no power up - 8525, TyTN, MDA Vario II, JasJam General

Hey guys, I bought an 8525 on ebay today with the following problems:
* Fail Test Call
* Bad LCD
The seller wrote "The phone Powers Up in that the light in the Upper Right Corner lights up but nothing appears on the LCD screen so I have no idea if the LCD is Good or Bad."
Do either of these issues seem like anything any of you have encountered/overcome? I'm more worried about the LCD think than the failed test call because I'm pretty sure flashing a new rom/radio will fix that issue assuming it is an issue at all. All help will be appreciated, thanks guys.

nobody? come on guys i have looked through these forums and haven't found any solutions... any ideas at all would be helpful. thanks..

chbearsrock said:
Hey guys, I bought an 8525 on ebay today with the following problems:
* Fail Test Call
* Bad LCD
The seller wrote "The phone Powers Up in that the light in the Upper Right Corner lights up but nothing appears on the LCD screen so I have no idea if the LCD is Good or Bad."
Do either of these issues seem like anything any of you have encountered/overcome? I'm more worried about the LCD think than the failed test call because I'm pretty sure flashing a new rom/radio will fix that issue assuming it is an issue at all. All help will be appreciated, thanks guys.
Click to expand...
Click to collapse
Did you try powering up by soft-resetting? My phone failed on me, only once (to date), where the normal power-cycle button didn't work. Using the stylus in the reset-hole turned it on, and I then hard-reset and restored from a backup, and everything was fine again.
To see how much of the device is working, why not hook up to ActiveSync and see if anything other than the LED is working? If so, using some remote control SW (if you can install on the device) might let you test some of the functionality. MS Remote Console Display only requires a single executable file on the device (which you could place there with AS), but I don't know how you'll get past the initial startup and setup clicks.
It sounds to me like you might have bought a device that could be more suited to parts farming, if you're not up to opening it up and doing some micro-surgery. I wouldn't gamble on the test call being fixable with a radio rom flash, but heck, it's worth a shot. But then again, I might just be being pessimistic.
Good luck in your endeavor,
-pvs
PS: You might want to have a look at this thread. Sounds like it might be a similar issue, although it has not led to a successful repair. :-(

thanks for the response! i hope that the reset button is the solution to my problems...wouldnt that be great? i'm not opposed to opening the phone up (i assumed i would have to) so if that doesn't work i will open it and make sure all of the ribbons are in correctly...not sure what else to do...thanks for all your advice though i'll be sure to follow your steps as soon as i get the device (hopefully by saturday).
i'll keep this post updated.

ok so i said i would keep this post updated (though i don't think anyone read it to begin with) so here's the update. I got the phone in the mail yesterday and it turns out that it does not turn on at all. When I plug it into the computer I get the red light (indicating no battery) but none of the fixes seem to work. I thought it would be a firmware thing but i'm now guessing that its a hardware issue, meaning i dont know where to begin. Unfortunately it looks as though its going right back on ebay...

tsk i upgraded the radio version after i fixed my phone to work invariably better from when i got it. i was so happy it was stable. i plug it in my usb and happily transferring files. i leave it and i come back decide to see what the fuss about the radio is so i decided to upgrade to the file HERM_Radinly_1.43.00 ... after successfully loading, not for long about 5 more mins plugged poof! disconnect sound. lcd faded. phone fried no red light when plugged. have two batteries so it's not the batteries. not the connections either. nothing. dead. tsk... and i was so excited.
chbearsrock said:
ok so i said i would keep this post updated (though i don't think anyone read it to begin with) so here's the update. I got the phone in the mail yesterday and it turns out that it does not turn on at all. When I plug it into the computer I get the red light (indicating no battery) but none of the fixes seem to work. I thought it would be a firmware thing but i'm now guessing that its a hardware issue, meaning i dont know where to begin. Unfortunately it looks as though its going right back on ebay...
Click to expand...
Click to collapse

Related

XDA II Coma like state

Right guys and girls, this "coma" stuff is driving me MAD!!!!!!!!!
okie the latest example is last night i put the XDA on charge not in the cradle as usual as i was not at home, but that seems to make no difference, anyhow i turn the screen off by pushing the power button (top left) yellow light turns on and begins to charge, next morning i pick up the device to use it and nothing.....not a sausage, dead as a doe-doe.
Im not able to power it on, im not able to "wake it up" with a call to it, buttons do not work at all, screen is dead, the yellow light stays on even when charger not connected, however it turns of several hours later.
Ok at this point in the past the only way to fix this was to hard-reset it, which is a royal pain in the arse as you all know, and lost all my info i worked on, on that last trip.
Except this time, it really is dead, Hard-reset dont work, removing the main battery and letter the internal one take the hit dont work, verious combos of reset, hard-reset, with and without battery. nothing
nope, this time it seems totally screwed, anyone have any ideas
O2 is going to get an angery phone call, as soon as there tech support peeps goes back to work after the weekend, they said originally it was just a glitch and i was to update my software (rom). Some damn glitch!
Anyhow in a bid to remain slightly more sain than i will be i was hoping that some of you guys have had a problem like this or even better know how to fix it
How you can help
Regards
Darren
O2 is going to get an angery phone call, as soon as there tech support peeps goes back to work after the weekend, they said originally it was just a glitch and i was to update my software (rom). Some damn glitch!
Click to expand...
Click to collapse
well maybe your phone is just broken
being angry at o2 will not help anything they dont make the hardware they dont make the software they just sell the device
Hum, intresting, before i start, O2 is to blame, in the world of retail and more importantly sales contracts, they are my first and direct point of call, in law, when i give them cash and they except it, they are entering in a contract which sticks them in the position to be blamed, however it is not about blame, its about getting somthing done about it, and they are the people who pull the stings, i do understand that they do not make these devices but thats not the point.
16 year old kids may be a bit put out when there phone stops working, however those who need there phone / PDA to work have more issues when things go wrong.
Whats more intresting is that 1 hour ago, the phone unexpectedly turned on by its self, although not surprisingly, all the data was lost. It seems to of woke its self up when the last remaints of power in the internal battery was about to die, to tell me this information.
Whilest i cant conferm this, if the others who have had this problem before
were to leave the phone off the charger for the battery to die, without trying the usual hard reset, i would expect it to wake up to tell you its about to die and then at this point plug the charger back in and hay presto!
well i'm not saying that you cant sue or demand your money back or place the blame on o2 i'm just saying that you cant expect then to solve your problem apart from reporting the issue to thc who again can blame it on microsoft
dazza8082,
What ROM version do you have on your machine?
I had the same problem with my MDA2 which came with ROM version 1.60 or something like that, but I managed to upgrade my MDA2 to 1.72WWE that I found somewhere in this forums and the problem was solved ever since. I even had lots of sudden SD memory wipes, so far so good... It's been like 4 or 5 months since the upgrade and counting...
The upgrade procedure was performed via the cradle and not via the SD card. But if for some reason you can't manage to boot your device you can always try the SD upgrade method.
I really don't remember the procedure but you can find lots of information somewhere in this forums.
Have you tried to get into Boot mode and then reset the device just to see what happens?
Press the Power button, the reset button and the joypad down at the same time and you should see a DOS-like screen indicating you are in boot mode, from there just press the reset button by itself and see if that helps. You will loose all your data with this procedure, but at this point chances are that you already lost everything in the device anyways.
Best of luck!

Blue LED is always on even with bluetooth off?!

Hi! I just got my bell ppc-6800 and everything is great, except the led on the top left corner is always on. Sometimes it is a dim green, other times brightblue, but mostly it does both at the same time but just blinks rapidly (like a dying fluorescent lightblub).
Before I take it back to the manufacturer, just wanted to see if anyone else had this problem and hope that there is an easy fix for this. Other then that the phone works great, but just want to make sure it will work ok
[edit]Turns out the phone was just defective. Got it replaced right over the counter for free. Thanks for the help though![/edit]
It is probably physically broken. You should replace the phone or have it repaired.
Personally, the LEDs on my phone constantly blink like mad and at one point I turned them off by disabling the AllLEDMgr driver only to find out that this driver also controls vibration.
Code:
[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\AllLEDMgr]
"Index"=dword:00000001
do you have the 6800 hacks download on there from www.trianglepowers.com
I had it on my 6700 and it was the first thing I loaded on my 6800. It allows you to turn off all the flashing lights ~ my bedroom no longer looks like the airport at night!
but I agree ~ sounds like you may have a lemon, and there may be more problems in the near future ~ I'd get it swapped out if at all possible!
I have heard of others having this problem and they need to exchange their phones.
JakFrost said:
It is probably physically broken. You should replace the phone or have it repaired.
Personally, the LEDs on my phone constantly blink like mad and at one point I turned them off by disabling the AllLEDMgr driver only to find out that this driver also controls vibration.
Code:
[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\AllLEDMgr]
"Index"=dword:00000001
Click to expand...
Click to collapse
Check out this program, as you might find it quite beneficial!
http://forum.ppcgeeks.com/showthread.php?t=5689&highlight=led*+killer
[SOLVED]
Ok, so I took it back to the store. After an hour and a half between people in the store, people that owned the phone that were in the store, and people over the phone while I was in the store... I got my phone replaced!
But this does seem to be a problem affecting some units. I didn't get any details as to which model numbers this affects, but if you are a Bell user with strange LED issues, take it back and you will probably get it exchanged right over the counter for free.
P.S.: I tried the programs mentioned, and they still did not work. Actually, the LED was still mis-behaving even if the battery was removed and then put back in, BEFORE the phone had even gone through the HTC boot sequence (not even turned on yet).

Questions and Answers Section for BA Forum. Post Your Questions Here.

@All,
As a celebration for my 1000th post, I decided to open a new thread based on Tweakman's idea, which seemed to work very well in the Development and Hacking Section. The idea is simple, a single thread for all Questions, Problems, and Concerns regarding Blue Angel. This includes, but it is not limited to:
[highlight]*Problems with Flashing.[/highlight]
Can't get your device in bootloader? Did it freeze during flashing and now it doesn't get past the 4 colored screen? Are you a complete noob and need some guidance as to how to flash? Etc.
[highlight]*Have questions about which Rom is best?[/highlight]
[highlight]*Want to install software but don't know if it is compatible with your BA[/highlight]
You get my point. All the questions that I have seen/answered over the past couple of months are just repetitions of posts, threads, and things that are readily available on the wiki or in other threads. However, people are either lazy, don't know what a Wiki is / where to find it, or just flat out don't know how to search (or read the forum rules for that matter). Having something general (in this case a sticky) that says "Hey, if you have a question, you can ask here" should draw enough attention and start minimizing the number of new threads and posts opened by users (both new and seasoned). This way, we will be able to keep the development threads a little cleaner and smaller... hence making the site's search function work a little better in the process.
@Seniors,
Kinda like the Q&A team, I will need your help in trying to keep the influx of questions to a certain level by answering them as we see them. None of us are logged in 24/7 (or at least some of us aren't ), but if you guys see a question, please try to answer it. I know that xplode, Chef_Tony, markanthonypr, red_hanks, sun_dream, imatrix, +Que_PPC, motisu, and others normally try to keep this under control, but if we centralize it and contain it, we will have a cleaner forum.
Reserved for future use.
Post Stickied Per Request...
Siemens SX66 BlueAngel Q&A, Help
You know very well you can count on us. Great idea mate. Also congrats on your 1,000's post. I've added a few "tags" to the thread. I hope some others do the same to. Tags help users to find what they are looking for when they use search.
hi
hi specialists
my friend has Blue Angel,he has strange problems.
in (sounds & notification),it didnot saved after changing any parameter,we tried by reflash the rom again,but nothing changed,also we reinstalled radio 1.15 but no change,also the ring tone of the msg is discontinue or irregular when played,and some times didnot wake up (of the device) when recieve a msg.
this is strange issued problems but in mine (BA) every thing is ok,this problems only in my friend (BA),I mate PDA2K.
any ideas?any suggestions?
thnx
notice:when we down grade to wm 6.1 every thing is ok
homam_france said:
hi specialists
my friend has Blue Angel,he has strange problems.
in (sounds & notification),it didnot saved after changing any parameter,we tried by reflash the rom again,but nothing changed,also we reinstalled radio 1.15 but no change,also the ring tone of the msg is discontinue or irregular when played,and some times didnot wake up (of the device) when recieve a msg.
this is strange issued problems but in mine (BA) every thing is ok,this problems only in my friend (BA),I mate PDA2K.
any ideas?any suggestions?
thnx
notice:when we down grade to wm 6.1 every thing is ok
Click to expand...
Click to collapse
Hey homam,
Thanks for kicking things off
First of all, which OS were you having problems with? This is important because it could have been a bug in a rom that could have been fixed in a later version.
@mark,
I know I can count on you, buddy I need help from the mods as well though. I cannot redirect posts to here and/or close threads
My BA, keeps turning on from standby, by a light shock! I maen, if you press the Power button, and then you knock gently on it's back, it turns back on!!
I've set to "Lock all buttons except the power button", However, I still have this issue.
Well, I must confess that once it dropped off of my hand, and it's the result of that...
Any ideas?
by "it turns back on" i assume you mean it wakes up from stand by, it doesn't really start like after a soft reset, right?
since the BA's only battery activated wake-up is in the cradle and we are not talking about soft reset, my first guess is, the battery is not to blame.
have you checked whether you can use your camera at all time? i mean, the camera_detect does not usually run at all times but if the camera connector is a little lose, from now and then it could "discover" the new camera hardware and wake up, that is unlikely for normal devices, but if yours had a crash before...
you could refer to this site for checking possible hardware reasons:
http://www.land-of-kain.de/ppc/mda3/disassembly/
the hardware things aside, there are also many possible software reasons for the device to wake up on:
- update of titanium weather
- automatic email checking
- cell broadcast
- if bluetooth is on
- if beam is on
- automatic update of any software...
plus of course the usual:
- incoming call
- incoming text message
- incoming mms
- upcoming calendar event...
so please check the possible software wake ups first to make sure this is really a hardware issue, because that would be a shame, that could be tricky to solve.
or let me put it this way, if it is really the moving that wakes it up, you have the first BA with accelerometer
EDIT: last but not least, it could only be a bug, maybe a hard reset or change of the rom could also be a way to go, since spontaneous waking up is a known bug for BAs
Chef_Tony
If there was only a way to hack the hardware and make this work at least on Edge. I can live with everything else, but its a shame paying for a full unlimited Internet service and only getting G connection Sighhhhhhh
Ok, I had to let that frustration out !!!!!!
Chef_Tony said:
by "it turns back on" i assume you mean it wakes up from stand by, it doesn't really start like after a soft reset, right?
since the BA's only battery activated wake-up is in the cradle and we are not talking about soft reset, my first guess is, the battery is not to blame.
have you checked whether you can use your camera at all time? i mean, the camera_detect does not usually run at all times but if the camera connector is a little lose, from now and then it could "discover" the new camera hardware and wake up, that is unlikely for normal devices, but if yours had a crash before...
you could refer to this site for checking possible hardware reasons:
http://www.land-of-kain.de/ppc/mda3/disassembly/
the hardware things aside, there are also many possible software reasons for the device to wake up on:
- update of titanium weather
- automatic email checking
- cell broadcast
- if bluetooth is on
- if beam is on
- automatic update of any software...
plus of course the usual:
- incoming call
- incoming text message
- incoming mms
- upcoming calendar event...
so please check the possible software wake ups first to make sure this is really a hardware issue, because that would be a shame, that could be tricky to solve.
or let me put it this way, if it is really the moving that wakes it up, you have the first BA with accelerometer
EDIT: last but not least, it could only be a bug, maybe a hard reset or change of the rom could also be a way to go, since spontaneous waking up is a known bug for BAs
Chef_Tony
Click to expand...
Click to collapse
Wow! Tony! I really appreciate your complete answer. I mean it.
Yes, as you correctly assumed, I meant wake-up. It just wakes up and continues the routine WinMo operation; no soft-reset occurs.
It's less than a year that I've replaced the battery with a new one. I remember all the funny things used to happen when the old battery was dying. But non of them were similar to this one.
It can't be the Camera. Well, I'm able to use it all the time, and the "camera_detect" has been always loaded in the processes whenever I've checked it. About the looseness thing, ummm, I'm not sure. I tried to knock on it to see if it's more sensitive than other parts. I think the upper part of the device is more likely to wake it up by an easy hit (like knocking). but it's the whole upper part, not only the camera section nor the camera button.
Unfortunately, the software possibility, is unlikely to be the problem:
I've used many ROMs on my lovely BA which 3-4 times of them taken place since the wake-up problem.
The software and the usual reasons you counted, do wake it up. but shakes, too.
Finally, to be honest, I'm agree with you! This is the first Blue Angel with accelerometer. yeaaah! I did it!
I bet my friends that I can wake my BA up, without touching any buttons or screen! It's fun this way, but I comes to be annoying when I put it in my pocket or just put it on a table! and it wakes up... consider the forced battery consumption, unwanted screen taps if I don't lock the screen. God bless A_C! and... .
I know it's a hardware issue (((((
@raizaM: My Thought.... Have you ever taken it apart? One of my BA's had 3 loose bolts inside. All 3 were from what I think is the Radio/Antenna part at top. However, in my case, I had a rattle going inside. Thats why I put it apart. You might have something loose inside, causing a connection to arc when you knock on your phone. If you do deside to open it, there is a tutorial on the wiki on how to.
markanthonypr said:
@raizaM: My Thought.... Have you ever taken it apart? One of my BA's had 3 loose bolts inside. All 3 were from what I think is the Radio/Antenna part at top. However, in my case, I had a rattle going inside. Thats why I put it apart. You might have something loose inside, causing a connection to arc when you knock on your phone. If you do deside to open it, there is a tutorial on the wiki on how to.
Click to expand...
Click to collapse
Hey mark!
I had that same issue a while back, but with only one screw (also from the same area as yours).
@raizaM
Just to knock off Chef_Tony's theory out of the table completely, try to erase camera_detect.lnk from \Windows\startup and SR your device. If Chef was right, then your issue might be gone. However, I would follow markanthony's advice and take it apart in case Chef's idea doesn't work.
Oh man, your not my hero anymore LoL.. and here I thought I would be the only one with a mechanic inside my phone.
markanthonypr said:
Oh man, your not my hero anymore LoL.. and here I thought I would be the only one with a mechanic inside my phone.
Click to expand...
Click to collapse
Well, it kept me entertained when my BA would run out of juice
Thanks for your kind advices.
Actually, I tried to remove "camrea_detect" from the startup once, but any way, I gave it a shot again... no success...
Frankly, I'm a lil bit afraid to take my lovely BA apart... :-s... What if... :-(
But, I guess sooner or later I need to do so. so what the heck... lets do it.
Maybe I'll do it tonight. Guys please help me through it. I don't wanna loose my Angel!
Ton'y link provided in the previous posts, would be my start:
http://www.land-of-kain.de/ppc/mda3/disassembly/
any more advices?
raizaM: You're not going to go that far deep. Only remove the cover. If you look at picture #4 on that link, the top green area has about 6 bolts all around it. Those were the ones that were loose on mine. 2 of them were rattling inside the phone. I still can't believe they didn't cause a short circuit. You don't need to go down into the camshell area. Do you use the sliding keyboard? If so, you could have a bad flex cable. But, don't worry about tha for now. Just remove back cover and carefull inspect for loose bolts. Don't over tighten them.
all the master please help, my BA strange,,,,, the screen suddenly go dead after actived wifi or playing game, its suddenly dead, and i must push power button to turn it on again through proses like softreset, that in battery power. but if i conect in charger power mode, i turn wifi,playing game, its normal, the BA still on and working normal,
please2,,,,,if someone knows the problem please help, im desper now....
loryshoe said:
all the master please help, my BA strange,,,,, the screen suddenly go dead after actived wifi or playing game, its suddenly dead, and i must push power button to turn it on again through proses like softreset, that in battery power. but if i conect in charger power mode, i turn wifi,playing game, its normal, the BA still on and working normal,
please2,,,,,if someone knows the problem please help, im desper now....
Click to expand...
Click to collapse
It seems that you have the backlight settings set to dim/turn off too fast. Go to \Settings\System\Backlight and modify the settings in there (particularly the ones labeled "On Battery Power"). Then, soft reset the device (stylus on the bottom).
Hope this helps.
markanthonypr said:
raizaM: You're not going to go that far deep. Only remove the cover. If you look at picture #4 on that link, the top green area has about 6 bolts all around it. Those were the ones that were loose on mine. 2 of them were rattling inside the phone. I still can't believe they didn't cause a short circuit. You don't need to go down into the camshell area. Do you use the sliding keyboard? If so, you could have a bad flex cable. But, don't worry about tha for now. Just remove back cover and carefull inspect for loose bolts. Don't over tighten them.
Click to expand...
Click to collapse
egzthunder1 said:
It seems that you have the backlight settings set to dim/turn off too fast. Go to \Settings\System\Backlight and modify the settings in there (particularly the ones labeled "On Battery Power"). Then, soft reset the device (stylus on the bottom).
Hope this helps.
Click to expand...
Click to collapse
not the setting, it got black scren, its dead screen after running wifi or application, suddenly goes dead, black screen,.
Have you tried with another battery? It sounds to me like your battery is about to die. It won't hold the heavy battery consumption of Wi-Fi and heavy CPU usage while on Games. Try with another battery. Also make sure you followed Egzthunders suggestion to change your Power Settings. If you still need help, post back and include more info about your device, such as, what version of Windows are you running and how old/new is your battery.

[Q] [Help]HS2 Wont start after new LCD

Hello all.
I have a HD2 that I havent done anything with, exept getting and installing some small programs.
No new ROM, no attempt to install W7, its more or like a Virgin.
However I made a fool of me, and managed to damage the LCD and finally got it changed. Got the Phone back from the company (MBlue Ltd in UK), and tried to start it up. But No....
Pressing ON, the phone vibrates, gives some light in the screen, sort of like you see its ON its a "white glow", but you dont get any more. The Jingle comes on, theres light in my buttons at the low end of phone, and NOTHING more.
I have had it on for long time, but nothing....
When I finally sendt the phone away, the battery was discharged, but as I have a new battery I put that in, and it charges and all.
Ive studied this thread: forum.xda-developers.com/showthread.php?t=638210
But as I CAN charge I fell that Im somewhat related but not fully in the same situation as the Original Poster there.
# Could it be that my phone somewhat has gotten overheated or anything else?
# Is the only and best solution to send it to HTC and let them look on it?
Ive tried to HARD and SOFT reset, but still nothing.
[EDIT] Connecting the phone to my PC, It is recognised and its recognised as a HD2 T8585
Looking more and reading more on the Forum I suspect theres a problem in the connection between the "fx-card" and the screen. (stupid way of saying it though)
Glad for any input here. Thanks in advance.
Tom
Flattop said:
Hello all.
I have a HD2 that I havent done anything with, exept getting and installing some small programs.
No new ROM, no attempt to install W7, its more or like a Virgin.
However I made a fool of me, and managed to damage the LCD and finally got it changed. Got the Phone back from the company (MBlue Ltd in UK), and tried to start it up. But No....
Pressing ON, the phone vibrates, gives some light in the screen, sort of like you see its ON its a "white glow", but you dont get any more. The Jingle comes on, theres light in my buttons at the low end of phone, and NOTHING more.
I have had it on for long time, but nothing....
When I finally sendt the phone away, the battery was discharged, but as I have a new battery I put that in, and it charges and all.
Ive studied this thread: forum.xda-developers.com/showthread.php?t=638210
But as I CAN charge I fell that Im somewhat related but not fully in the same situation as the Original Poster there.
# Could it be that my phone somewhat has gotten overheated or anything else?
# Is the only and best solution to send it to HTC and let them look on it?
Ive tried to HARD and SOFT reset, but still nothing.
[EDIT] Connecting the phone to my PC, It is recognised and its recognised as a HD2 T8585
Looking more and reading more on the Forum I suspect theres a problem in the connection between the "fx-card" and the screen. (stupid way of saying it though)
Glad for any input here. Thanks in advance.
Tom
Click to expand...
Click to collapse
Does your computer synchronize with your phone(connecting to activesync/mobile device center)? Then it is booted in Windows Mobile, the possibility is that the screen is broken then.
I thought the Screen might not be properly connected, or broken yes.
I better get in contact with the repair company.
But if other too have opininons, please bring em on... ;-)
Returned to repairplace, they fixed it.
My best guess is thy didnt check their own repair so they had to connect/fix something.
Flattop said:
Returned to repairplace, they fixed it.
My best guess is thy didnt check their own repair so they had to connect/fix something.
Click to expand...
Click to collapse
Good point, they're responsible for their repair: it is better this way because it's possible they damaged something while repairing and that part, if needs replacement, it should be their obligation, not yours!

LG randomly overheating and won't stay on - No previous heat issues

Hi, I have a LG K20 Plus. I currently can't turn the phone on, so I don't have much software information to give you. The phone was bought at T-Mobile (Metro by T-Mobile) and I had a SafeLink sim card and a 16 gb micro sd card inserted when the issue started. I have since removed both. It says Qualcomm snapdragon on the screen when it starts. It was also rooted and the bootloader is unlocked.
I broke the screen on my phone and I decided to do the repair myself. I have done about 7 or 8 screen replacements and I actually did this phone a year ago with no issues, so I felt I could manage this one as well. I bought an entire display (from ebay) and switched it out with no problems. Initially it worked great! I used it for a few days before realizing that I had no sound. I opened it back up and noticed the loud speaker had fallen out. I found it, put it back in, reassembled it as I normally do and turned it on.
NOTE: when I was reassembling it the second time, I actually tried to put a screw in a hole that wasn't a screw hole. I used a light to normal amount of pressure but I didn't force it. I think it's the hole where the moisture detector is. Picture #1
I turned it on and right after the logo screen I got a message that said "High temperature detected Powering off for your safety" and it immediately shut off. The phone does appear to charge normally but it won't stay on. I did a factory reset (I'm not sure if it's still rooted but the bootloader is still unlocked). I also switched back to the old (broken) display just to check if that would work. I couldn't see any difference in the shielding but I switched them just to be sure. I bought a new battery and installed it. I took a q-tip and 95% Isopropyl Alcohol and cleaned pretty much the entire motherboard, paying special attention to the battery connections. After each one of these things, I tried to start it with the same error message immediately upon start up.
NOTE: At no point has the phone every physically felt hot or even warm. I don't think it's on long enough for it to get hot. But something is wrong and I have no idea what it is. I, literally, took the phone apart, put in the speaker and put it back together in less than 5 minutes. Could it be I just bumped something and knocked it loose?
I searched for any information I could find both here and with google but there is next to no information on the LG K20 Plus. I did find some information on the LG V20 that had overheating issues, and that has been all the luck I've had. I watched several videos and it seems the solution is to apply thermal paste. But my phone doesn't have any evidence that thermal paste was ever on it. I went and bought some but I have no idea where exactly to put it or even if it's needed. Most videos showed people using some kind of aluminum foil but I'm not sure if that is safe. I have several old phone laying around and I managed to get some of the silver tape and a copper square thing but, again, my phone did not have these things to begin with. I don't want to start adding things only to make it worse.
There is a slight difference of the tape that is on my phone now (the display I just bought) as compared to the old one (broken display). Picture #2 Again, I have no idea if that means anything but I thought it worth mentioning. Picture #3 is how it looks now as if I were going to put it back together. Picture #4 is the part (don't know name) where the videos show to apply the thermal paste and the shielding.
I'm really at a loss as to what to do next and I can't really afford to take it in to have it repaired before next month. If anybody has any insight or answers as to what happened, I'd be very grateful for your help. I'm sorry for the long post. I just wanted to tell you everything I have done in detail. Thank you
If you're using Kernel Auditor or any other kernel adjustment simply reset to default and use only ondemand or interactive. There's also options for the thermal portion of the kernel, don't mess with those. If VCC or another thermal option was checked off turn it back on. Putting the GPS to the moderate setting (the one below high accuracy) will keep the temps down as well. Are you using a custom ROM? If you're on Discord you can feel free to message me SCOPE★ BRΞΛD #8460 . I am only offering that so we can get this resolved quickly for you, just copy and paste since I use special characters.
Omgosh, thank you so much for taking the time to respond! Although I'm sure everything you are saying is very smart, I have absolutely no idea what you're saying. I'll do my best to try and answer you. I don't know what SCOPE is or how to send a message there. I don't think I'm using any thing for the "kernal". Also, I don't know what VCC or Discord is. As far as turning off setting for GPS or any other app, the phone will not stay on. I get about 1 sec after the logo when it boots up, then the error message about overheating and it immediately shuts off. I did a factory reset so everything should be good to go as far as apps. I don't think I'm using a custom ROM. The only thing I did was install TWRP, unlocked the bootloader and rooted the phone a year ago but nothing since then. As I stated earlier, this happened right after I did a display repair. Is there something on the MOBO that can get bumped that will make your phone get hot or send a overheating error. My phone doesn't show any sign that there was ever thermal paste on it prior but should I add some now. Will that help?
Update... Now the phone does not power on at all. When I plug it in to charge it I get an error that says "Device temperature is too high or low. Please move to another place to charge. I wonder where you went. I googled SCOPE so I could sign up to message you like you asked me to but nothing but definitions came up. I know I'm out of my league here. You guys all talk so technical. I didn't understand one thing the person asked me for. I know it's rare to get a response as quickly as I did and I was so happy to see someone had responded. Now, I just feel stupid and defeated. I thought this site was inexperienced with cell phones friendly. I'm just trying to get help so I don't have to go out and buy another phone again. Can someone refer me to a site that is more directed toward people who don't know much about the technical side of cell phones... please! Again, thank you for your time.
HelpNeededPlz said:
Update... Now the phone does not power on at all. When I plug it in to charge it I get an error that says "Device temperature is too high or low. Please move to another place to charge. I wonder where you went. I googled SCOPE so I could sign up to message you like you asked me to but nothing but definitions came up. I know I'm out of my league here. You guys all talk so technical. I didn't understand one thing the person asked me for. I know it's rare to get a response as quickly as I did and I was so happy to see someone had responded. Now, I just feel stupid and defeated. I thought this site was inexperienced with cell phones friendly. I'm just trying to get help so I don't have to go out and buy another phone again. Can someone refer me to a site that is more directed toward people who don't know much about the technical side of cell phones... please! Again, thank you for your time.
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Hey, I just wanted to say sorry this happened to you. The same thing happened to me. My LG K20 Plus, no matter what button combinations I push and for how long I hold them, will not turn on or go into download mode. Plugging it in to a charger or PC does nothing either. Before it got to this state, I got the infamous green screen of death/Demigod crash handler (google this--it's a known issue with some models of LG phones and it happens when they overheat). It's definitely a hardware/build issue, and especially since this issue keeps the phone from turning on or connecting to a computer, I don't see a workable fix short of buying a new phone, unfortunately. Again, I'm in the same boat so I'm not happy about it either. I would say XDA is by far the best site to find a fix to this sort of problem, so if no one here has any suggestions on how to fix it, I think you (we) may be out of luck.
Thank you for letting me know. I'm not sure of some of what you said but I did catch the bottom line. Basically, just hold onto the phone until someone here comes up with a fix or workaround? I have a question for you. Did your problem start after you did some kind of repair? I'm wondering if I bumped something on the mobo to make it give a false overheating error. Do you happen to know where that sensor might be located? Sorry you are having problems to. It really stinks when your phone breaks and no matter how much time and energy you put it to figuring out the problem to fix it, there just isn't any good answers out there. I wish you lots of luck and if you figure anything out, please update here so I can try it too.
You need a whole new phone.
That or you're gonna have to replace the hardware

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