Is this a Motherboard problem? - Galaxy S 4 Q&A, Help & Troubleshooting

Good day.
I'm having this random bootloops and sometimes it takes hours to boot back to OS. And recently I've been having this screen problems while booting up...
http://imgur.com/a/3LSew
Any idea? Thanks :good:

Could be a motherboard issue. Have you disaasembled the phone to check for loose connections or possible moisture problems? When did the problems start? Which ROM is on the phone?

Hi. It's on Lollipop (stock), problem started before I even upgraded. It was bootloop problem at first, which the phone won't boot up for hours. Once the phone boots up, it's all about making sure phone won't reboot or else there's a big chance it will not boot to OS again.

pipskie said:
Hi. It's on Lollipop (stock), problem started before I even upgraded. It was bootloop problem at first, which the phone won't boot up for hours. Once the phone boots up, it's all about making sure phone won't reboot or else there's a big chance it will not boot to OS again.
Click to expand...
Click to collapse
Has your phone ever taken a bath? Because such problems occur when it has had one.

DeepankarS said:
Has your phone ever taken a bath? Because such problems occur when it has had one.
Click to expand...
Click to collapse
I thought about that but nope, no bathing took place

Was the phone ever dropped or bumped? I suggest opening the phone to get access to the motherboard connections and checking for signs of physical damage or loose connections.

audit13 said:
Was the phone ever dropped or bumped? I suggest opening the phone to get access to the motherboard connections and checking for signs of physical damage or loose connections.
Click to expand...
Click to collapse
I opened the phone and checked for loose connections but still having the same problem.

Well, it could be a screen problem or a motherboard problem. The only way to really find the problem would be to swap the motherboard for a working board. This is what I have done in the past.

Yeah that's what I have in mind. Thank you.

Oh by the way I forgot to mention, by the time those in the pictures starts to happen, phone starts to heat up fast. I think it's the Power Management IC
And if I boot up TWRP, everything seems to be working just fine.

Could it be a battery/power problem that is causing the phone to heat up?

Could be the Power Management IC thing...

Related

[Q] HD2 won't turn on — short vibration and black screen

Hi everyone,
I would really appreciate it if you could give me an advice for my TMOUS HD2 P81120, that won't turn on.
I bought it with some firmware problems, spent plenty of time flashing it and finally managed to install a stock ROM from SDCARD using a fridge (it couldn't install w/o such cooling).
After that, it booted to white splashscreen with pink logo (smth like "Bringing happinness", don't remember the text) and stuck on it. I rebooted, flashed HSPL 2.08 successfully.
After that the device won't turn on at all. When I hold the Power button, all I get a barely sensible short vibration, but the screen stays completely black, no signs of life. I kept it on AC charger overnight — nothing has changed. When I hook it to the charger w/o the battery, and put the battery in, HD2 powers on itself (same short vibration, no other signs of life). Tried removing the sdcard, different combinations of power-ons, still nothing. Tried freezing it again for 5-10 mins — still no luck.
Please let me know what else I can try.
and one more thing — when I plug the USB, the PC doesn't detect any device.
It seems that a JTAG is my last resort, still I'm not sure I can find the hardware for that.
kitjarik said:
and one more thing — when I plug the USB, the PC doesn't detect any device.
It seems that a JTAG is my last resort, still I'm not sure I can find the hardware for that.
Click to expand...
Click to collapse
same sh*t her pall
the problem is that your HD2 are overheating so the only thing thats left in your case is to replace motherboard
BobbyManifesto said:
the problem is that your HD2 are overheating so the only thing thats left in your case is to replace motherboard
Click to expand...
Click to collapse
Good point!
Make sure that none of the three pins on the phone that touch the battery are bent. One of the causes of constant reboot is when one of those pins are not touching the battery. Please let me know if it worked for you...
meb786 said:
Make sure that none of the three pins on the phone that touch the battery are bent. One of the causes of constant reboot is when one of those pins are not touching the battery. Please let me know if it worked for you...
Click to expand...
Click to collapse
That were definitely not the battery pins.
If anyone cares - here's how it ended (or not yet )
I found a JTAG service in my city, they wanted 50$ to restore the device to a working condition. I agreed, they took the phone. After that they've called me and said they have restored the bootloader, but can't make HD2 actually boot (they flashed stock ROM directly through JTAG, but it always got stuck on "Stick Together Screen". Now I understand I have probably flashed the wrong rom/radio — that's what has bricked it. I paid them 7$ for "diagnostics" and got back a phone with a working bootloader.
After that, I used the "fridge" method to flash latest radio for HD2 and some custom Win6.5.3 ROM (10 mins of fridge before each step). Then I cooled it again and put the cold phone on a frozen chicken (still laughing on that). Guess what — it booted into WM6.5, I even managed to make a call, though it rebooted in 3-5 mins. Overheating problems confirmed, at least it's not a complete brick.
What I've done now is found a guy that will try to "reball" the CPU's BGA - sort of "reheat" the chip to get a firm contact of it with the motherboard, and solve the heat problems. He'll call me today and let me know how it went — i'll update this topic.
As a conclusion, I can only say: "Check three times what you're flashing before you actually are flashing". Otherwise, JTAG is a wonderful "resurrection" solution, although a bit pricey (my case is pure luck).

Phone instantly reboots?

I was listening to an audiobook when my phone suddenly died. It would not start back up, so I removed the battery. When I replaced the battery, the samsung logo would pop up but after about a second it would go black again. It will not start again until I remove/replace the battery, at which point it does the one second shutdown again.
At one point I got the phone to boot (no idea what I did differently) and I noticed that it got very hot around the camera area before going black again. A second time I was able to get into recovery, where I did a factory reset. Booted back up and it seemed to be okay, but then heated up very quickly and shut down.
Now, even if the phone is totally cool, I cant get past that 1 second of samsung logo. I'm really at a loss here, and totally screwed without my phone because I am traveling non-stop for the next 2 weeks. Does anyone know how I might try to troubleshoot this? Thanks
Possibly flash a new ROM and start over. That's what I would do
This EXACT situation happened to me yesterday! I was streaming from Google music, it was on the charger and things were fine. A call came in and the phone started vibrating like crazy and wouldn't stop. The screen went black and it kept vibrating. Finally it went off. On boot it will get to my lock screen and then crash after about 30 seconds. If I take the battery out and try again it lasts another few seconds after boot. If I leave it for a LONG time with the battery out and restart it I can get like 2 mins on the next boot without it crashing. The top part by the camera is getting hot on my phone as well. Recovery mode and download mode start fine and the phone doesn't crash. I have some data on the internal that I want to save so I tried to use Odin to flash the most recent build L720VPUFNG2 as that would just install the OS and not touch the data. On the next reboot things seemed to be working fine and I got maybe 5 mins out of the phone before it crashed again. I still don't have enough time to get the data off so I think I'm just going to say screw it and wipe it completely. You guys know of a way I can backup this app data using Odin or recovery mode? My phone is currently unrooted. I'm new to all this tinkering stuff. Phone is out of warranty now anyway.
Threw on a custom recovery, backed up all my data, did a full wipe, now I am good as new.
It worked for awhile but now it is back to rebooting itself. Any idea what could be the issue? I'm assuming at this point it is hardware related. Why can recovery and download mode run consistently without crashing but when an os is fired up it has issues? If it was a hardware issue shouldn't it not work across the board?
So I had Sprint replace my phone on the 8th. I have been using my same batteries (1 stock 1 Anker) and chargers (some stock some not) without issue the past 5 days. I rooted and installed xposed and some modules (original broken phone was never rooted and was completely stock). Things were going great until tonight when it started reboot looping exactly like the old phone. I switched battery and same proble. After I took the battery out and left it out awhile it fired back up but I'm afraid the problem will return. Is it possible that the battery or charger randomly are causing damage to the phone? I only have 14 day warranty on this replacement and need to figure this out.
I have no idea maybe try just using your stock battery for a couple days. See how that goes then use your other battery for a couple days and see what happens.
i7vSa7vi7y said:
I have no idea maybe try just using your stock battery for a couple days. See how that goes then use your other battery for a couple days and see what happens.
Click to expand...
Click to collapse
I think it was one of the xposed modules causing the issue. I realized the rebooting seemed to happen whenever I pressed the power button. I had installed a power menu module so perhaps it was the cause. I restored from a nandroid and uninstalled that module and things seem to be working now. Hopefully that was the cause and this thing won't start acting up again after the return period.
killerz298 said:
I think it was one of the xposed modules causing the issue. I realized the rebooting seemed to happen whenever I pressed the power button. I had installed a power menu module so perhaps it was the cause. I restored from a nandroid and uninstalled that module and things seem to be working now. Hopefully that was the cause and this thing won't start acting up again after the return period.
Click to expand...
Click to collapse
That makes a lot of sense. Have to be careful with those Xposed modules. Don't get too carried away installing so many at one time and playing with them and then rebooting. You'll have a hard time figuring out which one is causing it. I'm pretty sure you found your problem.
i7vSa7vi7y said:
That makes a lot of sense. Have to be careful with those Xposed modules. Don't get too carried away installing so many at one time and playing with them and then rebooting. You'll have a hard time figuring out which one is causing it. I'm pretty sure you found your problem.
Click to expand...
Click to collapse
That is exactly what I did I installed like 6 at once and things were working well for a few hours then disaster stuck. I think I won't play with this phone anymore as I am upgrading anyway and want to sell it in working order.
So things were going well for awhile and then the reboot loops started up again. I did some digging and read that apparently Samsung phones are notorious for sticking power buttons and the symptoms were exactly what I was experiencing. I watched some videos online how to open the phone and clean out the power button but it didn't make a difference. I then read that squeezing the connector for the power button with a pair of pliers sometimes does the trick. Not for me. So finally since I'm not under warranty, have no insurance, and the phone wasn't working anyway, I just ripped the white plastic part of the power button right off. Well, that seemed to do the trick. Phone immediately fired back up without issue and has been going strong. I glued a small thin piece of plastic where the old one used to be and I am back in action. If my little plastic piece solution eventually fails or breaks off I will consider soldering on a new button but so far so good.
If you have tried everything else, and are looking for last resort, try cleaning the power button with some alcohol, and if that fails, rip off that power button! Here is the video that gave me the idea: https://www.youtube.com/watch?v=3Glllc7bEJs and here are some other power button videos: https://www.youtube.com/results?search_query=s4%20power%20button&search_type=&aq=f&oq=

Galaxy S4 sudden died out

Hi, my Galaxy S4 suddenly died out while I was using it halfway. It was still charging (actually 100% already). The phone blackout and I couldnt turn it on.
Here's what I tried:
1) pull out battery and wait for a while then put it back and power on
Result: nothing happens
2) same as 1) but with another spare battery
Result: nothing happens
3) let it charge (to power socket) and waited for about 15 mins
Results: the top side of the phone was warm (beside the microSD slot) and I still cannot power on.
Is this phone useless already?
b_ongzhenyu said:
Hi, my Galaxy S4 suddenly died out while I was using it halfway. It was still charging (actually 100% already). The phone blackout and I couldnt turn it on.
Here's what I tried:
1) pull out battery and wait for a while then put it back and power on
Result: nothing happens
2) same as 1) but with another spare battery
Result: nothing happens
3) let it charge (to power socket) and waited for about 15 mins
Results: the top side of the phone was warm (beside the microSD slot) and I still cannot power on.
Is this phone useless already?
Click to expand...
Click to collapse
Hi mate
Sorry to hear what happen .
Question after you switched to phone on and waited maybe 1-2 min did you try to connect it to the pc, see if the system is alive if you have access to your files.....if so the phone is ok..but maybe the screen is dead or something is loose inside.
MAX 404 said:
Hi mate
Sorry to hear what happen .
Question after you switched to phone on and waited maybe 1-2 min did you try to connect it to the pc, see if the system is alive if you have access to your files.....if so the phone is ok..but maybe the screen is dead or something is loose inside.
Click to expand...
Click to collapse
I didn't hear any sound or vibration when I switch it on. I have not try connecting to PC but even if I could, the phone has password lock so I still cannot access unless I unlock the phone
b_ongzhenyu said:
I didn't hear any sound or vibration when I switch it on. I have not try connecting to PC but even if I could, the phone has password lock so I still cannot access unless I unlock the phone
Click to expand...
Click to collapse
The idea is to find out if the problem is the phone or the display , if the pc recognices the phone it means that the phone works...no real need to acces your files
If it does not then your problem is in the electronics and not in the display......just an idea
MAX 404 said:
The idea is to find out if the problem is the phone or the display , if the pc recognices the phone it means that the phone works...no real need to acces your files
If it does not then your problem is in the electronics and not in the display......just an idea
Click to expand...
Click to collapse
I tried connecting to PC and it does not detect anything. It gets hot beside the microSD slot.
b_ongzhenyu said:
I tried connecting to PC and it does not detect anything. It gets hot beside the microSD slot.
Click to expand...
Click to collapse
mate ,
it looks like a hardware problem take it toSamsung if in warranty still or to a local service center...
I had a similar problem in the past and it ended up being my power button was malfunctioning. It was apparently just stuck in an off/on loop but not showing anything on screen....
Look like mainboard short circuit since top side of the phone got warm and also I assumed from op that display never show anything again.
NonXtreme said:
Look like mainboard short circuit since top side of the phone got warm and also I assumed from op that display never show anything again.
Click to expand...
Click to collapse
MAX 404 said:
mate ,
it looks like a hardware problem take it toSamsung if in warranty still or to a local service center...
Click to expand...
Click to collapse
Is there hope of getting back all the data if it can be repaired? Around how much will it cost? My warranty finished about a month ago
Playzoid said:
I had a similar problem in the past and it ended up being my power button was malfunctioning. It was apparently just stuck in an off/on loop but not showing anything on screen....
Click to expand...
Click to collapse
If this case, it would be switching off and on all the time? At least showing something on the screen?
b_ongzhenyu said:
Is there hope of getting back all the data if it can be repaired? Around how much will it cost? My warranty finished about a month ago
If this case, it would be switching off and on all the time? At least showing something on the screen?
Click to expand...
Click to collapse
Sorry mate , if the phone is not switching on and or is not recogniced by pc i really doubt it, after is fix most likely you will be able.
How much is hard to say.....
MAX 404 said:
Sorry mate , if the phone is not switching on and or is not recogniced by pc i really doubt it, after is fix most likely you will be able.
How much is hard to say.....
Click to expand...
Click to collapse
So how do I fix it?
b_ongzhenyu said:
So how do I fix it?
Click to expand...
Click to collapse
hi
as i said before ...take it to a local service center, could be samsung or a local repair shop

[URGENT]Samsung Galaxy S4 GT-I9505 Stuck in bootloop

Hey XDA members
I need urgent help to help me restore access to my phone, as you can see in the title my device is stuck on the Galaxy S4 Screen, wont go further (apart from a few lucky times hardly ever and will restart anyway).
I have no idea how this happened, my phone is fully stock, not custom roms or root or anything. i was just using my phone normally and all of a sudden it turned off and it just happened from there on, its been happening all day and it has really p****d me off because i am unable to keep up with work now and my phone pays a vital part in my life.
It's not water damaged as far as i know and i cant even factory reset it because it freezes in the process of going into system recovery mode and restarts, same goes for download mode. i really dont know what to do the PC Doesn't recognize it anymore either and its not got warranty.
The only possible thing i can think that has gone wrong is i was charging my phone in the USA Whilst i was there during the summer. but that was about 6 weeks ago and it just happens so randomly so i doubt it could be that..
Has anyone has a similar problem and can give me any solutions or advice i would greatly appreciate it.
- Kind Regards.
ThePlacid said:
Hey XDA members
I need urgent help to help me restore access to my phone, as you can see in the title my device is stuck on the Galaxy S4 Screen, wont go further (apart from a few lucky times hardly ever and will restart anyway).
I have no idea how this happened, my phone is fully stock, not custom roms or root or anything. i was just using my phone normally and all of a sudden it turned off and it just happened from there on, its been happening all day and it has really p****d me off because i am unable to keep up with work now and my phone pays a vital part in my life.
It's not water damaged as far as i know and i cant even factory reset it because it freezes in the process of going into system recovery mode and restarts, same goes for download mode. i really dont know what to do the PC Doesn't recognize it anymore either and its not got warranty.
The only possible thing i can think that has gone wrong is i was charging my phone in the USA Whilst i was there during the summer. but that was about 6 weeks ago and it just happens so randomly so i doubt it could be that..
Has anyone has a similar problem and can give me any solutions or advice i would greatly appreciate it.
- Kind Regards.
Click to expand...
Click to collapse
Your power button is stuck/faulty. Try to wiggle it loose or replace it.
Lennyz1988 said:
Your power button is stuck/faulty. Try to wiggle it loose or replace it.
Click to expand...
Click to collapse
YEHH I tried that, i also tried taking the phone apart and powering it on without the powerbutton but still its the same it freezes on that screen, i tried a new battery same outcome. what can i do guys?someone must be able to help
Had the same with 4.4.2. Do a factory reset, should work. Although all of your data is gone that way.
I suspect you have a hardware problem. Take it to your nearest repair centre.
mathieu3004 said:
Had the same with 4.4.2. Do a factory reset, should work. Although all of your data is gone that way.
Click to expand...
Click to collapse
Thanks for your help, although i cant access System Recovery because: 1. it either freezes whilst it's loading, 2. the phone turns off before it even tries to load
thundastruck said:
I suspect you have a hardware problem. Take it to your nearest repair centre.
Click to expand...
Click to collapse
Thanks for your help,
I also suspected it was a hardware problem but im trying to figure out what exactly is wrong, i was guessing a short circuit but i cant be entirely sure, do you think it could be something else?
ThePlacid said:
Thanks for your help,
I also suspected it was a hardware problem but im trying to figure out what exactly is wrong, i was guessing a short circuit but i cant be entirely sure, do you think it could be something else?
Click to expand...
Click to collapse
The simple answer is no, I don't.
Considered the info provided I think you're out of options, unfortunately. Sorry mate, repair centre is my humblest opinion.

My A1 "died" and i dont know why

Hello folks.
So I left my A1 charging at night, the alarm woke me up as usual in the morning. Just before leaving home I took it to check the time and then it was already "dead".
PS: The phone was never been knocked over, wet etc...
Symptoms:
- Black screen, as if was turned off / without battery;
- Buttons do not work;
- Doesn't react to any connections.
- Doesn't enters fastboot mod;
- It's not recognized by the computer;
- Also not charging.
Any help is welcome, best regards.
happened to me the other day on AEX, after flashing a kernel, turns out it does switch on but I had to press the power button for quite some time and then it switched off again upon minutes from switching on. I entered the recovery with the same method and installed another kernel, it works fine now
SALVO9 said:
happened to me the other day on AEX, after flashing a kernel, turns out it does switch on but I had to press the power button for quite some time and then it switched off again upon minutes from switching on. I entered the recovery with the same method and installed another kernel, it works fine now
Click to expand...
Click to collapse
So, let me get this right, in ur case the phone was still working, u just had tu push the butoms for a little more time?
I tryed it here, power/Power + Vol Down/ Power + Vol Up/ Power + both vol down and up, all of them for more than a minute, nothing happened, not even a single vibration, sound or light. =[
KaioSilvaA1 said:
So, let me get this right, in ur case the phone was still working, u just had tu push the butoms for a little more time?
I tryed it here, power/Power + Vol Down/ Power + Vol Up/ Power + both vol down and up, all of them for more than a minute, nothing happened, not even a single vibration, sound or light. =[
Click to expand...
Click to collapse
Hapenned to me on a moto g 4g
Phone's nand or motherboard was dead...
Use your warranty you look like to have a faulty device especially if you were on stock
Dead-neM said:
Hapenned to me on a moto g 4g
Phone's nand or motherboard was dead...
Use your warranty you look like to have a faulty device especially if you were on stock
Click to expand...
Click to collapse
Damn =[
It's a possibility, but it's strange the phone has like 4 months of use, never had any problem.
I'm willing to try some stuff first, even open the phone to unplug and replug the battery on the mb.
Otherwise at my country (Brazil) Xiaomi has no warranty
I had this problem and it was just due to an loose flex cable. Try opening and reattaching them :good:
JakobSWE said:
I had this problem and it was just due to an loose flex cable. Try opening and reattaching them :good:
Click to expand...
Click to collapse
Oh boy, i hope it's "just" something like that, i'm going after the tools to open it, thk!
KaioSilvaA1 said:
Oh boy, i hope it's "just" something like that, i'm going after the tools to open it, thk!
Click to expand...
Click to collapse
No problem, just two screws att the bortom and use the nails around the edge. Be careful not to break the plastic frame around the screen, it can be quite weak.
JakobSWE said:
No problem, just two screws att the bortom and use the nails around the edge. Be careful not to break the plastic frame around the screen, it can be quite weak.
Click to expand...
Click to collapse
So yesterday a oppened the phone, disatached the flats and atatched then again, unfortunatelly didn't help =[.
We also made some tests and seems like it could be an issue with the battery seems like it's not charging nor receiving any charge.
Seems like the "regulator" of the battery or something like that is not working as it should.
I'm gonna try to test this a in a more acurate way, at least to be sure that it's the battery.
Probably on EDL mode. Try reflashing stock with MiFlash. Helped me once.
luxerinolt said:
Probably on EDL mode. Try reflashing stock with MiFlash. Helped me once.
Click to expand...
Click to collapse
I'm making some research about this "EDL Mode". Hope it works, gonna try this later, thk!
KaioSilvaA1 said:
I'm making some research about this "EDL Mode". Hope it works, gonna try this later, thk!
Click to expand...
Click to collapse
You can try make edl usb cable first, if not work then search mi a1 test point, you'll need to jump 2 point on motherboard with wire/pin.
KaioSilvaA1 said:
So yesterday a oppened the phone, disatached the flats and atatched then again, unfortunatelly didn't help =[.
We also made some tests and seems like it could be an issue with the battery seems like it's not charging nor receiving any charge.
Seems like the "regulator" of the battery or something like that is not working as it should.
I'm gonna try to test this a in a more acurate way, at least to be sure that it's the battery.
Click to expand...
Click to collapse
The phone will power on without any battery attached at all, so remove it and see if you get life. If not, then it's not the battery.
http://en.miui.com/thread-1680467-1-1.html
GVN.Gallus said:
You can try make edl usb cable first, if not work then search mi a1 test point, you'll need to jump 2 point on motherboard with wire/pin.
Click to expand...
Click to collapse
So yesterday i tryed to make the phone enter at the EDL mode, by jumping the 2 points on the motherboard. Unfortunately the computer didn't recognized the phone at all, i'v tryed several times.
I'm starting to think that something related to the the motherboard just died.
I'll lend it to a tecnical that can fix it or at least confirm the death of the phone to me.
CosmicDan said:
The phone will power on without any battery attached at all, so remove it and see if you get life. If not, then it's not the battery.
Click to expand...
Click to collapse
Just tested it yesterday, without success.
Even with the battery disconnected and ubs at computer or charger, the phone still not giving any signal of life.
Does it mean that it must be a serious problem?
KaioSilvaA1 said:
Just tested it yesterday, without success.
Even with the battery disconnected and ubs at computer or charger, the phone still not giving any signal of life.
Does it mean that it must be a serious problem?
Click to expand...
Click to collapse
Hi.
I have got the same issue with my A1 as you. Totally dead after charging. Doesent seem to respond in any way.
Have tried out everything found sugested online so far.
Please give an update if you get it back to life somehow.
Thanks
Knievel
KnieveI said:
Hi.
I have got the same issue with my A1 as you. Totally dead after charging. Doesent seem to respond in any way.
Have tried out everything found sugested online so far.
Please give an update if you get it back to life somehow.
Thanks
Knievel
Click to expand...
Click to collapse
Hello mate.
I'm sry for you phone, at my case i'm starting to believe that the mb/cpu died.
I was thinking that it could be the board at the bottom (ubs, mic jac) but i have been told that it's really rare this to happen.
Yesterday i tested the battery and it's fully charged, (so the battery isn't the problem)
I'm weeling to take it at the end of the week into a tec who can test all the hardware stuff in order to know what actually have failed.
Have u also tryed to engage ur phone at EDL Mode?
KaioSilvaA1 said:
Hello mate.
I'm sry for you phone, at my case i'm starting to believe that the mb/cpu died.
I was thinking that it could be the board at the bottom (ubs, mic jac) but i have been told that it's really rare this to happen.
Yesterday i tested the battery and it's fully charged, (so the battery isn't the problem)
I'm weeling to take it at the end of the week into a tec who can test all the hardware stuff in order to know what actually have failed.
Have u also tryed to engage ur phone at EDL Mode?
Click to expand...
Click to collapse
Hi.
Yep also tried shorting the test points, it does not respond to anything. Just totally dead.
Its sad cause i really loved that phone. I might buy a used cheap one with a broken screen and use its main board or other parts.
Thanks Knievel

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