Develop Bugs

Possibility of bricking & how to avoid it..

Is anyone manage to brick the phone already?
How likely/ or stupidity you need to actually bricking the phone?
What is a NO NO and how to avoid it?
That's the question.. thanks!

Main thing is read as much as you can before you do any changes, it helps to check what few sites say.
When I rooted my phone I could not get it to run the update part, tried time and time again, one site said "rename the file to update.zip and paste it" then I read on another site to just call it update as it is already a zip file.....and then it worked, small bit of detail like that stopped it working to start with so if I was you I check a few sites and get all the info you need, but also as many would say if you are that unsure dont take the risk and wait for samsung updates with Kies.

voodoochild2008 said:
if you are that unsure dont take the risk and wait for samsung updates with Kies.
Click to expand...
Click to collapse
Kies actually failed to update my phone, I have the Korean Galaxy S SHW-M100S, and it showed an update was available. So, I thought I was bricked for about 30 mins, kept trying to get it to work itself out of the problem in recovery mode, after about 4 tries (1 reboot of Windows, plus changing USB ports and 2nd try with this static new config) eventually it did, thank God.

Do not remove usb while in the middle of flashing with odin
Wanna know HOT TO BRICK YOUR PHONE? Right when ODIN start flashing, pull the battery on your phone and see what happens.
I can't even boot up!
****

amerikian said:
Wanna know HOT TO BRICK YOUR PHONE? Right when ODIN start flashing, pull the battery on your phone and see what happens.
I can't even boot up!
****
Click to expand...
Click to collapse
I was gonna say something along the lines of a smart ass, but I can't. That sucks.
why would you do a battery pull?

madjsp said:
I was gonna say something along the lines of a smart ass, but I can't. That sucks.
why would you do a battery pull?
Click to expand...
Click to collapse
I've been flashing all night and wanted to do it "right" this time....realized my SIM and SD card were still in there mid-flash so wanted to pull them and start clean..........................
Yeah....don't do that.
Guess I'll be that "guy" paying a visit to the local AT&T shop tomorrow....
Luckily I'm w/in my 14 days since getting it....

delete. ......

amerikian said:
Wanna know HOT TO BRICK YOUR PHONE? Right when ODIN start flashing, pull the battery on your phone and see what happens.
I can't even boot up!
****
Click to expand...
Click to collapse
I've removed the cable half way and rebooted, and it was fine..
You simply remove the USB cable, battery again, put the battery in, and you'll be able to get to downloader mode.
The phone seems to have a component that ODIN doesn't touch that is read-only that handles download mode. Most hardware devices tend to have safeguards. I haven't confirmed this, but I've noticed the same applies to NAS devices (which tend to have a special redboot which uses tftp).
I have still yet to have seen any evidence of anyone permanently bricking their phone, but I've seen a few cases of "oops, got it working again".
Remember, Samsung are eager to reduce their support costs, and failsafe's are cheap and easy to add.

yes, the odin doesn't touch the 'bootloader' , or the small piece of code that enable the download mode, so there's no way you can brick the phone.
I have tried to repartition the phone while flashing firmware that has nothing except the csc data (i.e. no kernel, no factory rfs, etc) and the flash procedure went succesfully but in actual fact, my phone contains a new set of partitions that contain nothing except the small csc data.
and i still able to reflash, although I must make sure that the phone is totally shutdown (i.e. take out battery, let it stay for awhile before putting back)

andrewluecke said:
I've removed the cable half way and rebooted, and it was fine..
You simply remove the USB cable, battery again, put the battery in, and you'll be able to get to downloader mode.
The phone seems to have a component that ODIN doesn't touch that is read-only that handles download mode. Most hardware devices tend to have safeguards. I haven't confirmed this, but I've noticed the same applies to NAS devices (which tend to have a special redboot which uses tftp).
I have still yet to have seen any evidence of anyone permanently bricking their phone, but I've seen a few cases of "oops, got it working again".
Remember, Samsung are eager to reduce their support costs, and failsafe's are cheap and easy to add.
Click to expand...
Click to collapse
I thought in the Big FAQ, it said... do not disconnect the usb-cable but to remove the battery if want to interrupt it...
7.The phone will be flashed and once it’s finished, it will boot up. (Do NOT disconnect the usb-cable, remove the battery or otherwise interrupt this process!)

amerikian said:
Wanna know HOT TO BRICK YOUR PHONE? Right when ODIN start flashing, pull the battery on your phone and see what happens.
I can't even boot up!
****
Click to expand...
Click to collapse
Similar happened to me,although I didnt pull the battery, the phone just disconnected halfway through the flash.
Had half hour of panic,where I thought it was bricked.
Had to do a few battery pulls,restart PC a couple of times and mess around with different USB ports,but finally got it working.
Have flashed a 3 times since without a problem.

chluk2425 said:
I thought in the Big FAQ, it said... do not disconnect the usb-cable but to remove the battery if want to interrupt it...
7.The phone will be flashed and once it’s finished, it will boot up. (Do NOT disconnect the usb-cable, remove the battery or otherwise interrupt this process!)
Click to expand...
Click to collapse
That means you shouldn't do any of those things! So don't disconnect usb, don't remove the battery and don't interrupt the process.

zenkinz said:
yes, the odin doesn't touch the 'bootloader' , or the small piece of code that enable the download mode, so there's no way you can brick the phone.
I have tried to repartition the phone while flashing firmware that has nothing except the csc data (i.e. no kernel, no factory rfs, etc) and the flash procedure went succesfully but in actual fact, my phone contains a new set of partitions that contain nothing except the small csc data.
and i still able to reflash, although I must make sure that the phone is totally shutdown (i.e. take out battery, let it stay for awhile before putting back)
Click to expand...
Click to collapse
Are you sure that flashing (through ODIN) in any case never touch that "Download Mode" piece of code ? Even you select all the options in ODIN ?
Can anyone confirm this ? Actually I want to play with Kernel and RFS (have some ideas to try) but afraid of full bricking. So if this download mode is always present then I can play with it without any problem.
Waiting for response.

amerikian said:
I've been flashing all night and wanted to do it "right" this time....realized my SIM and SD card were still in there mid-flash so wanted to pull them and start clean..........................
Yeah....don't do that.
Guess I'll be that "guy" paying a visit to the local AT&T shop tomorrow....
Luckily I'm w/in my 14 days since getting it....
Click to expand...
Click to collapse
Believe me! you can still access the download menu

The bootloader is almost always writeprotected and cannot be overwritten. You would probably have to connect a cable to some internal port like Jtag to be able to reflash the bootloader section. Atleast that is the case in 99% of all bootloaders. Im very certain that you cannot cripple the bootloader.
Sent from my GT-I9000 using XDA App

jackiechan8 said:
That means you shouldn't do any of those things! So don't disconnect usb, don't remove the battery and don't interrupt the process.
Click to expand...
Click to collapse
gosh man, thanks correcting me but if that's the case, what should i do if it doesn't reboot by itself?

take out the battery, wait for 30 to 60 secs, put the battery in and start phone with vol down + menu + power

Don't disconnect the usb or do anything else while flashing!!!
I removed the usb cable when it started flashing (i thinked it was stuck, happens sometimes), and since it does not boot anymore. I press the power button, volUp + home + power, volDown + home + power... nothing happens.... it's dead, doesn't turn on at all...

after all i have read i think it's almost impossible to brick the sgs since you always get back into download-mode. the only case i read where i believe that it's a goner is flashing with the wrong (in this case the at&t) odin version. those guy's just got a white sreen with at&t logo at boot. they didn't get into download mode any more because the button mapping on the captivate is different ... so thats really bad luck, dont't try that at home

jodue said:
after all i have read i think it's almost impossible to brick the sgs since you always get back into download-mode. the only case i read where i believe that it's a goner is flashing with the wrong (in this case the at&t) odin version. those guy's just got a white sreen with at&t logo at boot. they didn't get into download mode any more because the button mapping on the captivate is different ... so thats really bad luck, dont't try that at home
Click to expand...
Click to collapse
well, mine doesn't boot at all, and i flashed (technically not, because i removed the usb cable at the very start) with the RIGHT odin version
Maybe if it fails when flashig sbl (secondary boot loader ) you can't go into download/recovery mode...

Stuck on Samsung screen

I saw a couple people had the same issue that im now having but none of there solutions solved my problem
i wiped my GS3 for ATT tried to go back to a stock with root rom and when it rebooted it now just hangs at the samsung logo at boot tried re-flashing via odin with no luck also tried flashing a CWM.tar since i cant get into stock or CWM recovery to flash from there is there something im missing i know its late and maybe my brain isnt working like it should

Solved the problem myself.....and rather then just say i figured it out ill share how i did this since i watched countless videos and read endless amounts of threads and since none of them helped mem
First also try t put your phone into stock recovery mode and wipe your phone then flash this should take care of things if it doesnt try what i tried below
and i hope this can help someone else out there who has the same problem that i had all you have to do is the following i did this with obviously an AT&T model should work with others but as always try at your own risk.....
First make sure your battery has a charge even if its stuck on the boot screen its still charging....
then download KIES from samsung update it and make sure you have the latest version.
Next plug in your phone if your stuck at the samsung screen your computer will recognize your phone still at least it did with mine.
Once your done with the above open up KIES goto the top and then TOOLS and Firmware upgrade click on that enter your phone model (ATT SGH-I747) i dont get this part but next it will ask you for your SN and for some reason it doesnt recognize the SN use your IMEI
Now it should ask you a couple questions tell you its wiping your device and you will lose everything etc.....but then it will download the latest FW and begin to install everything and in about 20-25 mins everything will be back to stock

Nvm.. misread.

I'm stuck too...and Kies can't find the phone. Anyone have any other ideas? I can't even get into recovery...only download mode.

dbdynsty25 said:
I'm stuck too...and Kies can't find the phone. Anyone have any other ideas? I can't even get into recovery...only download mode.
Click to expand...
Click to collapse
your computer is not seeing your phone when you plug it in or its just KIES that doesnt see it??
also im guessing you have all the correct drivers installed??

yearziro said:
your computer is not seeing your phone when you plug it in or its just KIES that doesnt see it??
also im guessing you have all the correct drivers installed??
Click to expand...
Click to collapse
Yes, all drivers are installed because that's how I ODIN flashed it in the first place! Just stuck on the damn Samsung screen and I can't get Kies to connect to the phone. Not in Download Mode or when it's just stuck on that screen.

you can just hold VOL UP, HOME , POWER same time enter stock samsung recovery mode and scroll down select wipe data and cache and reboot u should good to go....

whit3gh0szt said:
you can just hold VOL UP, HOME , POWER same time enter stock samsung recovery mode and scroll down select wipe data and cache and reboot u should good to go....
Click to expand...
Click to collapse
Worked, thanks! I appreciate it.

it doesnt work on mine
dbdynsty25 said:
Worked, thanks! I appreciate it.
Click to expand...
Click to collapse
my cellphone reboots by itself on the samsun screen and i cant get on the recovery mode! any ideas!"

me neither
mkstf said:
my cellphone reboots by itself on the samsun screen and i cant get on the recovery mode! any ideas!"
Click to expand...
Click to collapse
Yeah I can't get into recovery either, and its getting really annoying.

indieslap said:
Yeah I can't get into recovery either, and its getting really annoying.
Click to expand...
Click to collapse
With the phone off, hold down VOL UP + HOME + POWER until the phone vibrates. Then let go of the power button. When you see the blue text in the top left corner of the samsung boot screen, let go of the other 2 buttons

xBeerdroiDx said:
With the phone off, hold down VOL UP + HOME + POWER until the phone vibrates. Then let go of the power button. When you see the blue text in the top left corner of the samsung boot screen, let go of the other 2 buttons
Click to expand...
Click to collapse
Okay, this brought the menu up for me, but I removed the data,cache, and reset the phone and it is still not working. Also, my phone just goes black after the Galaxy Samsung S3 logo, but the blue light in the top left is still on. Can anyone help me out?
P.S. Sorry for reviving this thread if it is too old.
Edit: I should also mention that I can still hear the sound of the phone booting up (the sound that typically occurs when the phone is on the white loading screen). However, the screen is black at this point.

cabato said:
Okay, this brought the menu up for me, but I removed the data,cache, and reset the phone and it is still not working. Also, my phone just goes black after the Galaxy Samsung S3 logo, but the blue light in the top left is still on. Can anyone help me out?
P.S. Sorry for reviving this thread if it is too old.
Edit: I should also mention that I can still hear the sound of the phone booting up (the sound that typically occurs when the phone is on the white loading screen). However, the screen is black at this point.
Click to expand...
Click to collapse
You're going to have to tell us what you did (changed, flashed, etc) before all this so that we can help you

xBeerdroiDx said:
You're going to have to tell us what you did (changed, flashed, etc) before all this so that we can help you
Click to expand...
Click to collapse
Ah, sorry about not providing enough information. Please keep in mind that I am very inexperienced and I may get some things incorrect just due to that. To my understanding, I went to try and root my phone, but beforehand I used the guides below to get my phone ready for the root (yes I do realize at this point that using these outdated guides was a clear mistake and I should have come to XDA instead). I flashed my phone to the stock kernel using the file that site provided, and then encountered the problem above. In my panic I have tried to restore the phone through several methods, but every time I try to load anything onto it with Odin, it doesn't complete until my phone restarts (and my phone won't boot up completely) so I can't get the pass message. Interestingly enough I did manage to get clockwork mod installed as that is what shows up when I try a secure boot using the methods that you described.
Ah, I am unfortunately not allowed to post links. The guides were off of Android Authority.
If there is any other information needed to help me please let me know and I will do my best to obtain it.

cabato said:
Ah, sorry about not providing enough information. Please keep in mind that I am very inexperienced and I may get some things incorrect just due to that. To my understanding, I went to try and root my phone, but beforehand I used the guides below to get my phone ready for the root (yes I do realize at this point that using these outdated guides was a clear mistake and I should have come to XDA instead). I flashed my phone to the stock kernel using the file that site provided, and then encountered the problem above. In my panic I have tried to restore the phone through several methods, but every time I try to load anything onto it with Odin, it doesn't complete until my phone restarts (and my phone won't boot up completely) so I can't get the pass message. Interestingly enough I did manage to get clockwork mod installed as that is what shows up when I try a secure boot using the methods that you described.
Ah, I am unfortunately not allowed to post links. The guides were off of Android Authority.
If there is any other information needed to help me please let me know and I will do my best to obtain it.
Click to expand...
Click to collapse
Sounds like you need to clear your cache partition and clear your dalvik cache. There are several guides on this site to help you. Choose the one that is most appropriate to what you are trying to do and follow it EXACTLY. There is one to start. Follow it from the beginning.
http://forum.xda-developers.com/showthread.php?t=2042775

When nothing else works start over from search. You cab use download mode? First make sure you got right drivers as that can mess up Odin. Use one in my Sig if you want. Then flag stock recovery with root someone nice will part a link to it I'm on my phone can't do it. Well fix your phone
Sent from my SGH-I747 using xda premium

allow rldcess
Okay now I am running into another problem. I have tried downloading the drivers from many different places and they always seem to be correctly downloaded. That being said, I can't install the drivers after I plug my phone into the computer (after downloading and installing Samsung USB drivers). Therefore, I cannot access my phone storage to put the root zip file on it. I was still able to download the custom recovery.
Now I have gone to a different computer, and the drivers seem to install correctly, but the phone still does not appear under my computer.
Edit: I do already have a root zip file on my phone from my earlier attempt, but I install it and my phone still doesn't load up. Also, Odin still recognizes the phone.
Edit 2: Windows says that the drivers cannot recognize the device. Edit 3: "Hardware ID Missing"

Bump
Sorry, I really need help for this. I can't install the MTP drivers even through using some of the tips on this site. That seems to be the problem with me accessing the phones storage from my computer. Does anyone have an ideas for what else I could do? Should I just take it to the store and hope they can fix it?

cabato said:
Okay now I am running into another problem. I have tried downloading the drivers from many different places and they always seem to be correctly downloaded. That being said, I can't install the drivers after I plug my phone into the computer (after downloading and installing Samsung USB drivers). Therefore, I cannot access my phone storage to put the root zip file on it. I was still able to download the custom recovery.
Now I have gone to a different computer, and the drivers seem to install correctly, but the phone still does not appear under my computer.
Edit: I do already have a root zip file on my phone from my earlier attempt, but I install it and my phone still doesn't load up. Also, Odin still recognizes the phone.
Edit 2: Windows says that the drivers cannot recognize the device. Edit 3: "Hardware ID Missing"
Click to expand...
Click to collapse
go to your device manager on your computer, locate samsung drivers for your device, uninstall them
restart your computer
then plug in the phone and lets it reinstall by itself

Use my drivers in my signature
They are last good damaging drivers. Don't update them but install them and plug phone in with no internet. after install plug internet in. There good stable drivers
Sent from my SAMSUNG-SGH-I747 using xda premium

[Q] :( HEEEEEELP! STUCK AT LG LOGO WHEN I TRY TO BOOT! But wait, there's more......

I have spent the last 3 days searching XDA & trying every possible fix, no luck!
Here's my dilemma.....
I have custom recovery, TWRP 2.6.3.3, don't know what I did after trying to flash something........ I wiped everything except SDcard by accident. Like a darn fool, forgot after backing up everything via computer, to put a spares on my SDcard. Sooooo, I tried restoring by using LG FlashTool..... Here's where my problems began:
1. I can't load into download mode, it sticks at the logo to enter download mode but doesn't connect.
2. I tried ADB Sideload, sticks at "STARTING ADB SIDELOAD FEATURE.........."
3. No matter what mode (including Fastboot) I try, just won't connect to my computer the way I need it to. (*ALL DRIVERS HAVE BEEN REINSTALLED NUMEROUS TIMES, STILL NO LUCK.*) When I look in DEVICE MANAGER, it shows in "OTHER DEVICES" as "LG-LS980" (*Which is a good thing right? *)
At this point i'm at my wits end...... I tried to HARD FACTORY RESET, but didn't go thru. I'm afraid that if I tried it again, I could cause even more damage.
I've been without my phone for days & I'm about to go crazy if I have to pay LG or Sprint again for another phone!!!! I'd rather use my $600 on something else.
PLEASE TELL ME SOMEONE HAS FOUND A WAY TO GET AROUND THIS!
I've searched just about every forum & tried different methods.

Forgot to add that every time I power off from recovery, I get a the message about my device not being rooted, would I like to install..... When I swipe to install, nothing happens. Just powers off.

MsOhSoPhresh said:
I have spent the last 3 days searching XDA & trying every possible fix, no luck!
Here's my dilemma.....
I have custom recovery, TWRP 2.6.3.3, don't know what I did after trying to flash something........ I wiped everything except SDcard by accident. Like a darn fool, forgot after backing up everything via computer, to put a spares on my SDcard. Sooooo, I tried restoring by using LG FlashTool..... Here's where my problems began:
1. I can't load into download mode, it sticks at the logo to enter download mode but doesn't connect.
2. I tried ADB Sideload, sticks at "STARTING ADB SIDELOAD FEATURE.........."
3. No matter what mode (including Fastboot) I try, just won't connect to my computer the way I need it to. (*ALL DRIVERS HAVE BEEN REINSTALLED NUMEROUS TIMES, STILL NO LUCK.*) When I look in DEVICE MANAGER, it shows in "OTHER DEVICES" as "LG-LS980" (*Which is a good thing right? *)
At this point i'm at my wits end...... I tried to HARD FACTORY RESET, but didn't go thru. I'm afraid that if I tried it again, I could cause even more damage.
I've been without my phone for days & I'm about to go crazy if I have to pay LG or Sprint again for another phone!!!! I'd rather use my $600 on something else.
PLEASE TELL ME SOMEONE HAS FOUND A WAY TO GET AROUND THIS!
I've searched just about every forum & tried different methods.
Click to expand...
Click to collapse
So try this...
Push the power button to turn the device on. Let it sit.
After you know that the g2 is on and trying to do its think, Press and hold power buttton, do not let go. It will force turn off the phone, but it will start to turn back on, if you keep holding the power button till it shuts off for the second time, you'll be set and the device will be fully off.
Have Lg Flash Tool open, make sure you have manual mode on and you point to the right dll and right tot file, could be zv7 zv8 or zva.
Click the arrow to have the flash tool biin check the files. when that is ready, do this next part fast. Plug in your phone, and immeditaly press and hold Volume up and Power. Download mode should appear.
and you should be good from there! If you try to enter download mode by using volume and up without the cable plug in, you'll hit the factory reset menu which is tied to the recovery, it'll do nothing, only take you to recovery. I hope this is of some help!

Edit:try new boot loader or system flasher via twrp
proplem i faced is one button which used to enter recovery is damged
Flash stock Ignoring the unmonted ianot able to be mounted then change system partitions u will be able to mount
Enjoy

bmxerkid954 said:
So try this...
Push the power button to turn the device on. Let it sit.
After you know that the g2 is on and trying to do its think, Press and hold power buttton, do not let go. It will force turn off the phone, but it will start to turn back on, if you keep holding the power button till it shuts off for the second time, you'll be set and the device will be fully off.
Have Lg Flash Tool open, make sure you have manual mode on and you point to the right dll and right tot file, could be zv7 zv8 or zva.
Click the arrow to have the flash tool biin check the files. when that is ready, do this next part fast. Plug in your phone, and immeditaly press and hold Volume up and Power. Download mode should appear.
and you should be good from there! If you try to enter download mode by using volume and up without the cable plug in, you'll hit the factory reset menu which is tied to the recovery, it'll do nothing, only take you to recovery. I hope this is of some help!
Click to expand...
Click to collapse
This isn't working. I've tried this numerous times..... No luck.

myaservip said:
Edit:try new boot loader or system flasher via twrp
proplem i faced is one button which used to enter recovery is damged
Flash stock Ignoring the unmonted ianot able to be mounted then change system partitions u will be able to mount
Enjoy
Click to expand...
Click to collapse
I'm now completely lost.....

Ok... So i made a little progress....
I am now able to boot into fastboot mode.... No recovery now tho. If someone can help me with manually pushing everything I need to restore my phone, it would make my day!
I'm having withdrawal symptoms now. LOL! I MISS MY PHONE!

Problem solved!
Flashed all the partitions 1by1 via fastboot, was able to then reboot into download mode. Now using LG FlashTool to return to stock! I am now a very happy camper after a week w/o my phone!

MsOhSoPhresh said:
This isn't working. I've tried this numerous times..... No luck.
Click to expand...
Click to collapse
MsOhSoPhresh said:
I am now able to boot into fastboot mode.... No recovery now tho. If someone can help me with manually pushing everything I need to restore my phone, it would make my day!
I'm having withdrawal symptoms now. LOL! I MISS MY PHONE!
Click to expand...
Click to collapse
MsOhSoPhresh said:
Flashed all the partitions 1by1 via fastboot, was able to then reboot into download mode. Now using LG FlashTool to return to stock! I am now a very happy camper after a week w/o my phone!
Click to expand...
Click to collapse
Glad to see you've fixed your problem! I myself haven't been around, had some down time to. My sim reader magically stopped working and then randomly started working days later. Anyway, congrats!!!

MsOhSoPhresh said:
Flashed all the partitions 1by1 via fastboot, was able to then reboot into download mode. Now using LG FlashTool to return to stock! I am now a very happy camper after a week w/o my phone!
Click to expand...
Click to collapse
Glad you figured it out. I was about to basically explain the steps to do exactly what you did.
Welcome back to the land of the living!

agentfusion said:
Glad you figured it out. I was about to basically explain the steps to do exactly what you did.
Welcome back to the land of the living!
Click to expand...
Click to collapse
After she got it the first time, which we both congratulated her for, something went completely wrong. She dug herself even deeper, but broke download mode. That was extremely fun to fix.

[Q] flashed tmo on att d850 HELP!

I just flashed a rom on my d850 and now the screen wont turn on the phone is completely unresponsive I don't know what to do I can't even get the phone to boot some one help me im sure I just bricked the phone..

sriv2102 said:
I just flashed a rom on my d850 and now the screen wont turn on the phone is completely unresponsive I don't know what to do I can't even get the phone to boot some one help me im sure I just bricked the phone..
Click to expand...
Click to collapse
First, what rom did you flash and how did you flash it?
Try this as well:
Pull the battery, press the power button for a few seconds. Put the battery back in and press the power button again. Pop the battery out a 2nd time and then put it back in. See if it turns on.
If that doesn't work, pull the battery and hook the phone up (without the battery) to a computer and again see if it turns on and shows up in device manager.
Flashing the wrong rom should only result in a non-booting situation. If you have a custom recovery installed, you should be able to still get into that. The d850 has some serious issues with successfully rebooting in general (which can be resolved by the two suggested procedures above), so I would suspect that before worrying about a brick.
Lastly, the d850 requires bumped ROMs to get by the locked bootloader. The d851 (T-Mobile version) does not have a locked bootloader, so the roms are not bumped and will of course fail to boot.
Once you get back into recovery, just wipe all partitions except for internal storage/sd card and install a correct rom.

nicknc said:
First, what rom did you flash and how did you flash it?
Try this as well:
Pull the battery, press the power button for a few seconds. Put the battery back in and press the power button again. Pop the battery out a 2nd time and then put it back in. See if it turns on.
If that doesn't work, pull the battery and hook the phone up (without the battery) to a computer and again see if it turns on and shows up in device manager.
Flashing the wrong rom should only result in a non-booting situation. If you have a custom recovery installed, you should be able to still get into that. The d850 has some serious issues with successfully rebooting in general (which can be resolved by the two suggested procedures above), so I would suspect that before worrying about a brick.
Lastly, the d850 requires bumped ROMs to get by the locked bootloader. The d851 (T-Mobile version) does not have a locked bootloader, so the roms are not bumped and will of course fail to boot.
Once you get back into recovery, just wipe all partitions except for internal storage/sd card and install a correct rom.
Click to expand...
Click to collapse
hey so i flashed the new port of the g4 on my phone and i believe i bricked the device i am not able to reach my recovery the method you mentioned did not work but plugging the phone in with out the battery did get the screen on. I'm not sure what else to do at this point I do greatly appreciate your help dude!..

sriv2102 said:
hey so i flashed the new port of the g4 on my phone and i believe i bricked the device i am not able to reach my recovery the method you mentioned did not work but plugging the phone in with out the battery did get the screen on. I'm not sure what else to do at this point I do greatly appreciate your help dude!..
Click to expand...
Click to collapse
When you say you got the phone on, what do you mean?
If it is on and showing up as a phone in Windows, why not just use the LG recovery tool and flash back to stock, then start over?

nicknc said:
When you say you got the phone on, what do you mean?
If it is on and showing up as a phone in Windows, why not just use the LG recovery tool and flash back to stock, then start over?
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it jus shows that the battery is missing nothing else as soon as i replace the battery the screen stays black im not able to boot into download or recovery

sriv2102 said:
it jus shows that the battery is missing nothing else as soon as i replace the battery the screen stays black im not able to boot into download or recovery
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Does it show up in windows at all?

it does under device manager i can find it .

nicknc said:
Does it show up in windows at all?
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it does show up in windows and i have the drivers installed still.

sriv2102 said:
it does show up in windows and i have the drivers installed still.
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Give the lg firmware flash and recovery tools a go then. There are several threads on here dealing with unbricking phones that detail what you need to do.

nicknc said:
Give the lg firmware flash and recovery tools a go then. There are several threads on here dealing with unbricking phones that detail what you need to do.
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I did use the lg flash tool but it was not successful im not sure what else to try..

sriv2102 said:
I did use the lg flash tool but it was not successful im not sure what else to try..
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Did you solved it? I have the same problem, the screen only turns on when i charge the phone

(FIXED) Samsung Galaxy Tab S 8.4 will not fully boot up.

I've had my Samsung Galaxy Tab S 8.4 (SM-T705Y) for just over two years now and it has worked brilliantly beside the odd issue here and there, including the device freezing from time-to-time. Each time that particular freezing issue has happened, I've used the 'Power and Volume Down buttons' technique and it has successfully fixed the issue.
Now, a few days ago, I was using my tablet for normal morning things; music app playing in the background, YouTube opened on the side, using the preinstalled Browser and Google Chrome apps, etc. I am not sure if it was updating any Google or Samsung apps at the time. The screen froze up so I left it for a few minutes, seeing if it would unfreeze. When it didn't, I used the same Power and Volume Down technique, which successfully forced-restarted the tablet. There was a small mistake I made doing this; I was holding down both the Power button and Volume Up button. It took me around thirty seconds to realise why the screen wasn't turning off and switched to the Volume Down button. At the time, both my earphones and the charging cord were connected.
However, upon the loading screen, I noticed that it did not pass the Samsung logo screen with the little explosion of blue circles and just kept replaying the same animation repeatedly. The Application History and Back buttons did not light up and the device did not vibrate as it normally does when it boots up. I repeated the Power-Volume Down technique to see if that would fix the issue. Once again, the tablet rebooted normally but was stuck at the logo screen playing the animation. I tried this same force-restart again, this time without the charger plugged in. No change.
So, I left it running through the animation while doing Google searches through forums and getting into contact with Samsung as to what the issue could be. I'll list down below what my tablet can and can't do at the moment and hopefully someone will have a clue as to what is going on and how to fix it. I will point out now that it was not going through a firmware update at the time, the device is not rooted and nor do I plan on taking that path with it, and I have not made any changes to it that can void the warranty.
It can:
- Recharge (The battery icon will show up if it is force-restarted and the charger is plugged in at the time.)
- Reboot (It's not exactly stuck in a bootloop, more of just the 'explosion' animation replaying over-and-over.)
- Enter Recovery Mode
It cannot:
- Enter Safe Mode
- Be Shut Down without the charger attached (As stated above, the device will only turn off with the Power-Volume Down buttons held for about 30 seconds and that causes the device to restart, not turn off. The only way for it to completely shut down is to have the charger connected and then unplug it after the battery icon appears.)
I have tried removing the SD card and placing it back in, power-cycling it, letting it run on the animation until the battery runs out and then letting it recharge to 100% before turning it on again, connecting it to Samsung Smart Switch (which recognises that there is a Samsung device connected, but not being able to register the device itself), and wiping the Partition Cache (Also note; the Recovery Mode has the 'No Command' sign with the android laying down and the red triangle with the exclamation point above it. Clearing the Partition Cache seemed to go smoothly, however when I chose the 'reboot device now' option, the 'No Command' sign changed to 'Error!' and rebooted the device anyway.) I am now currently trying another technique written on a different website (though since I am a new user, I cannot post up URLs at the moment). So far, plugging in the earphones alone hasn't worked and the device is currently connected to my laptop - which is shut off - and still has the earphones connected, but the animation is the only thing the screen is still showing.
I have important files saved in the internal storage of my Tab S and I do not have them backed up, which is the only issue that's stopping me from just going ahead and doing a Factory Reset as I cannot lose these files.
I am unsure if my Tab S is soft-bricked or if this is another issue entirely and I just missed something that could have already fixed it.
Yes, this is a long and detailed post, but hopefully with these details, someone will be able to help with this issue. If I can restore my Tab S to its condition before the freeze, that would be amazing, but I can definitely settle with only being able to salvage my files from the internal storage and then performing a Factory Reset on it.
Thank you in advance~

It might be a corrupt partition. The way i know involve rooting or the other one might format your device to factory setting.

edan1979 said:
It might be a corrupt partition. The way i know involve rooting or the other one might format your device to factory setting.
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Really? I might look into that a bit more, thanks! With the second method you mentioned, how likely are the chances of it formatting the device to the factory settings?

AussieMouse said:
Really? I might look into that a bit more, thanks! With the second method you mentioned, how likely are the chances of it formatting the device to the factory settings?
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download the official firmware and flash it via odin. it usually fix this type of problem. but usually the files on the internal storage/sdcard will be intact. only the data apps will be gone. this will not break your warranty (its already 2 yo device... no more warranty anyway ^_^)

edan1979 said:
download the official firmware and flash it via odin. it usually fix this type of problem. but usually the files on the internal storage/sdcard will be intact. only the data apps will be gone. this will not break your warranty (its already 2 yo device... no more warranty anyway ^_^)
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Alright, I'll try that and let you know how it goes. Is there any specific website I should download the firmware (4.4.2 KitKat) from? (Yeah, I agree with you there! Still, just to be on the safe side~)

KIT KAT? ok that's old... hahaha... why dont you try MM. I think you can search for it at fw.updato.com probably can see all related firmware there.

edan1979 said:
KIT KAT? ok that's old... hahaha... why dont you try MM. I think you can search for it at fw.updato.com probably can see all related firmware there.
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Haha Yeah, I'm not too fond of installing software updates due to past experiences~ I'll have a look around.

AussieMouse said:
Haha Yeah, I'm not too fond of installing software updates due to past experiences~ I'll have a look around.
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MM is ok. I dont have any problem with it.

edan1979 said:
MM is ok. I dont have any problem with it.
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Thank you so much for your help! I managed to find the KitKat 4.4.2 firmware on SamMobile and flashing it restored everything~