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guys,i have a serius problem with my htc tytn.my lcd is flashing,horizontal stripes are going up and down all the time.the screen is for the moment full of grey rounds,but after some sec it is ok for some minutes.it's look's like the software mistake,so i flash my rom and it is the same thing.is lcd out or what? i realy need some usefull advice!
thanks
i forgot to tell,that those flashing stripes are mostly when i chagre the pda.they are on when pda is not charging,but some time to time.when it is on cable,it is aufwul!
c'mon guys,my lcd is blinking like crazy.i need a solution.
need more info...really
It could be a range of things. Does it change when you move it, press the sides,tap the screen? Does it do it by itself.....when it is just sitting there...no external movement. More info needed.
yxgwfty said:
It could be a range of things. Does it change when you move it, press the sides,tap the screen? Does it do it by itself.....when it is just sitting there...no external movement. More info needed.
Click to expand...
Click to collapse
it has minor efects,if i tap on the screen when he is doing this.if i slide him to landscape,screen is turn,but stripes are going up and down like in portrait .it is do it by itself,yes.i put him on table,and suddenly bum,start flashing.
i thought there is some power bricks,you know,like the lcd is touchy for the minor change in power.but it is weird,realy.
i take some pictures with one old vga camera phone.hope anyone can help me with the problem.
http://img145.imageshack.us/img145/7804/slika008qi7.jpg
http://img71.imageshack.us/img71/7509/slika006wl9.jpg
http://img100.imageshack.us/img100/6112/slika010ap3.jpg
http://img74.imageshack.us/img74/1262/slika010qb9.jpg
it sounds as if the connector inside the phone is coming loose. If you are able, try and pressure the connector so the connection is good.
http://blog-imgs-1.fc2.com/i/n/u/inuchanbt/CHT9000_dismantle05.jpg
http://blog-imgs-1.fc2.com/i/n/u/inuchanbt/CHT9000_dismantle06.jpg
Thats the connection i am referring to. If you need assistance in dismantling the hermes, try the mod, Mike Channons guide
If it is not this, then i am not sure...
Do this as a last resort as it will void any warranty you may have with your phone... it also sounds as though the screen is on its way out.
miffymiffy said:
it sounds as if the connector inside the phone is coming loose. If you are able, try and pressure the connector so the connection is good.
http://blog-imgs-1.fc2.com/i/n/u/inuchanbt/CHT9000_dismantle05.jpg
http://blog-imgs-1.fc2.com/i/n/u/inuchanbt/CHT9000_dismantle06.jpg
Thats the connection i am referring to. If you need assistance in dismantling the hermes, try the mod, Mike Channons guide
If it is not this, then i am not sure...
Do this as a last resort as it will void any warranty you may have with your phone... it also sounds as though the screen is on its way out.
Click to expand...
Click to collapse
ya,i thought it is screen fault,but i doubt,because phone is relising scratchy voices trouht speaker.i will try that conector.i don't have warranty any more,so no big deal if i void this.
duh,i am not realy sure witch connector might be lose? i must say,my pda drop on the floor about 2weeks ago.maybe from there are these problems?
Hi all. In need of a bit of advice here. Hope this is in the right forum.
My beloved DHD has suffered from one too many falls. Despite being protected in an Otterbox Commuter case, he now lies on his deathbed. Even though I was considering an upgrade, I'm thinking I might want to stretch out his life for as long as possible instead. So I've come here to ask for repair advice.
- The phone seems structurally sound from the outside, no damage besides minor aesthetic scratches from before the phone was protected by the Otterbox.
- It appears to boot. Makes the vibration noise etc. Heck the alarm even went off the other morning, at the set time of 0630.
- Screen does not function at all. Lifeless. But not broken in any way externally. Because of this, had to pull the battery to shut the alarm off.
- When plugged in to charge, charging light indicator does not illuminate.
Any ideas?
Sent from my nipple running windows 95 NT.
Cheers, although I'm gonna try a different approach for now.
Any ideas? Can anyone point me in the right direction of some advice?
Sounds like 2 things. Broken lcd and a broken charging port. It wouldn't be worth repairing. You could buy one second hand on ebay for aboot £120.
Sent from my nipple running windows 95 NT.
Thanks for that. Considering trying to sell it broken, for parts. Only thing that concerns me is any sensitive data that may be readily accessed by someone who knows how to get to it.
Is there a way to wipe it?
You could use another dhd with the same firmware and copy the key/button presses and reset it in bootloader mode.
Sent from my laser emitting mammary glands.
Could also be that the connector for the screen has been dislodged due to being drop to many times you mite try opening it up and see if it is that.
lincolnep said:
Could also be that the connector for the screen has been dislodged due to being drop to many times you mite try opening it up and see if it is that.
Click to expand...
Click to collapse
Hi, thanks for the response. So I assume you're referring to this part here?
http://www.parts4repair.com/htc-desire-hd-lcd-screen-fpc-connector/
Seen in this disassembly video from the 3:05 minute mark?
http://www.youtube.com/watch?v=JfatoeWbMRk
bump...
I have a problem similar to yours. But in my case, I'd turned the phone off to go to the cinema and the LCD and touch never turned on again.
In order to erase your data, did you try overwriting a stock rom? (In case it's just the charging LED that is broken)
That sucks! Self detonating phone. Does yours still vibrate and 'turn on'?
Haven't actually managed to clear the data. I'm ordering this part here (http://www.parts4repair.com/htc-desire-hd-lcd-screen-fpc-connector/) and I'm going to attempt to pull it apart and fix it.
If I can get it to work again I'll sell the One V I'm using and go back to the old faithful!
Well this saves me from starting a new thread haha
Anyway i am having the exact same problem as you have.
My dad brought home a Desire HD from work wich was not working so i am trying to fix it.
The phone boots, it vibrates ones and after a minute it makes the boot sound.
But nothing responses and the lights wont turn on.
Also no charging light..
Also it does not charge but usb does connect.
Could this be the FPC connector or the screen?
Hmmm...interesting, exact same issue as mine.
Well, I've ordered the FPC connector replacement part I linked above...going to attempt to play around with it when it arrives and see if I can breathe new life into the phone. So I can tell you how that goes...
Although:
1. Would the charging light and screen problem be connected? Is this feasible? Or does it suggest something else is likely shot?
2. I believe the FPC connector requires a solder to replace. This could be a bit ambitious on my part to attempt to repair...any ideas on what sort of a solder would be suitable?
Sent from my HTC One V using xda premium
suitup said:
Hmmm...interesting, exact same issue as mine.
Well, I've ordered the FPC connector replacement part I linked above...going to attempt to play around with it when it arrives and see if I can breathe new life into the phone. So I can tell you how that goes...
Although:
1. Would the charging light and screen problem be connected? Is this feasible? Or does it suggest something else is likely shot?
2. I believe the FPC connector requires a solder to replace. This could be a bit ambitious on my part to attempt to repair...any ideas on what sort of a solder would be suitable?
Sent from my HTC One V using xda premium
Click to expand...
Click to collapse
no clean flux core solder would work best, preferably something very thin (about .015"). A small bottle of noclean flux would also help and you probably will need lead free solder as that is likely what they used on the board to begin with, and lead and leadfree dont typically mix as well.
Thanks for the quick reply...
Something like this?
http://www.oritech.com.au/productDetail.aspx?productID=23244
What sort of iron would be suited? Would any of these suit?
http://www.oritech.com.au/categories.aspx?categoryID=321
Would you say it'd be a difficult process? I've soldered before, but a that was a while ago in high school...
Also the cost of all this equipment will far outweigh the cost of the $3 FPC connector spare!
suitup said:
Thanks for the quick reply...
Something like this?
http://www.oritech.com.au/productDetail.aspx?productID=23244
What sort of iron would be suited? Would any of these suit?
http://www.oritech.com.au/categories.aspx?categoryID=321
Would you say it'd be a difficult process? I've soldered before, but a that was a while ago in high school...
Also the cost of all this equipment will far outweigh the cost of the $3 FPC connector spare!
Click to expand...
Click to collapse
yes, those should both work fine. ya it is costly for equipment. i have a edsyn iron i use at home and solder i get from work. i would say it can be tricky, i havent seen the connector but im sure its similar to other inline ribbon connectors. remember, short burst soldering, heating it for too long will take the pad off the pcb, and repairing THAT can become very difficult.
suitup said:
Hmmm...interesting, exact same issue as mine.
Well, I've ordered the FPC connector replacement part I linked above...going to attempt to play around with it when it arrives and see if I can breathe new life into the phone. So I can tell you how that goes...
Although:
1. Would the charging light and screen problem be connected? Is this feasible? Or does it suggest something else is likely shot?
2. I believe the FPC connector requires a solder to replace. This could be a bit ambitious on my part to attempt to repair...any ideas on what sort of a solder would be suitable?
Sent from my HTC One V using xda premium
Click to expand...
Click to collapse
Thanks. We have a spare DHD with broken glass here wich my sister is using unter her SGS is back from repair. Will swap the motherboard when her phone is back.
Sent from my HTC Vision using xda premium
noticed that my touchscreen is becoming unresponsive lately so i thought that changing the multitouch might solve it. the thing is, after selecting 4 touch, touchscreen becomes totally unresponsive. i tried wipe and even flashing stock os but touchscreen is still the same.
did i screw up my touch screen? how will i know? any known repairs or fix.
thanks
Sounds like your digitalizer (the glass above the screen) is busted and needs replacement. If your phone is under warranty, claim it, if not - get a new digitalizer and if you can't change it yourself, take it to a repair shop.
Changed the digitizer but still no response
Got a headache? It's all in your head!!!
switch ROM
You said that you flashed back to stock, but how about flashing to another ROM, I mean one that has a completly diferent multitouch enabler... that might work.
kherzad said:
You said that you flashed back to stock, but how about flashing to another ROM, I mean one that has a completly diferent multitouch enabler... that might work.
Click to expand...
Click to collapse
i was able to flash stock and it means i have no root nor recovery. and adb debugging is not enabled. i am out of ideas how i will be able to solve this.
After flashing stock ROM do you face the same issue with a new Digitizer?
yes. doesnt respond to anything except volume and power. even the 4 touch buttons doesn't work. i was thinking that i have received a bad digitizer or it is a motherboard issue. with the latter i have no idea how to check
salingpusa said:
yes. doesnt respond to anything except volume and power. even the 4 touch buttons doesn't work. i was thinking that i have received a bad digitizer or it is a motherboard issue. with the latter i have no idea how to check
Click to expand...
Click to collapse
I had recently taken my Defy to a service center. I just wanted to change the earpiece and the side casing. While replacing the side casing (while removing the Digitizer) they damaged the digitizer. The main touch portion was working but the 4 soft keys were not. They replaced the digitizer and everything was fine again (had to pay for it )
If you can carefully handle the phone, you can open up the casing and try reconnecting the digitizer to the board. (Do not remove the digitizer from the casing only reconnect the cable).
Replacement is better done by a service center as it requires careful handing.
I did open the phone, removed and reconnected the cable, still the same. also tried 2 new digitizer still the same result. I guess it us the mother board . Any ideas where to get replacement board ?
Thanks
Got a headache? It's all in your head!!!
i have got the same problem like you and i have solved it.
Do compass calibration like spin the phone 3 times in flat condition (laying down face up), then have the phone standing up and rotate 3 times, then on one side, rotate 3 times and then move your defy in the shape of number "8" in the air. Re-open the screen. it is suppose to bring back your screen work like it was nothing happened.
only for my defy i've tried never did this for another but from what i see you have nothing to lose here
Tried the calibrating thing and also a new digitizer. doesn't work. So it is the motherboard.
Anyone knows where to get mother board
Got a headache? It's all in your head!!!
Getting a new board is like getting a new phone - new IMEI, price for the board should be very similar to the pricw for a new phone too. If you think about it, it IS the phone. What's there in the phone other than the board a screen and a digitizer...
Guess you're right.
Got a headache? It's all in your head!!!
Hi XDA,
Recently my phone has come up with a problem with the USB charging port where it thinks it is charging when it is not plugged in every few seconds. This causes the screen to wake every few seconds and then turn off to sleep, then re-awake again repetitively, draining the battery very quickly.
I'm not sure of any way to fix this problem except maybe send it back to the manufacturer for warranty and repair (which is difficult for me to do as I have already voided the warranty through rooting), or maybe buy a replacement USB port and try fix it myself. Does anyone know of any other simple and effective ways for me to fix this?
Aside from this, in the meantime I would like to know if there is any way I can prevent the screen from waking up when the phone thinks it is being charged, thus when the phone does its charging/not charging cycle, it doesn't wake up the screen every 15-20 seconds and so won't lead my battery to drain from this.
Any help would be greatly appreciated, thanks!
Unroot, and flash stock then lock bootloader?
Sent from my Galaxy Nexus using Tapatalk 2
dmarmstr said:
Unroot, and flash stock then lock bootloader?
Sent from my Galaxy Nexus using Tapatalk 2
Click to expand...
Click to collapse
Hey, thanks for the reply. Unfortunately I am a bit of a noob at this and am unsure where I should go/what I should do to unroot, flash stock and lock bootloader. I think that would have to be a last resort though, is there not some way I could fix it myself? Is it purely a hardware issue? Also, in the meantime is there a way to prevent the screen wake issue?
Thanks
When we told people not to use toolkits....
Well at least learn after using it, and not just click away and forget about learning.
/end of small rant
Try to push the connectors in your microusb port sightly up(screen facing the sky)
If not use this: http://forum.xda-developers.com/showpost.php?p=27945515&postcount=128
Pressed from my Maguro
Mach3.2 said:
Try to push the connectors in your microusb port sightly up(screen facing the sky)
Click to expand...
Click to collapse
Can you be a little more descriptive here, or post a pic of this? I'm having the exact same issue but don't want to mess up my phone any more than it is.
On a side note, I called Samsung this afternoon to inquire about getting the phone serviced and after he told me that unlocked phones don't come with a warranty (I bought mine that way), he actually said that they couldn't repair it anyway because unlocked phones are actually built differently and use different parts. To which I laughed. But anyway, I now need to find a way to fix this problem.
Thanks.
corboto said:
Can you be a little more descriptive here, or post a pic of this? I'm having the exact same issue but don't want to mess up my phone any more than it is.
On a side note, I called Samsung this afternoon to inquire about getting the phone serviced and after he told me that unlocked phones don't come with a warranty (I bought mine that way), he actually said that they couldn't repair it anyway because unlocked phones are actually built differently and use different parts. To which I laughed. But anyway, I now need to find a way to fix this problem.
Thanks.
Click to expand...
Click to collapse
I actually did this with the edge of a cardboard card, ever so slightly but so far the problem seems to have gone away. Not promising anything though, and is probably only a temporary solution. I think what happens is the contacts between the connector in the middle of the port comes slightly into contact with the bottom through wear and tear over time and they short each other out, so by pressing it up a bit you prevent that from happening.
If you know how to decompile/recompile apk's...
/system/framework/framework-res.apk can be decompiled...
Then under /res/values/bools.xml/ you can edit the line "unplugTurnsOnScreen" to false.
I don't see a "plug in" version...but maybe this does both?
Either way...it cuts the amount of screen wakes in half.
I wouldn't recommend doing this, however...I'd get it returned.
Your problem might only get worse.
Same problem here, did you find a solution for that?
bumluffa said:
Hi XDA,
Recently my phone has come up with a problem with the USB charging port where it thinks it is charging when it is not plugged in every few seconds. This causes the screen to wake every few seconds and then turn off to sleep, then re-awake again repetitively, draining the battery very quickly.
I'm not sure of any way to fix this problem except maybe send it back to the manufacturer for warranty and repair (which is difficult for me to do as I have already voided the warranty through rooting), or maybe buy a replacement USB port and try fix it myself. Does anyone know of any other simple and effective ways for me to fix this?
Aside from this, in the meantime I would like to know if there is any way I can prevent the screen from waking up when the phone thinks it is being charged, thus when the phone does its charging/not charging cycle, it doesn't wake up the screen every 15-20 seconds and so won't lead my battery to drain from this.
Any help would be greatly appreciated, thanks!
Click to expand...
Click to collapse
I thought I'd share my experience with this, as I've seen posts in the past relating to a water damaged phone boot looping and I don't think I've seen a proper solution given.
First thing's first, this advice is in relation to a very specific type of boot looping. Nothing to do with rooting, or software bugs. This is boot looping that has come about as a result of water damage. It may not have been long, maybe a couple of seconds in the toilet or some brief rain exposure. Whatever it is, you know your phone has been exposed to some water and it has begun boot looping. There will be no way to get out of it, as the phone boots for 2/3 seconds max before looping all over again. Even when you go into recovery, same thing, automatically boot loops.
Most people, including the official HTC Service Centre, will tell you the motherboard is fried and needs replacement. Whilst it is possible that may be true, it isn't guaranteed. It's an easy way out for HTC, as they can charge you an extortionate price for a new motherboard and not have to bother going through the work of taking the phone apart to find out what is wrong.
The solution may be much simpler - the Power Flex Cable. This is a very small cable that goes along the top of your phone. WHen water damaged, this cable can become damaged, causing a constant boot loop. The reason being it constantly tells the phone the power button is on, causing a constant on/off cycle. In this instance the motherboard is fine and you can get a replacement Flex Cable for less than £5!
There is an easy way to tell whether the Flex Cable is the likely cause of your looping. When the phone is looping, hold down the down volume button only. Don't touch the power button. If your phone still goes into recovery (then loops again) then it is entirely possible your Flex Cable is damaged, not your motherboard.
Next step, order a Flex Cable (they are easy to find). When it arrives, you will need to open your phone (there are guides on YouTube for this), detach the motherboard and replace the Flex Cable. An advance warning, this isn't easy and you have to be extremely careful. One bad move and your phone is history. The motherboard is delicate. If you look around the internet you will find guides which show how the HTC One X is configured. Note that the Flex Cable is behind the motherboard and quite awkward to get off. I would post a couple of links but as a new member I'm not allowed! PM me and I'm happy to share some helpful links though.
You'll know quickly if this has worked. When connecting your phone it will no longer loop. Let it charge for a little while, then power on and hope for the best. If the Flex Cable was the problem your phone will reboot, and you will be able to use it and get your data off.
Note that water damage can have long lasting effects on a mobile phone. Whilst this may solve the problem for a while, it's entirely possible your phone will fail at some point down the line. Prepare for that and make sure you back up accordingly. The above advice may give you a lifeline in getting data off your phone, though, and being able to use it for a little longer. I know that when I was looking around the net I only found this advice by chance, and I think it was on a non-phone related forum. This advice may exist on the forum somewhere but if so it isn't so easy to find. I hope somebody may come across this topic when trying to fix their water damaged phone and find it is the solution.
Good luck!
Same symptoms, but no water damage
Hey man,
Thanks a ton for your post. I have the same issue, as in it won't stop booting at all. However, mine didn't happen because of water damage, but when I tried to do a factory reset (the phone was only on 5% charge so I'm not sure if that screwed it up). Do you think it could still be solved with a flex cable? I tried holding just the volume button down, and it does go into the bootloader so it seems pretty much exactly like what you have described!
Cheers
My only experience with replacing the flex cable comes from water damage, I'm not sure whether a software fault (as this appears to be) could have any effect on the cable itself!
When you get into the bootloader screen, does it just cycle all the way through to fastboot without allowing you to select any other options before rebooting? If so it would suggest your phone thinks the power button is constantly pushed down, which is suggestive of a power flex cable fault.
These cables are very cheap to buy, so if you aren't able to do anything else with the phone it's definitely worth a shot, even if it doesn't work. Just remember that opening the phone voids your warranty, and be careful if you do attempt it, as the insides of the One X are quite delicate. It would be very easy to break something!
de4life said:
My only experience with replacing the flex cable comes from water damage, I'm not sure whether a software fault (as this appears to be) could have any effect on the cable itself!
When you get into the bootloader screen, does it just cycle all the way through to fastboot without allowing you to select any other options before rebooting? If so it would suggest your phone thinks the power button is constantly pushed down, which is suggestive of a power flex cable fault.
These cables are very cheap to buy, so if you aren't able to do anything else with the phone it's definitely worth a shot, even if it doesn't work. Just remember that opening the phone voids your warranty, and be careful if you do attempt it, as the insides of the One X are quite delicate. It would be very easy to break something!
Click to expand...
Click to collapse
I had to replace my power flex cable when I was changing my battery as I accidentally snapped it.
Kahun said:
I had to replace my power flex cable when I was changing my battery as I accidentally snapped it.
Click to expand...
Click to collapse
It's very easy to do, the flex cable is a fragile piece. There are quite a few parts inside the HOX which could easily snap, which is why I always urge a lot of caution when opening the phone up!
de4life said:
I thought I'd share my experience with this, as I've seen posts in the past relating to a water damaged phone boot looping and I don't think I've seen a proper solution given.
First thing's first, this advice is in relation to a very specific type of boot looping. Nothing to do with rooting, or software bugs. This is boot looping that has come about as a result of water damage. It may not have been long, maybe a couple of seconds in the toilet or some brief rain exposure. Whatever it is, you know your phone has been exposed to some water and it has begun boot looping. There will be no way to get out of it, as the phone boots for 2/3 seconds max before looping all over again. Even when you go into recovery, same thing, automatically boot loops.
Most people, including the official HTC Service Centre, will tell you the motherboard is fried and needs replacement. Whilst it is possible that may be true, it isn't guaranteed. It's an easy way out for HTC, as they can charge you an extortionate price for a new motherboard and not have to bother going through the work of taking the phone apart to find out what is wrong.
The solution may be much simpler - the Power Flex Cable. This is a very small cable that goes along the top of your phone. WHen water damaged, this cable can become damaged, causing a constant boot loop. The reason being it constantly tells the phone the power button is on, causing a constant on/off cycle. In this instance the motherboard is fine and you can get a replacement Flex Cable for less than £5!
There is an easy way to tell whether the Flex Cable is the likely cause of your looping. When the phone is looping, hold down the down volume button only. Don't touch the power button. If your phone still goes into recovery (then loops again) then it is entirely possible your Flex Cable is damaged, not your motherboard.
Next step, order a Flex Cable (they are easy to find). When it arrives, you will need to open your phone (there are guides on YouTube for this), detach the motherboard and replace the Flex Cable. An advance warning, this isn't easy and you have to be extremely careful. One bad move and your phone is history. The motherboard is delicate. If you look around the internet you will find guides which show how the HTC One X is configured. Note that the Flex Cable is behind the motherboard and quite awkward to get off. I would post a couple of links but as a new member I'm not allowed! PM me and I'm happy to share some helpful links though.
You'll know quickly if this has worked. When connecting your phone it will no longer loop. Let it charge for a little while, then power on and hope for the best. If the Flex Cable was the problem your phone will reboot, and you will be able to use it and get your data off.
Note that water damage can have long lasting effects on a mobile phone. Whilst this may solve the problem for a while, it's entirely possible your phone will fail at some point down the line. Prepare for that and make sure you back up accordingly. The above advice may give you a lifeline in getting data off your phone, though, and being able to use it for a little longer. I know that when I was looking around the net I only found this advice by chance, and I think it was on a non-phone related forum. This advice may exist on the forum somewhere but if so it isn't so easy to find. I hope somebody may come across this topic when trying to fix their water damaged phone and find it is the solution.
Good luck!
Click to expand...
Click to collapse
Thanks. I've already taken the back off and noticed some broken bits of plastic...from the back....but I did notice a bit of ribbon that looked a bit screwed up....I'm gonna take it to the gizmo wizard to fix once I buy a new power flex cable.
Good luck!
Another thing to try
de4life said:
Good luck!
Click to expand...
Click to collapse
Old thread I know but thought it was worth adding that with a water damaged phone the issues can result from the fact that tap water contains minerals which can leave a conductive residue when it dries - can change resistances, cause shorts etc. What I've done previously is used isopropyl alcohol (tape head cleaning fluid) with a toothbrush on the motherboard. Brought a phone back to life. This removes the mineral deposits and cleans everything. Had to remove the metal covers from the mobo first though. If a phone is basically dead or not working right after water damage then it's worth a go. As de4life says, just need to be super careful on the HOX with all the delicate ribbon cables.
Indeed, the phone should be thoroughly clensed if possible to wipe out any corrosive liquids left behind from the water (especially if it's dropped in an ocean). The effects of corrosion can be very slow and potentially last for months.
M8 please reply to this all the flex cables that I found are 40$+ can you give me a link for one as you stated that would cost 5 pounds
It worked
It worked! I replaced the power flex cable with a spare one on my HTC One X, previously damaged by being sucked by my one year old son - water damage.! It worked!
Many thanks to you man!
IamNewBee said:
Many thanks to you man!
Click to expand...
Click to collapse
Wondering if this is the right cable?
http://www.ebay.com/itm/New-Power-O...972183?hash=item27d4be6597:g:n6AAAOSw9GhYbb-y
Thanks!
Thank you!
de4life said:
I thought I'd share my experience with this, as I've seen posts in the past relating to a water damaged phone boot looping and I don't think I've seen a proper solution given.
First thing's first, this advice is in relation to a very specific type of boot looping. Nothing to do with rooting, or software bugs. This is boot looping that has come about as a result of water damage. It may not have been long, maybe a couple of seconds in the toilet or some brief rain exposure. Whatever it is, you know your phone has been exposed to some water and it has begun boot looping. There will be no way to get out of it, as the phone boots for 2/3 seconds max before looping all over again. Even when you go into recovery, same thing, automatically boot loops.
Most people, including the official HTC Service Centre, will tell you the motherboard is fried and needs replacement. Whilst it is possible that may be true, it isn't guaranteed. It's an easy way out for HTC, as they can charge you an extortionate price for a new motherboard and not have to bother going through the work of taking the phone apart to find out what is wrong.
The solution may be much simpler - the Power Flex Cable. This is a very small cable that goes along the top of your phone. WHen water damaged, this cable can become damaged, causing a constant boot loop. The reason being it constantly tells the phone the power button is on, causing a constant on/off cycle. In this instance the motherboard is fine and you can get a replacement Flex Cable for less than £5!
There is an easy way to tell whether the Flex Cable is the likely cause of your looping. When the phone is looping, hold down the down volume button only. Don't touch the power button. If your phone still goes into recovery (then loops again) then it is entirely possible your Flex Cable is damaged, not your motherboard.
Next step, order a Flex Cable (they are easy to find). When it arrives, you will need to open your phone (there are guides on YouTube for this), detach the motherboard and replace the Flex Cable. An advance warning, this isn't easy and you have to be extremely careful. One bad move and your phone is history. The motherboard is delicate. If you look around the internet you will find guides which show how the HTC One X is configured. Note that the Flex Cable is behind the motherboard and quite awkward to get off. I would post a couple of links but as a new member I'm not allowed! PM me and I'm happy to share some helpful links though.
You'll know quickly if this has worked. When connecting your phone it will no longer loop. Let it charge for a little while, then power on and hope for the best. If the Flex Cable was the problem your phone will reboot, and you will be able to use it and get your data off.
Note that water damage can have long lasting effects on a mobile phone. Whilst this may solve the problem for a while, it's entirely possible your phone will fail at some point down the line. Prepare for that and make sure you back up accordingly. The above advice may give you a lifeline in getting data off your phone, though, and being able to use it for a little longer. I know that when I was looking around the net I only found this advice by chance, and I think it was on a non-phone related forum. This advice may exist on the forum somewhere but if so it isn't so easy to find. I hope somebody may come across this topic when trying to fix their water damaged phone and find it is the solution.
Good luck!
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Thank you very much for typing this out! My Google Pixel OG (2016), which was made by HTC, experienced the exact same problem. I have just fixed it by replacing the power flex cable like you suggested.
lazinase said:
Thank you very much for typing this out! My Google Pixel OG (2016), which was made by HTC, experienced the exact same problem. I have just fixed it by replacing the power flex cable like you suggested.
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I was surprised to get a notification for this old thread! I'm glad this worked for you. I had no idea HTC used the same design for the original Pixel.