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[Q] RIP to my Sidekick

So today, as i was on my way to work I accidentally held down the lockscreen button and the power menu popped up (I was on Glorious Overdoes V2) in the middle of a text and i pressed reboot accidentally... My phone never rebooted... It was stuck on the black Sidekick 4G/T-Mobile screen and then it would go black, then once again that screen would pop up... I removed the battery and put it back in, and without me pressing any buttons the same screen came back up... I let it sit for a while and after 20minutes nothing changed except the phone got really hot. Luckily I had my OLD Nokia in my car and popped my SIM card in it so that i could continue having a phone. I let The Sidekick sit for 4hours and it was extremely hot and then eventually it just turned off completely (Im assuming the battery drained, it was at 90% 4 hours before.) I got home, plugged it in and it wouldn't even turn on the charging screen. Somebody told me that my Motherboard is fried but I don't know. I called T-mobile and they're going to send me a new phone since it's still in the 1-year warranty period.
Anyone know if they're going to be able to inspect my old device and find out if i rooted/flashed it? because i can't get into it or anything to ODIN

I feel like they will try putting a new battery in it, and if it still wont turn on you should be fine.

It got hot because the CPU was churning over something and couldn't enter a low power state. I bet you could coax the phone into download mode and reflash it.

what do you mean coax the phone into download mode? by using the button combo to get it into download mode when turning on? I've tried that and it doesn't work. I tried rebooting into recovery and that wont work either. Also, it wont charge the battery anymore...

I've always had a hard time getting into download mode, and my phone works fine. I just spent 5 minutes trying different combinations until I got it.
I've heard people say trackpad-power button, volume down-home-power button, volume up/down-put battery in-plug in USB, etc etc etc. But the only method that works for me is to put in the battery, plug in the USB, wait for the charging screen, then hold volume down-trackpad-power, releasing power as soon as the screen goes black
You say your phone is turning on as soon as the battery is inserted? What if you have it plugged into USB first?

I had the exact same problem, I sent it into samsung and they just replaced a part(never told me which one) and it was fixed. I did noticed that when the sccreen was poped open to show the keyboard, it would stop. But it's probably a loose cable like I've read before.
Sent from my SGH-T839 using Tapatalk

Worst case scenario if you can't figure it out here on XDA, you could always sell it on eBay for parts as defective.

[Q] Phone off, Tried to Turn on and just vibrates and stays off. Help!

The title says my problem. I am rooted, unlocked boot loader, rooted, and running AOKP Build 4 Jellybean. The phone was on at one point, and after the screen dimmed it wouldn't turn on. I did a battery pull and turned the phone back on and nothing happens. It vibrates, and the screen stays black. I have tried to boot it in download mode and recovery as well, but nothing has happened.
I desperately need this phone for tomorrow as i will be away from my house and I should be getting a call from a future employer thanks in advance everyone.

I think i can help you .. let me know if this work for you First pull out the battery and put it back in and second put the charger in and see if the charging battery icon comes up.

VZW Galaxy S6 won't turn on

Got a perculiar problem with the S6. The screen suddenly went black with just the blue LED blinking in the upper left hand corner of the sreen. I am assuming the phone went off completely as I cannot access it via the PC also. I have tried all possible button combinations for reset but no luck so far.
Anyone else experience this? Did you find a fix?
Sent from my SM-G920V using XDA Free mobile app

Well the phone is not off if the blue led light is blinking, I've never had it happen to me where the phone didn't come back though. I was using an app one day (YouTube I think) and the app crashed and bugged the phone out to where the screen went black but the led was blinking. I left the phone alone after several attempts of hitting home and power to get the screen to come back on and finally I think I plugged it into the charger and it kind of just fixed it self and has not happened again. This is the scary parts of not having a removable battery.
Sent From My Rooted Galaxy S6

I've got the 128GB and yes I have experienced this as well, twice! I hold down both volume buttons the home button and the power button at the same time, this will put you in maintenance mode. It'll take a couple of seconds holding those buttons but just keep them pressed. Be careful because when it does come on it comes on fast and factory reset is the second selection in that mode. The first time I did it I wiped my phone, the second time it happened I lifted my fingers fast enough not to make a selection. Give that a try and see what happens.

frostysax said:
I've got the 128GB and yes I have experienced this as well, twice! I hold down both volume buttons the home button and the power button at the same time, this will put you in maintenance mode. It'll take a couple of seconds holding those buttons but just keep them pressed. Be careful because when it does come on it comes on fast and factory reset is the second selection in that mode. The first time I did it I wiped my phone, the second time it happened I lifted my fingers fast enough not to make a selection. Give that a try and see what happens.
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Click to collapse
Thanks very much.

Hey guys, i really need someones help. Everything in my life runs on my phone. The phone is Samsung Galaxy Note 5. Its screen is black and there is a blue blinking light. I have tried to hold the volume down and power buttons but it didnt do anything. It doesn't respond even after plugging in.

chaudharysafi said:
Hey guys, i really need someones help. Everything in my life runs on my phone. The phone is Samsung Galaxy Note 5. Its screen is black and there is a blue blinking light. I have tried to hold the volume down and power buttons but it didnt do anything. It doesn't respond even after plugging in.
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Click to collapse
Sounds like you have the same problem as stated in OP. You could try doing what was recommended earlier in the thread. By the way, this is an inappropriate location to put your problem. Read the forum rules

Never rooted.
I am having the same issue. I have tried everything. Factory reset. Reboot/wiped cache and even trying to install verizon's Fireware again as it come only up to the Samsung S6 logo then goes blank. This is now my 4th replacement with Verizon and getting sick of it. How do I fix this? Odin stops at Get Pit mapping then when I do that says it can not install NAND. Using Odin 3.10.6 and 3.10.7. Tried mutli cables and restarted computer as well. This is driving me insane these phones keep doing this.

same problem except nothing comes on. no led, no reset, no computer recognition...

Same issue. Boots into and displays recovery fine and download mode. I can also bring up the safe mode menu ... just can't boot into the OS. Blue light on. I get a response in ADB when powered on, just can't enter any commands due to not being able to authorize access via phone screen.
Update:
Well as strange as it sounds, as soon as I plopped it down on the wireless charger for my S7 the screen came to life. It was at 95% battery prior to. Whatever gremlins got into the gizmos within the wireless charging apparatus seems to have caused this strange occurrence.

S7 Black Screen + Blue LED

Hi All,
I wonder if you may be able to help. This morning we discovered one of our S7 phones was a black screen with solid blue light. It seemed completely unresponsive to touch, wouldn't wake. etc. The home, volume and power buttons seemed to do nothing. I plugged the phone into the computer, it didn't pick up a USB device.
Phone is stock from EE in the UK. No custom anything. Model: SM-930F 32GB.
EE and Samsung couldn't suggest anything to help.
We tried Power + Volume Down - This results in one of the following;
A (A battery with the current fill %) this happens when plugged in
B (Samsung Galaxy S7 powered by android) loading screen which then cycles or returns to a black screen with solid blue LED
We also tried Power + Volume Down + Home button. This does load the Warning screen about using a custom OS.
We have next day replacement warranty on the phone, i don't need to fix this phone. We only want to try and recovered some data and photos
Any help appreciated.
Kind Regards.

Shannaramoon said:
Hi All,
I wonder if you may be able to help. This morning we discovered one of our S7 phones was a black screen with solid blue light. It seemed completely unresponsive to touch, wouldn't wake. etc. The home, volume and power buttons seemed to do nothing. I plugged the phone into the computer, it didn't pick up a USB device.
Phone is stock from EE in the UK. No custom anything. Model: SM-930F 32GB.
EE and Samsung couldn't suggest anything to help.
We tried Power + Volume Down - This results in one of the following;
A (A battery with the current fill %) this happens when plugged in
B (Samsung Galaxy S7 powered by android) loading screen which then cycles or returns to a black screen with solid blue LED
We also tried Power + Volume Down + Home button. This does load the Warning screen about using a custom OS.
We have next day replacement warranty on the phone, i don't need to fix this phone. We only want to try and recovered some data and photos
Any help appreciated.
Kind Regards.
Click to expand...
Click to collapse
Hi, try turning off the App Power saving mode!! i had these problems also and it was caused by a app that cant handle the always on setting so when you use that app and then turn the phone in standby it will cause the freeze/black screen

Were you ever able to fix this problem? I just had it happen to me and I'm in the same situation.

This just happened to me. After an hour spent with tier II tech support, no progress.
You need to let the phone die completely. Once it's dead (and the blue light) is no longer dead, plug the phone into an OEM walk charger. In my situation,my s7 edge would vibrate to recognize the charge, than reset - before it could even build up a charge (so I thought). I left it alone for an hour or so, and amazingly, it booted up like normal.
Good luck!

I have this problem. How long will it take the battery to drain from fully charged with just the blue light on.

This just happened to me as well. I hope draining the battery works. This occurred when my battery drained and the phone turned off. When I tried to turn it back on after letting it charge for a few minutes it looked like it started to boot, then went to a black screen with a solid blue light. No button combination has any effect.
EDIT: Waiting until the battery died and then attempting to charge the phone has had no effect. No combination of keys has an any effect, either.
EDIT #2: I've taken my phone into the Verizon store. They tell me it's an issue with software and the phone is dead. They said this is "rare". Considering what I see here, I can't say how rare I find it. I have insurance, so they're replacing it, but now they're not keeping up their end of the deal on when the replacement phone will be delivered.

Flash it!
I had the exact same symptoms. What did the trick for me was draining out the battery and then fully charging it, WITHOUT TURNING ON the phone. If you do turn it on, you need to drain it out again. When the phone was fully charged I booted up the download mode and flashed the stock firmware with Odin. That was it, my Galaxy S7 was fully functioning again.
Hope this helps someone out there.

Just experienced kinda the same problem.
S7 died overnight on the charger. I was lucky to wake up on my own.
Just blue led.
I let it drain out over the day so it turned off (vol- + power no working).
Charged it a bit and try to go to recovery: loaded recovery but completely frozen.
I let it drain again and recharged it after it turned off.
Then I went to DL mode and reflashed latest carrier stock rom. AP. CP. BL. CSC. All.
Flashed fine! After rebooting it said "erasing...", rebooted and is back to the blue led only.
Strongly suggesting a hw issue at this point.
I'll let it drain again, fully recharge it, flash a non branded stock rom. If that wont work i'll probably need to bring it to my carrier on monday. Too bad its friday...
//Phone is r.i.p. even after a re flash of stock fw with full battery it only boots to blue led.
//Phone even deader. No more response in any way.
(some time later)
//Just received the repair report. The mainboard and some minor components were replaced under warranty even though my phone was rooted. Good thing for me it never turned on again.

s7 is ded jim, no charge, no boot, no DL or recovery

Hey y'all this is my friends phone and he messed up. He was always having battery issues where it wouldn't take a charge and was constantly fighting with it over something. He thinks the phone is cursed. Here's what went down at the end;
Friend was flashing stock firmware to phone. Phone was stuck on one of the flash spots, not sure if BL, AP, CSC, etc as I was not there. Because it didn't appear to do anything and he didn't know to wait it out, he rebooted phone in the middle of flash. Now the phone is completely unresponsive! Plug it in, no response. Hold any buttons, no response. Changed battery, no response.
At my wits end with this phone Anyone have anything or any advice that will help save this phone? Mint condition, would hate to have to write it off.

You sure the battery has enough charge to power on? If you say the battery wouldn't take a charge originally
Holding: Power - Home - Volume Down until the device reboots a 2nd time sometimes gets them back into download mode
A bad ROM flash should not prevent the phone powering up, that sounds more like the original power issue

*Detection* said:
You sure the battery has enough charge to power on? If you say the battery wouldn't take a charge originally
Holding: Power - Home - Volume Down until the device reboots a 2nd time sometimes gets them back into download mode
A bad ROM flash should not prevent the phone powering up, that sounds more like the original power issue
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Click to collapse
Holding those buttons does nothing. Even when plugged into USB. I have tried multiple cables. I even installed new battery for s7 and nothing. Screen remains dead and phone has no image or vibration response. It just stopped working after his failed flash.