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Lock button problem.

Hello, I'm having the famous Cappy lock button problem (the one where said button doesn't work). It's not a physical problem (unless a contact has died somewhere on my motherboard) because my button feels the same as it did the day I got this phone. I've also never had any kind of problem with my power button before. I did get my phone secondhand from a friend which voided the warranty. The only way I can turn the screen on is by plugging it in or removing and replacing the battery. The only way it turns off is by timing out.
Help guys, I need some answers!
Thanks in advance.
P.S. I already tried the camera app trick and to no avail. I also can't do anything in recovery mode because the power button is also the selection button.

My button started acting up. I used a can of compressed air to spray into the edges of the button, and it's been working great ever since.
Sent from my SAMSUNG-SGH-I897 using xda premium

OP,
Check out mobiletechvideos.com for the repair.
Sent from my SAMSUNG-SGH-I777 using xda premium

This is All very helpful, but I don't think that it is a hardware issue. I'll try all these things that you have suggested and we'll see to certain.

When you take the battery out then put it back in does it automatically turn on? If so the power button needs to be replaced....at least that's what mine and a lot of others I've seen was doing.

birdbrain40k said:
This is All very helpful, but I don't think that it is a hardware issue. I'll try all these things that you have suggested and we'll see to certain.
Click to expand...
Click to collapse
It's a hardware issue. What else would it be?
Sent from my SGH-I897 using XDA

just disassemble it and clean the button. I had same problem on my volumn down button.
Sent from my GT-I9000 using XDA

I took it apart and the motherboard was surprisingly clean. I was expecting it to be dustier, but everything looked fine. I'm now thinking it could be a micro-fracture on a solder contact. I still haven't sprayed keyboard cleaner directly on the button, so maybe I don't have to buy a whole new motherboard.

mschandler76 said:
When you take the battery out then put it back in does it automatically turn on? If so the power button needs to be replaced....at least that's what mine and a lot of others I've seen was doing.
Click to expand...
Click to collapse
Did you replace the button yourself? I have been without my lock button for about a year now and I have kind of gotten used to it, but if the process of replacing it is fairly simple than I may just do that myself! Also where did you purchase your new lock button?

i727 skyrocket stuck in continous reboot loop and doesnt get past start screen

I I have a Samsung Galaxy S2 Skyrocket i727 (with stock firmware and ROM), i dont have a SD card and not too many apps installed either, maybe 10-15 apps at most. Today while the phone was in my pocket it just went into this continous reboot cycle, it reboots, gets to the AT&T splash screen and then reboots again and then this goes on forever.
I googled the hell out of this issue but cant seem to find a solid solution and hence hoping u guys can help.
I cannot get into recovery mode cause it never gets past the splash screen
I cannot seems to perform a hard reset (power button + volume key) , it just reboots again.
I tried plugging the phone and connecting via USB but it doesnt help either, it reboots before the computer can detect the phone.
Hope u guys can help ? life without android is no fun...

Stuck power button
Sent from my SGH-I727 using Tapatalk 2

The_Blue_Waffle said:
Stuck power button
Sent from my SGH-I727 using Tapatalk 2
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Click to collapse
anyway to fix it or m i close to a paperweight by now. I do not have warranty on this phone
I explored the stuck power buton option and lightly banged the phoen around in hopes that it would let loose but no luck.

The_Blue_Waffle said:
Stuck power button
Sent from my SGH-I727 using Tapatalk 2
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Click to collapse
This. Google "stuck power button Skyrocket" for info on a fix.
Sent from my SAMSUNG-SGH-I727 using xda app-developers app

needle arounf the edges of the button works majority of the time if not then have fun with the google search
Sent from my SAMSUNG-SGH-I727 using xda premium

T.J. Bender said:
This. Google "stuck power button Skyrocket" for info on a fix.
Sent from my SAMSUNG-SGH-I727 using xda app-developers app
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Click to collapse
Hulk Smash

Try a different battery

alienn4hire said:
Try a different battery
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Click to collapse
...
A new battery will do nothing to fix a stuck power button.
Sent from my SAMSUNG-SGH-I727 using xda app-developers app

crashpsycho said:
needle arounf the edges of the button works majority of the time if not then have fun with the google search
Sent from my SAMSUNG-SGH-I727 using xda premium
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Click to collapse
I had this same issue with my LG Phoenix, I tried the needle around the power button, and that popped it back to normal. Apparently I held the button down to a side and it got stuck even though the actual button part was in it's "normal," position.
However it did reboot several more times after I got it unstuck. I did remove the back & battery, & unplugged it. Let it sit for a few minutes, after that I put the USB cable back in, then pressed the power button, put the battery back in and pressed the button again, and it went through the normal reboot process.

Just wanted to give you guys an update that i started cleaning the part around the edges as some folks suggested and that failed. then tried smacking around and blowing air into and that failed. Then took the entire phone apart and cleaned it several times using different techniques and sad to say that it all failed and i m SOL.
Bummer but it is what it is and i was quiet happy with that phone.

asfi99 said:
Just wanted to give you guys an update that i started cleaning the part around the edges as some folks suggested and that failed. then tried smacking around and blowing air into and that failed. Then took the entire phone apart and cleaned it several times using different techniques and sad to say that it all failed and i m SOL.
Bummer but it is what it is and i was quiet happy with that phone.
Click to expand...
Click to collapse
Did you offer up Bacon to the phone as a snackrifice?
I'm sorry that none of these options worked out for you.

Its very easy to open I changed a motherboard for a hard bricked i727 very easy to change power button or unstuck it
Sent from my SAMSUNG-SGH-I727 using xda app-developers app

intelxtreme said:
Its very easy to open I changed a motherboard for a hard bricked i727 very easy to change power button or unstuck it
Sent from my SAMSUNG-SGH-I727 using xda app-developers app
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Where does one find a power button for the skyrocket (the one attached to the motherboard)? The closest thing I could find was this:
http://mobiletechvideos.mybigcommerce.com/samsung-galaxy-s-ii-skyrocket-power-button-repair/
It is a repair service though and I live in Canada, I would prefer if I could just order that part. I have been to few repair shops that cant do anything because this power button is hard to find. I opened up the motherboard and the power button clicks fine, so I think it probably has to be replaced.

Freezing the phone
I had the same issue, came here and read all the things about the stuck power button and needing to replace whatever is beneath it. My friend works in aerospace and had told me about one of the things they need to worry about is temperature causing wire shrinkage due to temperature. For whatever reason, I decided to use that logic and throw my phone in the freezer wrapped in a dry rag. 30min later and the phone finally worked after 8 hours of the boot loop/no boot. That was around November and I haven't had an issue with it since (until today, but it is a different issue).

nobel662 said:
I had the same issue, came here and read all the things about the stuck power button and needing to replace whatever is beneath it. My friend works in aerospace and had told me about one of the things they need to worry about is temperature causing wire shrinkage due to temperature. For whatever reason, I decided to use that logic and throw my phone in the freezer wrapped in a dry rag. 30min later and the phone finally worked after 8 hours of the boot loop/no boot. That was around November and I haven't had an issue with it since (until today, but it is a different issue).
Click to expand...
Click to collapse
can any one else confirm this? my phone keeps shutting off. when the screen is black, itll vibrate every second. im assuming its another stuck power button.

Boot loop!
thilly said:
can any one else confirm this? my phone keeps shutting off. when the screen is black, itll vibrate every second. im assuming its another stuck power button.
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Click to collapse
I have just fixed mine!!!!
There is a little battery on the circuit board when you take apart the phone. It looks like a small watch battery. Top side is and bottom side are opposite polarities.
I had the exact same symptom. Sometimes just pressing the power button momentarily would bring up the power down menu, then I knew to press it a bunch of times because it was stick. If I didn't eventually it would turn off and vibrate constantly. It kept getting worse.
I measured with an ohm meter and the button itself seems fine so I figured maybe the digital logic relating to the button itself is faulty. So I shorted the little battery on the board (do this only for a brief period, no more than 1s) and put it back together.
Its behaving perfectly normally. I was also getting weird artifacts during video playback before, kind of like what failing solder would do on a bga gpu. It fixed that too.
So I think its similar to that problem some laptops have, where it wont turn on until you remove the battery, hold the power button down a couple times, and then plug it in. It seems a complete circuit discharge fixed this problem at least for me.
If people are interested I can try to find a picture
removed link
In that picture its the silver shiny metal circle. To short it you connect the bottom soldered part to the metal plate on top of the battery. This comlpetely drains all circuits.
So I think a lot of these problems are caused by a phantom charge. In any sense, Im very very happy
Also this could explain why the fridge method worked. Cooling the battery can significantly drop its charge, however I would advise against the cooling method if possible.
EDIT: blah cant post links... if anyone needs the image pm me your email

coolerbean said:
Where does one find a power button for the skyrocket (the one attached to the motherboard)? The closest thing I could find was this:
http://mobiletechvideos.mybigcommerce.com/samsung-galaxy-s-ii-skyrocket-power-button-repair/
It is a repair service though and I live in Canada, I would prefer if I could just order that part. I have been to few repair shops that cant do anything because this power button is hard to find. I opened up the motherboard and the power button clicks fine, so I think it probably has to be replaced.
Click to expand...
Click to collapse
You'd need to find a friend or local electronics repair shop, but I ordered some here:
http://www.etradesupply.com/oem-samsung-galaxy-s-ii-skyrocket-sgh-i727-power-button.html.
The buttons are $0.99 USD if you buy 2 or more ($1.05 CAD), but 5-7 day business shipping is like $16.99. Still cheaper than a replacement phone, and it's an easy fix for an electronics person or electronics/tv/computer repair shop... At the rate these power buttons have had reported failures, and for the price, I'd get a couple of them in case the replacement fails in the future...
If my wife keeps squeezing the power button on her phone when some crappy app she has wigs out, I'll be needing my second button sooner rather than later...

why when one person says it something everyone band wagons on that idea. i actually had the same issue my skyrocket couldn't go pass the "samsung" screen. all i did was flash a new rom or i just restored an old backup

phillytothemax said:
why when one person says it something everyone band wagons on that idea. i actually had the same issue my skyrocket couldn't go pass the "samsung" screen. all i did was flash a new rom or i just restored an old backup
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Click to collapse
Then it was user error or a bad flash. And that's software, not hardware.
Skyrocket power buttons are known to fail. I believe Samsung has even acknowledged this.
When your phone randomly goes into a 1-second vibration cycle, sometimes showing the reboot menu beforehand without pressing the button, more than likely it's the power button that has either failed or is sticking.
With my wife's phone, the button was not sticking, and usually lightly tapping the phone at the right angle on your lap or the counter would break the vibration cycle and let it boot up, until the next random power button press and vib cycle would happen.
Button replaced, same exact ROM, and problem gone. :thumbup:
Sent from my SAMSUNG-SGH-I727 using Tapatalk 2

asfi99 said:
I I have a Samsung Galaxy S2 Skyrocket i727 (with stock firmware and ROM), i dont have a SD card and not too many apps installed either, maybe 10-15 apps at most. Today while the phone was in my pocket it just went into this continous reboot cycle, it reboots, gets to the AT&T splash screen and then reboots again and then this goes on forever.
I googled the hell out of this issue but cant seem to find a solid solution and hence hoping u guys can help.
I cannot get into recovery mode cause it never gets past the splash screen
I cannot seems to perform a hard reset (power button + volume key) , it just reboots again.
I tried plugging the phone and connecting via USB but it doesnt help either, it reboots before the computer can detect the phone.
Hope u guys can help ? life without android is no fun...
Click to expand...
Click to collapse
I have a repair shop and i fix these issues with no problem. the only issue im located in Puerto Rico. when the power button gets stuck is because of heavy use, a fall or something that makes a lot of pressure to it and the copper contacts inside the button stay making contact. this is know to happen to i727-i717-i997-i897 and some other galaxy s1 s2 models.
i attached the picture of the power button.

My Volume Button Fell Out!!!

no sense is telling a big long story. I woke up this morning, put my phone in my pocket, went out to my car to plug it into aux, and when i tried to turn the volume up, THERE WAS NO VOLUME BUTTON!!!
Gone. Forever, probably. I'm talking with a Verizon tech rep over the phone and they said this might not be covered under Defect and might have to be replaced through Asurion. I call bullsh*t on that. I'm going to try and find where that button is and take the phone into a Verizon store to prove that this wasn't from dropping it or anything.
Watch out for your volume buttons, folks. they're pesky little things....
UPDATE: Okay... so it just pops back in. solid hold and no issues, but now i'm a little concerned... I've never heard of anyone else having that same issue, but if it happens again, does anyone know of a good route to go for getting a replacement.

Never heard of this. You sure it didn't snagged on anything?
Sent from my SCH-I535 using xda premium

blestsol said:
Never heard of this. You sure it didn't snagged on anything?
Sent from my SCH-I535 using xda premium
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I really don't think so, but it doesn't seem like it's going to fall out again. I'll keep an eye on it and see if I did something that caused it to pop out.
Sent from my sexy phone using XDA Premium

Did you check if it would be safe to super glue it in?
Sent from my SCH-I535 using Tapatalk 2

kench33 said:
Did you check if it would be safe to super glue it in?
Sent from my SCH-I535 using Tapatalk 2
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I thought about that and I don't think the Gore would hold with the constant rocking if the switch. I also don't think it would hurt it. The switch is held in place by two tiny prongs on with side that both look perfectly fine. It looks like the switch might have been pulled out by a stray thread from my pillow (I use my phone as an alarm and just lay it next to my head).
Sent from my sexy phone using XDA Premium

Dat long thumb nail. Lol
Sent from my SCH-I535 using Tapatalk 2

The power button fell off of my wife's phone. VZW replaced under warranty. I immediately got her an Otterbox Commuter case that encloses the power and volume buttons.

Lol its not a big deal. Just buy a new one online, and watch a teardown video and stop at the volume button and do the opposite of what they do
Sent from my SCH-I535 using Tapatalk 2

dberry74 said:
The power button fell off of my wife's phone. VZW replaced under warranty. I immediately got her an Otterbox Commuter case that encloses the power and volume buttons.
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Click to collapse
My power button got snagged on the edge of a case I was taking off last night and came off. I found it on my desk when I got home today and stuffed it back in the hole. All is well so far...

Yeah this happened to my power button too, but i was like watching a youtube vid and flicking the button and felt it pop out, simply pop back in and hasnt fell out since.

My volume button also came off. I'm still not positive how it happened but I think it was when I was removing the case to put in the sd card. This was the third day I had the phone so I went back to Verizon and talked to them. They said they don't have parts but offered to replace the phone. They were out of stock on the one I had but said they would call or email when more came in. That night I found the cat playing with the button on the floor of my office and stuck it back in. I have had no issues with it since even though I chance cases on a regular basis depending on need or whim. Verizon did call several days later and offer to do the trade which I told them I didn't need any more.

Never heard of this. I change my case on occasion as well. I will have to be more careful when doing so. Thanks for the heads up.
Sent from my SCH-I535 using xda app-developers app

Wyvern49 said:
My volume button also came off. I'm still not positive how it happened but I think it was when I was removing the case to put in the sd card. This was the third day I had the phone so I went back to Verizon and talked to them. They said they don't have parts but offered to replace the phone. They were out of stock on the one I had but said they would call or email when more came in. That night I found the cat playing with the button on the floor of my office and stuck it back in. I have had no issues with it since even though I chance cases on a regular basis depending on need or whim. Verizon did call several days later and offer to do the trade which I told them I didn't need any more.
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Sounds like a made up disillusion
Sent from my SCH-I535 using xda app-developers app

My wife's volume button went missing yesterday. No idea how it happened or where it went
Sent from my SCH-I605 using xda app-developers app

My power button actually popped out last night. I was taking off the case because the phone locked up on me and I had to remove the battery. I removed my case and heard something loose, looked in the case and the power button was sitting there. I am looking for a case now that covers the buttons so i do not lose them at some random point.

Reducing use/wear of power button to prevent fail

The power button is one of he captivate's weak points. I started looking at ways to reduce use of it to head off the problem before it happens. I'm interested to hear what, if anything, others may have done.
Here is my list so far:
1. use a case, such as otterbox commuter, that keeps the button clean and perhaps softens the impact when pressed.
2. use Rebooter app for reboot, reboot to recovery, and power off.
3. In JB, add the screen lock function to the notification bar. I often lock the screen before putting phone in my pocket after use. instead of power button, I tap the icon.
4. in JB, enable the volume rocker wake function. use volume keys to wake the phone.
Locking/unlocking the screen probably accounts for 99% of my power button use. so items 3 and 4 reduce my power button use the most.
Sent from my SGH-I897

laughingT said:
The power button is one of he captivate's weak points. I started looking at ways to reduce use of it to head off the problem before it happens. I'm interested to hear what, if anything, others may have done.
Here is my list so far:
1. use a case, such as otterbox commuter, that keeps the button clean and perhaps softens the impact when pressed.
2. use Rebooter app for reboot, reboot to recovery, and power off.
3. In JB, add the screen lock function to the notification bar. I often lock the screen before putting phone in my pocket after use. instead of power button, I tap the icon.
4. in JB, enable the volume rocker wake function. use volume keys to wake the phone.
Locking/unlocking the screen probably accounts for 99% of my power button use. so items 3 and 4 reduce my power button use the most.
Sent from my SGH-I897
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Click to collapse
To add to this list: Capacitive buttons in recovery.
Imo, case is probably the best solution. The power button is fairly opened to dust/dirt and such. On top of that, if dropped without a case, you multiply your chances of breaking something.
I must say though, I own 2 captivate (both bought about a year and a half ago) and never had any button problems. They have been dropped and got dirty but pretty much always have a case so either I've been very lucky or those cases actually make all the difference!

Button savior also helps.

Anniraff said:
Button savior also helps.
Click to expand...
Click to collapse
Is that an app?
edit:
i see the app on google play. thanks for sharing. I am not sure I want to give up screen real estate as preventative measure, but nice to know about it if ever needed.
Sent from my SGH-I897

Is the power button really such an Achilles heel when it comes to the cappy? I've had mine for over 2 years now, it's used every day, has no case on it and it's been working great... so far.
Is this something that just "fails" or does it actually have to break?

iamzombie said:
Is the power button really such an Achilles heel when it comes to the cappy? I've had mine for over 2 years now, it's used every day, has no case on it and it's been working great... so far.
Is this something that just "fails" or does it actually have to break?
Click to expand...
Click to collapse
Hope you didn't just jinx yourself. It will just fail one day as that's what it did to me. On the bright side having volume rocker wake on ever rom and most roms now including a go to sleep toggle for the notification drawer its easy to work around.
Sent from my SGH-I897 using xda app-developers app

Screen off and lock (free in the play store) will save your power button. No root required.
There are kernels with "touch2wake" that will turn your phone on by touching the capacitive buttons. This of course requires, root, unlock, custom Rom.
Sent from my HTC One X+ using xda app-developers app

I'm on my third Cappy (warrantied) and the first one suffered from the power button death. It was less than a year old at the time. It would work intermittenly at the end and finally quit. I tried taking it apart and spraying electrical cleaner in and around with no success. I had to resort to apps to lock the screen and wake with volume buttons. Hopefully this one will hold out till I'm up for upgrade in March.

I never had any issues with my captivate buttons, but I replaced my nexus S twice, in less than six months, due to a shoddy power button. I'm steering clear of Samsung for a while.
Sent from my HTC One X+ using xda app-developers app

Had one for about 2 years and never had any issues

grotz497 said:
Had one for about 2 years and never had any issues
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Click to collapse
A cappy or NS?
Sent from my Nexus 7 using XDA Premium HD app

Going on 2 yrs too. I drop mine all the time and am shamefully careless with my cappy. It just keeps on going. I do have a seemingly dead or choosy HDMI port but its probably from my toddler sucking on the Phone a few times.
Sent from my SGH-I897 using xda app-developers app

nespid said:
A cappy or NS?
Sent from my Nexus 7 using XDA Premium HD app
Click to expand...
Click to collapse
Cappy. NS had the shoddy power button. Actually, I think I've had my cappy for closer to three years. My brother in law had a cappy and beat the snot out of it and it still worked. Pool twice, dropped from scaffolding, countless drops, and it kept going.
Sent from my HTC One X+ using xda app-developers app

nespid said:
Cappy. NS had the shoddy power button. Actually, I think I've had my cappy for closer to three years. My brother in law had a cappy and beat the snot out of it and it still worked. Pool twice, dropped from scaffolding, countless drops, and it kept going.
Sent from my HTC One X+ using xda app-developers app
Click to expand...
Click to collapse
I swimmed with mine in a pool for about 20mins. Get out of water, freak out a bit, take it a part so it can dry in the sun (not too long), put in bag of rice for 48hrs = Cappy is still running like a champ! Been dropped quite a few times too but has a case. :good:

wow. what case were you using?
Sent from my SGH-I897

laughingT said:
wow. what case were you using?
Sent from my SGH-I897
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Click to collapse
A very regular/boring black soft case that covers the buttons

power button stuck down

its half way down.. i can lightly touch the power button and it will turn the screen on/off.. really becoming frustrating. id like to fix this on my own. any one been through this and have a fix? if i send it back through insurance, will it be completely covered? thank you.

Sounds like the tab the battery button connects to is either broke or simply undone itself. Taking the phone apart is the only way to find out.
Sent from my SCH-I535 using xda app-developers app