Phone wont boot. Sits at samsung logo - Galaxy S 5 Q&A, Help & Troubleshooting

I have a samsung Galaxy s5 active or sm-g870a. After trying to update my phone it wont boot. just sits at the samsung logo. I have tried everything i have found on this website but none of them have worked. When i boot into recovery it says no command then just brings up the recovery menu. It is LRX21T.G870AUC1BOC5. I have run out of options and dont know what to d. If anyone could help that would be greatly appreciated. If more info is needed please let me know.

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Cannot boot phone Help!

well i honestly don't know what i did. i tried to install an update on my phone and now when i turn on the phone the Samsung logo goes crazy and then the screen shows a bunch of pixels.
i tried to boot into recovery, fail.
into download mode, fail.
i dont know what to do if i cant fix it im going to chuck it out the window
its a samsung stratosphere (SCH-i405) any help would greatly be appreciated

[Q] My i9505 stuck logo" samsung galaxy S4..."

hi, today, My i9505 stuck logo" samsung galaxy S4...".
I tried to start a firmware from the Odin app
When I restart my devices can't start, on display "samsung galaxy s4 GT-i9505"
I tried to do the process from rooting the phone, with odin without any luck.
I cant boot into recovery volume up + home + power. It only comes a red pirate android. And it reboots to the Samsunng logo again?
Is there any hope for me?
Please help
Terje
Hi Terje
I had almost the same issue since yesterday with my Gt-i9505, with the only exception that recovery mode was still accessable. But everytime i tried to restore a prevoius backup i was stuck again in the logo screen.
Sadly I can't provide you with a link directly since i don't have enough posts. But try to google "droidview unbrick galaxy S4"
My galaxy is finally working again. It is an easy and well written tutorial, so I hope it will help you too.
Good luck!
you don't have to go to recovery, but into download mode and try to reflash with Odin. One thing to be careful: you need to make sure that Odin recognizes the phone...
terjthor said:
hi, today, My i9505 stuck logo" samsung galaxy S4...".
I tried to start a firmware from the Odin app
When I restart my devices can't start, on display "samsung galaxy s4 GT-i9505"
I tried to do the process from rooting the phone, with odin without any luck.
I cant boot into recovery volume up + home + power. It only comes a red pirate android. And it reboots to the Samsunng logo again?
Is there any hope for me?
Please help
Terje
Click to expand...
Click to collapse
flash a recovery TWRP
wipe /data /system /cache /dalvik
then flash a fresh/latest firmware through odin and remove mem card and sim card re-insert
hope it works

No recovery menu on samsung galaxy a5

After doing firmware update to root the model SMA5000H my phone is showing problem. It shows >>>>> program stopped working etc etc for all system as well as installed programs. Then phone cant boot or give me only errors.
while trying to access recovery menu, it only shows blank black screen after samsung logo. but download mode is showing properly.
Samsung kies failedto send firmware to phone..
What shall i do?

My phone won't boot into recovery mode or download mode SM-G935F

Hi i'm currently stuck with a problem. This problem started i entered download mode and got a prompt saying "Installing a custom OS can cause harm to this device, do you want to install a custom OS?" I clicked on no and now my phone just keeps going to the Samsung Galaxy S7 Edge, powered by android screen. I have tried many solutions but none of them work. I have tried booting into recovery mode but nothing happens, when I try to boot into download mode it just goes back to the splash screen. Please Help! :crying:
Jhalen said:
Hi i'm currently stuck with a problem. This problem started i entered download mode and got a prompt saying "Installing a custom OS can cause harm to this device, do you want to install a custom OS?" I clicked on no and now my phone just keeps going to the Samsung Galaxy S7 Edge, powered by android screen. I have tried many solutions but none of them work. I have tried booting into recovery mode but nothing happens, when I try to boot into download mode it just goes back to the splash screen. Please Help! :crying:
Click to expand...
Click to collapse
You want to press VOLUME UP, power and home buttons. Hold until you see Samsung then release. You are booting up in download mode by mistake.

Bricked my Galaxy Tab E (sm-560nu)

Tried to root my Galaxy Tab E. Unfortunately, it crashed. Now, all I can get to is download mode.
Can't get to my settings to allow anything. Also found out that Odin isn't compatible with it.
So, how can I do anything to get it working again? It WILL reboot, but it just goes into a boot loop. Other than that, I can reboot into download mode, but that's it.
Any help would be greatly appreciated!

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