashing CM13 with GAPPS (Google Apps) and that worked successfully. I then tried to flash CM14 without GAPPS because I was too excited (stupid me) and now if I try to boot into recovery mode it won't boot up into anything at all. Please help me, it would be greatly appreciated. Thanks!
Namanpuri80 said:
Hi guys, my OnePlus 3 will not turn on at all. It does not boot into recovery mode, fast boot mode or regular booting up. No matter what button I press/press and hold, it does not turn on. I can also confirm that the screen is working and it doesn't have that display issue, it's literally off and won't turn on under any circumstances. What do I do? I've plugged it into my Windows PC and it detected my phone but it won't show anything about the phone at all. Please help me, I've been at this for over a week. How did this happen? It started with my flashing CM13 with GAPPS (Google Apps) and that worked successfully. I then tried to flash CM14 without GAPPS because I was too excited (stupid me) and now if I try to boot into recovery mode it won't boot up into anything at all. Please help me, it would be greatly appreciated. Thanks!
Click to expand...
Click to collapse
Search for the Hard Bricked thread by Naman Bhalla and use it. The links in it may point to older versions, so find out if any later versions are available.
Namanpuri80 said:
Hi guys, my OnePlus 3 will not turn on at all. It does not boot into recovery mode, fast boot mode or regular booting up. No matter what button I press/press and hold, it does not turn on. I can also confirm that the screen is working and it doesn't have that display issue, it's literally off and won't turn on under any circumstances. What do I do? I've plugged it into my Windows PC and it detected my phone but it won't show anything about the phone at all. Please help me, I've been at this for over a week. How did this happen? It started with my flashing CM13 with GAPPS (Google Apps) and that worked successfully. I then tried to flash CM14 without GAPPS because I was too excited (stupid me) and now if I try to boot into recovery mode it won't boot up into anything at all. Please help me, it would be greatly appreciated. Thanks!
Click to expand...
Click to collapse
If pc detects phone try /adb devices ,if it detects phone, go like this: /adb reboot bootloader then it should reboot into fastboot. If so try fastboot flash recovery "yourrecovery.img" (I suggest stock recovery of oos you had before brick). The next step, if you boot into recovery is to adb sideload stock oos. Command for that is /adb sideload "youroosfile.zip"
You need to use Msmdownloadtool to go back to stock because you are stuck in EDL(qualcomm emergency download mode), check Mega unbrick guide and use method 2 to go back to stock, and i guarantee it will work 100%.
ach3fck said:
You need to use Msmdownloadtool to go back to stock because you are stuck in EDL(qualcomm emergency download mode), check Mega unbrick guide and use method 2 to go back to stock, and i guarantee it will work 100%.
Click to expand...
Click to collapse
That's right I even recover a CB8 dead OP3
toolkit
try oneplus 3 toolkit
Try the Unbrick tool, everything that is bricked can be solved...

[Solved] Alternating between TWRP and Samsung logo

Hi,
I was running LineageOS on my Galaxy Tab S tablet (SM-T800). I tried to update LineageOS. I went into the settings and downloaded the lastest version. However, the installation didn't go through. The download was successful, but an error message told me to try and manually install the update. I tried to go into TWRP mode to install manually the update. Instead of going in the recovery mode, I saw a TWRP app on the Google Play store. I tried and install that app. It went ok, however, I needed to reboot my tablet to finish. I did so, but after that, I got stuck in booting mode, between the TWRP logo and the Samsung logo. So the tablet was trying to boot in TWRP mode, but after about 5 seconds on the splash screen of TWRP, the spalsh screen disapear and then the tablet tries to boot in normal mode. It doesn't work, and the tablet reboots in TWRP mode, but, again, unsuccessful. It's a loop, alterning between the two splash screens.
I tryed to go into download mode and flashed the stock ROM (found on Updato) while using Odin on my computer. It worked. However, after the process, my tablet got stucked on the Samsung logo only. Now, it doesn't go in recovery mode (TWRP). I can only go in download mode or regular mode (but not working). Only the download mode works.
I don't really know waht to do. I tryed to redo the process with Odin and the custon ROM, but it didn't work better.
What can I do?
Thank you very much for your help!
Blaccko said:
Hi,
I was running LineageOS on my Galaxy Tab S tablet (SM-T800). I tried to update LineageOS. I went into the settings and downloaded the lastest version. However, the installation didn't go through. The download was successful, but an error message told me to try and manually install the update. I tried to go into TWRP mode to install manually the update. Instead of going in the recovery mode, I saw a TWRP app on the Google Play store. I tried and install that app. It went ok, however, I needed to reboot my tablet to finish. I did so, but after that, I got stuck in booting mode, between the TWRP logo and the Samsung logo. So the tablet was trying to boot in TWRP mode, but after about 5 seconds on the splash screen of TWRP, the spalsh screen disapear and then the tablet tries to boot in normal mode. It doesn't work, and the tablet reboots in TWRP mode, but, again, unsuccessful. It's a loop, alterning between the two splash screens.
I tryed to go into download mode and flashed the stock ROM (found on Updato) while using Odin on my computer. It worked. However, after the process, my tablet got stucked on the Samsung logo only. Now, it doesn't go in recovery mode (TWRP). I can only go in download mode or regular mode (but not working). Only the download mode works.
I don't really know waht to do. I tryed to redo the process with Odin and the custon ROM, but it didn't work better.
What can I do?
Thank you very much for your help!
Click to expand...
Click to collapse
Have you tried to reflash twrp via odin ? If that works go into twrp reformat your partitions, then flash a custom rom.
Hi,
Thanks for your answer. I tried to reinstall TWRP with Odin on my computer. The process went well, but the reboot of my tablet that occurs at the end of the process got stuck again on the Samsung logo. It didn't get to TWRP mode. I tried to go manually into recovery mode by holding power+vol up+home, but it didn't work.
What else can I try? Thank you,
Blaccko said:
Hi,
Thanks for your answer. I tried to reinstall TWRP with Odin on my computer. The process went well, but the reboot of my tablet that occurs at the end of the process got stuck again on the Samsung logo. It didn't get to TWRP mode. I tried to go manually into recovery mode by holding power+vol up+home, but it didn't work.
What else can I try? Thank you,
Click to expand...
Click to collapse
Are you trying to get to twrp from powered off state ? If not , get to power off state, then use key combo again to try to get into twrp.
Also when you flash twrp, in odi , there is a setting to prevent auto reboot, use that and try to get to twrp via key combo from download. Mode., finally tripple chech the key combo you are using is correct
Hi,
Thanks for the help. I tried to get to TWRP from power off state. The TWRP splash screen appears, and stays on for about 5-10 sec. After that, the splash screen disappear and the tablet reboot to get stuck on the Samsung logo again. It's like if the TWRP booting process doesn't go through...
Thanks again for your help,
Ouch !!
Looks like you got a real problem , and getting into territory I'm not expert in, Ashyx is the real authority with twrp for this device, you can try to pm him and hope he takes pity on you ( he has been helping guys on this qa thread tirelessly for over a year, and is prob taking a well deserved break ).
Otherwise a few more suggestions,
Maybe your PIT is messed up , ( but you prob would not make it to twrp splash screen in that case )
Twrp may still be trying to execute the script from the original linage update and not finding something bails ( total guess ).
Try flashing a stock ( downloaded from sammobile or somwhere you trust ) rom via odin, and see if you can get into the stock recovery. From there do a factory reset and see if you can get stock running.
Try getting into twrp with device connected to pc ( helped in some wierd cases, you never know lol ).
When TWRP splash screen comes up, try some key combos , maybe twrp checks for a script abbort key combo ?
Checkout the TWRP github issues page, see if your bug is there and a solution, create a bug report or mail a dev directly.
Have a look at the TWRP code, maybe some clues ??
Hi,
So not much development here...
I tried to download the stock ROM for my device from Sammobile and tried flashing it with Odin (JOdin actually, I'm on Mac), but it says it need a PIT file. I let Casual fin the PIT file and it finds it. Only, after that my device does not reconnect to Odin even though it's still plugged in my computer. I tried to unplug it then plug it back, but then Odin says the PIT file is corrupted. I tried to restart my device, but still not connecting to Odin...
I tried getting into TWRP with my device connected to my computer. Still the same problem of rebooting while TWRP is booting (while it's on splash page).
No combo key seems to work to keep TWRP open and loading...
Didn't find anything on TWRP github and I'm not saavy enough to look into TWRP code.
So, I'm still stuck with my initial problem. Do any of ou have some advices/suggestions or can help me with my problem please? At this point, I've been without my tablet for more than a month and it S**KS!!
Thanks in advance everyone,
Blaccko said:
Hi,
So not much development here...
I tried to download the stock ROM for my device from Sammobile and tried flashing it with Odin (JOdin actually, I'm on Mac), but it says it need a PIT file. I let Casual fin the PIT file and it finds it. Only, after that my device does not reconnect to Odin even though it's still plugged in my computer. I tried to unplug it then plug it back, but then Odin says the PIT file is corrupted. I tried to restart my device, but still not connecting to Odin...
I tried getting into TWRP with my device connected to my computer. Still the same problem of rebooting while TWRP is booting (while it's on splash page).
No combo key seems to work to keep TWRP open and loading...
Didn't find anything on TWRP github and I'm not saavy enough to look into TWRP code.
So, I'm still stuck with my initial problem. Do any of ou have some advices/suggestions or can help me with my problem please? At this point, I've been without my tablet for more than a month and it S**KS!!
Thanks in advance everyone,
Click to expand...
Click to collapse
Use ODIN via Windows or a VM on your Mac.
Flash stock firmware then boot to recovery and factory reset.
Reboot and wait ten minutes.
Hi, thanks a lot for your time.
I will try that at work tomorrow as I don't have Windows at home. However, I did try to flash stock ROM with Windows initially (see first post for more info) and it didn't solve my problem. I wasn't able to access recovery mode after the stock ROM was flashed. Hope it's gonna work now and I'll be able to factory reset.
I'll let you know tomorrow afternoon.
Thanks,
ashyx said:
Use ODIN via Windows or a VM on your Mac.
Flash stock firmware then boot to recovery and factory reset.
Reboot and wait ten minutes.
Click to expand...
Click to collapse
WOW!!! Thank you so much Ashyx. I can now finally use my Tab S. I'm so grateful!!! Thousand time thank you! I deeply appreciate your help for resolving my problem.
ashyx said:
Use ODIN via Windows or a VM on your Mac.
Flash stock firmware then boot to recovery and factory reset.
Reboot and wait ten minutes.
Click to expand...
Click to collapse

Robin stuck on "Nextbit splash" screen and does not get recognized by PC

So my phone has been this way since Nov 2017, there are files that I need access to and would truly appreciate some guidance
I was experiencing issues with the bluetooth on nextbit previously so I installed a new rom after flashing the device. Once the rom also gave issues I decided to revert back to the Nextbit 7 OS and one fine day when the phone restarted it wouldnt go past the "nextbit" splash screen. Tried installing the OS again however the PC wouldnt recognize the phone anymore, switched laptop to a Mac and got the same issue
Any help would be greatly appreciated
It wont let me post a URL link. I have taken www out hopefully it allows to view the video, shows exactly whats wrong
youtube.com/watch?v=ImIk5CErWf0
It looks there's something wrong with the system boot, since it's reaching the blue boot-animation and it stays there (probably before loading the adb stuff). Fortunately u did unlock the bootloader and that annoying initial screen may be helpful this time, did u try to reach recovery or fastboot mode from there (pressing some volume key)? It's pretty hard for it to be broken there too and in such a case I would think about some hardware fault. Anyway from the recovery (I hope u have TWRP, if not install it with fastboot) you should be able to do whatever u want, including recovering your files or (re)installing a rom

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