Database Users

[Q] Hd2 having seizures!!!

Hello,
I've had my hd2 for about 6 months now and about a month ago it started randomly crashing. I'd have to take the battery out and reset, but when i'd start about 1 out of ever 4 times it would show the inital launch screen, but the numbers in the bottom left would never come. So i'd have to remove the battery again and reboot.
Then it started happening more frequently. Random restarts, crashes, and the phone didnt like to boot at all most of the time.
Last night, it gets really bad and i am able to get into the phone once. After that it freezes always when you initially power on, you see the boot splash, but no numbers in the bottom left, no moving forward.
AND NOW when i power on, the screen stays black, and it just vibrates and will not stop at all unless i remove battery. In fact, as soon as i pop the battery in, it starts doing this.
WTF!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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anybody

Try doing a HARD RESET.
If that does not help it means you have a damaged HD2 motherboard, try contacting T-Mobile or HTC for a replacement.
I'm 100% sure it is a heat problem. I do have the same problem. With my HD2 disassembled I checked that "freezing" the motherboard make my phone boot without a problem... and it worked properly as long as it stayed cool.
I'm trying to replace the motherboard by myself as I do not live within the USA...
Hope it helps.

Same exact problem here, although it happens less often for me. How do we keep the motherboard "cool" so it won't happen? or is this a sign of motherboard going bad soon and it'll be replaced sooner or later??

I think it is a sign of a dying phone... or at least a dying motherboard.
Maybe (just a theory) these are signs of a "cold joint" similar to what happens to the Xbox 360... and the way to fix it is to "reflow" the motherboard... but we need a more technical point of view on this one...

Thanks for the replies. I have tried the hard reset, but it just vibrates with the screen off still, no success in any attempts to do anything. I guess i will have to contact htc since i did not purchase the phone from tmobile.
I did notice before this happened that the phone was getting hot after even a few minutes of use. So i have to assume it is a damaged motherboard or whatever it is inside of my precious hd2 that makes it bring me joy.
Now i am joyless and sad.
Back to the old 2g iphone
*cries*

Im having the same problem too,its not even 3 months yet since i got my phone.can i still have tmo replace my phone?istill need to flash it back to the original shipped ROM.right now ive been flashing it with diff custom roms and still having the reboot issue.
Sent from my HTC Windroid using XDA App

PiPo M9 drop dead =<

Hey!
I had a PiPo M9 (WiFi) now for about 2-3 weeks and everything worked perfectly.
No problems with rooting and installing ROMS ( i fixed that 2-3 days after i bought it)
I was playing some angry birds yesterday, and all of sudden i had VERY low battery, i put it on charge even if i recently took it from it.
Then i noticed that the DC-connection in my tablet is "loose" , i needed to have the cable in a specific position for make it charge.
Battery was fully charged but it said i had about 16 minutes left, and in 1 minute it dropped to 43% and only had 2 minutes of the battery left...
I tried to calibrate the battery after it was fully charged (i let it charge for almost 10 hours) but there was no difference...
Anyways... i played some games later on and forgot about the position of the cable so the tablet died...It had a bootloop about 6 times and i was trying to put the cable correct for make it charge but i failed and the tablet died.
Now it doesnt react at all, and unfortunally i don't know what the EXACTLY position is for the cable so i have been trying around but without success...
When i am connecting the USB to the computer it doens't react either, and i tried to push in RESET while holding the other buttoms as well, without success...
I Don't know what to do , and i don't know what is wrong?
I opened up my tablet carefully to see if i could see the problem but it is hard to do anything without knowledge about it....
I know that it has something to do with the DC-connection but i can also imagine that it has something to do with the batteries..
If i need to change the batteries , what should i buy? And how should i do? I need a guide, walkthrough ,... i have been googling around , also on youtube, without any luck...
Anyone out there who can help me?
I am kinda desperate.. :/

I solded and fixed the DC-contact, it was loose, but there is a component missing and i am unsure what component it is, so i have a picture and hope someone can help me out....
I'm a little unsure of what component that is missing, but it is backside off the mainboard, just below the dc connection.
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Send email to support
Sent from my GT-I9082 using xda app-developers app

i did, and they had no idea about the parts so they wanted me to send it to them in China
( i live in Sweden)
but i am going to do that, since i cannot do more and i don't want to see it laying there and get dusty....

Nexus 7 Died

I've seen this somewhat similar issue posted a few times but just wondering how many other people are experiencing it. My Nexus 7 just randomly died with the battery plummeting.
I had an issue with my first Nexus 7 (2013) unit that arrived DOA. Holding the power button does nothing but flash the LED. Today, I got home and it did the same thing with my new unit despite having worked for the past 2 weeks. I read some posts here that suggested to plug it in and hold the power button for 30+ seconds. I did that and it seemed to do the trick after letting it charge a while. When I checked the battery history, I saw this:
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I'm running stock Android, stock kernel, stock everything.
Why would it do this? The battery instantly died at that one exact moment...

chug said:
Why would it do this? The battery instantly died at that one exact moment...
Click to expand...
Click to collapse
Left completely alone long enough, the battery level doesn't update accordingly, this is somewhat an issue on the N4 as well. I think what you're seeing here is that the battery level, pre crash, is lying to you, although this looks like a very extreme case. Just a guess with the info at hand.

You might be right. I'll try doing a factory reset to clear out the battery stats maybe... (I consciously chose not to root this device)

chug said:
You might be right. I'll try doing a factory reset to clear out the battery stats maybe... (I consciously chose not to root this device)
Click to expand...
Click to collapse
I wouldn't bother, it does get better with time, at least in the case of the N4. It was a HUGE annoyance for me when I first got the phone, over time the issue became less obvious. The battery stats only contain your per charge usage, so that won't "fix" it.

Bought a weird s5, any help much appreciated.

Hey
I recently bought a used G900H (seller said the box was only opened and phone not used but doesnt seem right)
So it looks mint, just like a new one would. Is certainly not a fake one too, passes all the tests, works very fluently and scores 42000+ on Antutu. Just flashed lollipop on it and all is nice BUT :
I tried to use s-beam and generally nfc - toggle turns on and phone thinks it works but doesnt, cant transfer anything, nothing happens at all. Same for IR (infrared), app thinks it works but it doesnt and I looked at IR transmitter through a camera and it doesnt light up as it should when being used. Blue led indicator flashed though.
SD card works but a couple of times a day promts that sd card is blank or unsupported, then eventually starts working again. SOmetimes promts it is safe to remove by itself.
Battery cover was 10/10 but just after what was like 5 times I removed and put it back on to interchange sd cards etc, 4 small cracks appeared on it,a piece of it even has fallen out and left a hole near a side.
I was also having battery drains but disabled some google services and battery is fine (by the way I have checked and the battery is genuine one)
What is happening ? I would appreciate any information

try to do factory reset wipe data etc. then download cpuz to be sure that it is real g900h (exynos).
after all if still having issues probably the phone has been damaged from the seller ..

I've had multiple factory resets and tried multiple roms, I am not new to android and this is in fact a genuine exynos model.

Everything points to a fake unit, or at least missing some hw. Did you download antutu yourself or did it came pre-installed on the phone?

I installed antutu myself, did all the checks, phone is 100% genuine and software wise works flawlessly. Also checked with Genuine galaxy app etc - passes just fine. Camera is incredible and speed of the phone as well. Also I have flashed G900H firmwares successfully so I wouldnt have succeeded that on a fake device. So in the case that seller had the phone damaged, what might have been done to it ?

Lollipop is very bad.. It made ud return the phone for repairs as it is so bad.
The nfc is located at a weird point on the back..
Battery drains like an insane... 30 percent pr. Hour here from time to time

I have also had terrible battery drain prior to disabling some services.
Here are some screenshots of what I had, maybe someone knows what might be the cause of this activity ? Battery was draining 100 to 0% in a few hours. I have now disabled these services using Disable Service app and can get through the whole day with heavy use no problem.
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So if anyone is having similar problems here is what I found :
This was a refurbished phone thats all

and probably wasnt being used to well too

Battery Drain (Android OS and Cell Standby)

Hi All,
not sure if this is normal (dont think so) but i have annoying battery drain and dont know what i can do to fix it.
My screen on time is around the 2hr 30 mins mark before i will need to recharge - ive seen people getting 6 hours some how??
ive uninstalled all useless apps, wiped cache and all the normal things but still not worked (even location services off)
I just had a look today on WakeLockDectector and it appears it has something to do with the google app?
Does anyone know a solution to this battery drain? - cell mobile radio seems to keep my phone awake??
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You're not the only one. I'm struggling with it since I bought this bloody phone. Had even exchanged battery.
Facing the same problems as you do. Perhaps our models are broken somehow?
It's hard to say...
Anyway, no clue what's going on.

Same problem just started. Was doing great after factory reset but along the way it's slipped

xmatharux said:
Hi All,
not sure if this is normal (dont think so) but i have annoying battery drain and dont know what i can do to fix it.
My screen on time is around the 2hr 30 mins mark before i will need to recharge - ive seen people getting 6 hours some how??
ive uninstalled all useless apps, wiped cache and all the normal things but still not worked (even location services off)
I just had a look today on WakeLockDectector and it appears it has something to do with the google app?
Does anyone know a solution to this battery drain? - cell mobile radio seems to keep my phone awake??
Click to expand...
Click to collapse
mine does vary alot.lowest was 1.5hr and max was 5hr.
i guess the problem is with marshmallow.hopefully it will be fixed with next update