My iPhone 4s won't shut off, it just restarts itself after a second

I was also having this problem with my iPhone 4S. Usage and standby times were exactly the same, battery was draining rapidly, and the phone would instantly reboot whenever I tried switching it off. For me though, the problem began after I dropped my phone in water - it was only in there for literally a second and I dried it out using the rice trick immediately. The phone never switched off or had any speaker problems etc and everything still worked fine apart from the issues above.

After reading similar problems on forums etc it sounded as though my issues were caused by a dock connector problem and the fact that the pins may be 'shorting'. I tried cleaning the port with a dry toothbrush but this didn't solve anything and I was still having the same problems.

However, I decided to try cleaning the port again last night as a last-ditch attempt. I used a big fat paintbrush with hard bristles and really went to town on the pins on the connector. I scrubbed way harder than I really wanted to and did this for about 5 minutes straight.

Voila - my phone is now working properly again! Usage and standby times are different and I can now switch off the phone without it rebooting.

Hope this works for a few others - remember, scrub HARD!

Same issue iPhone 4S, dropped shortly in the water. Battery usage went up and the phone will not turn off. The only way it can stay off is if it has a cable plugged in.

I tired to scrub, I did pretty hard until I realised one of the pins got derailed. Don't want to lose the phone completely so I guess I just have to live with this.

I had this probleem too (restart immediately after shutdown) and I also had a battery that was emtpy within a few hours.

In my case I had my 30 pins connector replaced. That fixed both my issues for me. I had no warranty but it only cost me 45 euros at the local quick repair store. Definitly worth the try.

I have reviewed all the posts in this forum and tried cleaning the dock connectors, blowing out with compressed air, reset the iphone and restore the iPhone. All to no avail. I replaced the dock connector assembly and it solved the problem. A $7 part fixed the issue. I deconstructed the dock connector and found gunk and corrosion. It took a lot of scrubbing to remove it and I suggest it was not possible in my case to romove the materials that were causing the problem with a toothbrush/compressed air or alcohol. Much easier to replace the Dock unit. Do it yourself or pay the $30 for a pro to do it.

I'm new to this forum but I am so happy I found you gentlemen and ladies. I too was having the same problem over the last three weeks - very poor battery life on my 4S and it would not shut off. I took it to the Apple Genius bar and they did the diagnostics and said battery was still at 90 percentle range so that was not needed. I was told to wipe the phone completely and start over as a new phone. I really didn't want to go through that hassle (losing all my data) so I eventually found this forum and lo and behold people with the same problem. I cleaned my connector very carefully with a sewing needle using a magnifiying glass. I could not believe the "lint" I removed (I carry in my pocket always). After doing the cleaning it still would not shut down so I fould a repair shop and they replaced the connector for $50-the phone shut off with no problem. I charged it to 100% and unplugged it for 12 hours overnite with the Wi-Fi still on. Next morning I checked my battery percentage and it was at 93%!! So far today I have been using it for 6 hours and my battery percentage is at 86%.

Thanks to all you great people for taking the time to talk about and have solutions to the sometimes I-Phone problems that happen!

Hello there.

I had the same 3 problems on my iPhone 4S :

- Automatically switch back on after switch off

- Sometimes no "iPhone speaker" choice when playing music

- Rapid battery drain and Usage time = Standby time

I had the iPhone dock connector replaced and all 4 problems disappeared for a week. Unfortunately, after a week the Rapid battery drain and Usage time = Standby time reappered, although I can switch the iPhone off (and it will remain switched off) and I no longer have the disappearing iPhone speaker problem.

Any one out there who has a solution for this last one problem ?

Thanks in advance for your help,

Antonio

My next move would be to replace the battery. An iPhone 4 is getting rather old now and the batteries don't last forever. It is an easy job with online guides and the battery is only about $7.

Been mulling this for years. I signed out from my Itunes account through the Settings>Itunes and voila, the phone finally turned off for the first time in years. Never knew that once you sign in you are signed in untill you sign off.

I was actually trying to get rid of various songs that suddenly appreared in my playlist from the cloud, songs that I never asked to be on my Iphone.

Thanks, this solved my problem with not being able to shut down.

And what if cleaning the port doesn't help?

If cleaning the port doesn't work, replace it. Easy job for a tech. Shouldn't cost more than $40US

I had the exact same problem. I double tapped the button at the bottoms of the phone which brings up everything running in the background. If you touch one and then swipe it upwards it closes it. Close them all and then power down your phone. It worked for me.

I found that a combination of cleaning out the port with a dry toothbrush and following up with compressed air usually solves this problem. Stick with it and don't get discouraged if it takes a little while. After about 20 minutes of no success for me with two iPhone 4S, I found that adding a little alcohol to the toothbrush helped a lot.

I am just looking into this now, and have read through all the posts. I plugged in my phone and noticed that it turns off. I have not yet tried to to turn it off after unpluggin it.

I always thought is was retarted that such a wide connection space should be left open for pocket debris to get in there. So Stupid!.

I now believe that I may have a solution not mentioned and one which would protect from the same problem occuring for those that have installed a new dock.

find an old or cheap iphone connector and cut off the cord, leaving it to cover the and protect the dock.

Not sure how this will work if at all. It may allow you to turn of the phone but may cause other issues with a false sensor to app situation. But with no cover on the market, and not wanting to screw around with replacing the dock it may be a solution that no one has mentioned on this thread.

regards,

Thank you! I have been having this issues for months. I connected it to the charger and it finally powered off when i told it too. 😉 MUCH APPRECIATED!