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HTC Tytn II not booting past passcode screen

I've looked through the forum for a solution to my problem, but to no avail, and it doesn't seem that others have the same exact problem I have.
Here goes..
To start off, my phone got wet, and as it was barely booting and crackling and flashing RLOD came on, I decided to let it dry for ~2 days, and then kept it plugged in for a day.
Now, I have normal green flashing light, the phone boots as quick as it used to, but it lags on the passcode screen (and shows my details as before), before saying that several incorrect passcodes have been entered and I need to type in 'a1b2c3', BUT before I get a chance to do so, the phone vibrates three times and shuts down :S
I have hard resetted the phone, but that didn't do any difference.
Anyone have any idea what's going on, and is there any way for me to able to save it??
Thanks beforehand

[Q] Help!!! Grainy green screen With lines during boot up

It started about 30mins ago, was on a call which the screen locks off when u on a call like stand by, but when ending the call the screen would turn on back no matter what. anyways i took out the battery thinking maybe the roms just buggy or the battery dead since it was on low. puttin back the battery the phone wouldnt turn on, took it out and tried again same result.
so i put it on charged nothing, gave it about 2mins charge it came on, but the boot screen with the X just had some green pixel dots all over and horizontal lines for about 3 secs then back to normal, but the phone wont boot pass that.
took out the batteries again, back in then try boot into fastboot or bootloader but nothing, just the boot screen, then the rom booted after waiting, took longer than normal. so i turned it off and try the bootloader or fastboot but it wont load just the rom, so i restarted to recovery mode from the rom it worked, turn off and try bootloader or fastloader mode they worked, now it seems all working fine, also my touchscreen is responding perfectly and the rom loading ok.
but anytime i boot the phone the bootscreen has the green pixels and lines just the same. im abit worried as i dont want things getting worse, is there anyway to fix this, is it some virus? could i just flush everything and start over???
any help would be greatful, thanks.
ppl with simular problem:
http://forum.xda-developers.com/showthread.php?t=642761
http://www.google.com/support/forum/p/android/thread?tid=77fefa8bdd57d7a3&hl=en

You guys think updating my radio from 4.06 to probably 5.08?

Almost similar with few different colors but I dropped my n1. It took me almost a day to see that the LCD was broken. Turn off the phone or screen and look in sunlight. They really were hard to notice and I showed to 4 different peoples whom all failed to notice until I showed them. Hope yours is just a minor software problem.

well i just check its not broken and it didnt fall from me so im guessing its software but im wondering if it can fix but i dont wanna flash my phone and things get worse or even brick my phone, so im asking before i try anything more.

Nexus One powers up only one time in ten hours

Hi all,
I got a totally silly problem. I have propably broken Nexus One with strange symptoms. I dont know anything about the flash-history of this device. It was sold as defect.
I received it yesterday. Put the battery in, hold power button, seems to boot up, the colored X appeared. Then nothing happend, it freezed. Then I did everything to boot up again, to get in Bootloader etc. I tried to charge, the LED didnt light up. Tried another (mine) battery, nothing, no charge process, no boot up. It stuck. I put an old Froyo PASSIMG.ZIP (PASSIMG_Passion_Google_WWE_2.18.1700.1_FRG83_release_signed.zip) on sdcard, so it will install on the next/first working fastboot try. But, no chance so far, it didn't boot.
Then I removed the battery, put it on a table. Today in the morning, after about ten hours, I put the battery back in, hold VolDown and pushed the power button. It boots in Bootloader - wtf? - BlackRose is installed. It tried to install the Image put on sdcard before. It got stuck with propably 10% of checking.
After two hours I removed the battery and it didn't boot up again - I will try it in the late evening again.
The device has 8 months of warranty left, and I'll send it to HTC, but before that I want to remove the BlackRose'd Bootloader. So on next fastboot-bootup, hopefully it comes up with it again, I want to flash back the stock HBOOT (d6096cac5e9f.signed-hboot-0.35.0017.zip). Propably this will remove all problems I have, but I don't think so.
Now I want to get sure if you would go the same way or if you have an idea what is causing this freaking behavior.
Thanks so far!

H811 won't boot after multiple battery pulls... HELP!

So I can't boot my phone. Previously stable h811, unlocked bootloader running latest 20i Extreme 3.3 MM with G4 Tweaksbox. I have a Qi/NFC sticker on the back, but which has worked flawlessly and was not in use when the phone died. Here's what happened and what I have attempted.
Problem began when phone simply went black. The only thing running was Maps, which had a route displayed but was not in navigation mode. The screen went dark like normal, and when I went to wake the phone, nothing happened. I was in the car and tried plugging in the car charger and did not get a charge light. Pulled the battery and was unable to get a response. The phone and battery were quite warm.
When I got home, I tried a different battery, and the screen turned on to the LG initial boot screen, but nothing else happened.
After many battery pulls and attempts to boot into recovery, I tried it with the phone plugged into the computer. Finally, it showed the charging screen and light, and after several more attempts- pulling the battery and inserting it, then powering on, it appeared to be booting, (boot animation started, but then looped and froze on the initial boot screen (with bootloader state: bootloader unlocked in the upper corner). After another round of attempt/battery pull, it booted all the way up, but at that point I had my sim pulled. Pulled the battery and tried to restart and it froze on the initial boot screen again. Haven't been able to get into recovery at all, can't get into download, can't boot past the initial LG screen. Sometimes it loops, sometimes it just hangs. Nothing I do pressing combos of buttons, plugged into computer or unplugged, seems to change anything. The very farthest I've gotten is the breathe blue light before the boot animation, but then it looped. Now it's boot looping plugged into the computer.
Any ideas? I'm at a total loss.

bdportil said:
So I can't boot my phone. Previously stable h811, unlocked bootloader running latest 20i Extreme 3.3 MM with G4 Tweaksbox. I have a Qi/NFC sticker on the back, but which has worked flawlessly and was not in use when the phone died. Here's what happened and what I have attempted.
Problem began when phone simply went black. The only thing running was Maps, which had a route displayed but was not in navigation mode. The screen went dark like normal, and when I went to wake the phone, nothing happened. I was in the car and tried plugging in the car charger and did not get a charge light. Pulled the battery and was unable to get a response. The phone and battery were quite warm.
When I got home, I tried a different battery, and the screen turned on to the LG initial boot screen, but nothing else happened.
After many battery pulls and attempts to boot into recovery, I tried it with the phone plugged into the computer. Finally, it showed the charging screen and light, and after several more attempts- pulling the battery and inserting it, then powering on, it appeared to be booting, (boot animation started, but then looped and froze on the initial boot screen (with bootloader state: bootloader unlocked in the upper corner). After another round of attempt/battery pull, it booted all the way up, but at that point I had my sim pulled. Pulled the battery and tried to restart and it froze on the initial boot screen again. Haven't been able to get into recovery at all, can't get into download, can't boot past the initial LG screen. Sometimes it loops, sometimes it just hangs. Nothing I do pressing combos of buttons, plugged into computer or unplugged, seems to change anything. The very farthest I've gotten is the breathe blue light before the boot animation, but then it looped. Now it's boot looping plugged into the computer.
Any ideas? I'm at a total loss.
Click to expand...
Click to collapse
Im bricked myself from another issue but i think there is a black screen of death issue with some of the g4s
Try to boot download mode and re flash stock kdz with Lg up tool
You will loose all data though.
Good luck on help here noones helped me at all .
The g4 is just not a good device or user friendly
Sent from my LGMS631 using XDA Free mobile app

Black screen of death here too
Yesterday, I was using Chrome, site loading, screen just went black. I had about 1/2 battery at the time. I figured maybe the battery was just reporting wrong. When I got home, swapped batteries, same issue. I've been able to get into recovery and attempt a factory reset a couple of times (after many frustrating attempts.) The phone seems to only be able to be powered on for about 30 seconds before it goes black again. I'm going to attempt to fix with download mode now. If anyone else has solved a similar issue, any tips would be appreciated.

Hardware appears to be at fault!
Check this out, people!
http://www.androidauthority.com/lg-admits-g4-bootloop-problem-hardware-fault-669603/
Spread the word. Sounds like this is our problem. Apparently affecting mostly models with serial numbers starting 505xxxxx... which is what mine is. Called LG and they issued an RA# and shipping label to send it to them for service. I'm a little concerned since I didn't buy mine through a carrier, but this seems more like something of a soft recall than strictly a warranty issue, so I'm hoping they fix it no questions asked. I'll keep you guys posted on the progress.

Same thing happened to me today. My phone randomly shut off and it won't boot. Its stuck at the Android logo. I wasn't messing around with it. Just normal use (Snapchat, youtube). I tried booting into recovery but it just goes back to the android screen LG logo and keeps looping. I at least want to wipe the phone before I send it (personal info).

Same here. Mine has serial number starting 505, was purchased back at end of 5/2015 with not problems until this. I filled out the warranty repair form on LGs website and they sent me an RMA with label to get it fixed. I sent it in, they sent it back, and the only thing I see is on one sheet they printed out and included in the package said 'replaced board'. However, when I started up the phone it looked like new initialization with xx of yy apps initializing and then it began bootlooping with the LG splash screen. So frustrating!
So, this time I contacted t-mobile via their online chat, and did a warranty exchange through them. They will send me a replacement LG G4 next day ups air and I will send them the defective one for them to claim warranty themselves. We'll see where this goes. I might just take the replacement unit and do a tmobile jump exchange to another device. I wanted to wait for the new line of HTC nexus phones that are rumored for this year (and was loving the LG 4 until it died), but I might need to just jump twice this year and go for something like the new Samsung S7 of new LG G5 now and then again switch to HTC nexus once that comes out.

Sent mine to LG, and they fixed under warranty with no questions asked. Got it back within a week. All good now.

Did my phone just completely die ?

Hello dear community,
Something really strange happened with my device about 1.5 years ago, but since I still keep it in my house, I can't help but wonder what happened and is it fixable.
So, the story: In some sunny day in July/August of 2020 I was browsing through my device, then I locked the screen and few seconds later I remember that I want to check something, so I pull the phone out of my pocket, use my fingerprint or face to unlock it, then just during the screen unlock animation (that takes ~1 second to "expand"), the device froze halfway through and would become unresponsive. By that I mean that the touch did not work, nor the Power/Vol/Bixby buttons. The phone heated up so much that in the span of a few seconds, the metal frame got so hot that it burned the skin of my hard, then a few more seconds after, the screen went black. This was the last time the device had worked in any way.
What have I tried to do to ressurect it:
Turn it on via the power button
Plug it in a PC with Odin - Odin did not pick-up the device
Let it charge overnight
Any possible button combination to get to various screens (fastboot, etc)
What I believe happened: Since I was running a custom ROM I believe that when I unlocked the device, something went wrong in the code and it caused the device to freeze and the heat was produced by frying the SoC or something else. Taking the back glass did not show any visible (and smellable) damage.
What do you think ? Is there something that you can suggest me to try to bring the device back to life ?
Thanks in advance!

If you can't get into fastboot, download mode, recovery mode, etc. Then your phone is probably - in my experience - subject to a physical repair.