I had an iPhone 3G for a year, no problems... Got the iPhone 3GS the day it came it out. One week later, I went swimming with it in my pocket. I shut it off. Disassembled it, dryed it and parked it in some rice for over 48 hours. Reassemebled it, restored it, and it worked great, EXCEPT for the power button. With the 3GS, I could turn it off by holding the Home button, and turn it on by plugging it up to charge or sync. No biggy.
The Problem:
I thought I just needed a new power button. Ordered the past last week. Just installed the whole ribbon cable (Power, Headphone Jack, Mute, Volume). Everything works EXCEPT the power button! I've cleaned all the connectors, checked everything I can check. Nothing seems to effect it.
Side Note:
My old 3G went to my wife, she dropped it in the sink for a few second, so as precaution, I took it apart, dried it and riced it. After assembly, it worked fine, until a month ago, when its power button went out. What is going on?
Could a drop somehow effect only the power button function on the main board?
I've been purchasing from etechparts.com. They have the best prices I've been able to find on the web and they ship out fast! I get most items next or 2nd day whether I pay extra for shipping or not. The ribbon cable for the power button is tedious to replace, but doable. Just be sure you have time and patience for all the little adhesive strips.I've been purchasing from etechparts.com. They have the best prices I've been able to find on the web and they ship out fast! I get most items next or 2nd day whether I pay extra for shipping or not. The ribbon cable for the power button is tedious to replace, but doable. Just be sure you have time and patience for all the little adhesive strips.
Also... I've determined that powering my phone off immediately after dropping it in the water is probably what shorted out my power button. The damage is more than likely on the main board and can't be fixed. With the 3GS, I can live without a power button since I can shut down my phone by holding the home button, and turn it on by plugging it up.
Conclusion: If you drop your phone in water... Don't turn it off. Disassemble it and stick it some rice for a day or two. From what I can tell pressing any buttons will short that circuit on the motherboard.Also... I've determined that powering my phone off immediately after dropping it in the water is probably what shorted out my power button. The damage is more than likely on the main board and can't be fixed. With the 3GS, I can live without a power button since I can shut down my phone by holding the home button, and turn it on by plugging it up.
Conclusion: If you drop your phone in water... Don't turn it off. Disassemble it and stick it some rice for a day or two. From what I can tell pressing any buttons will short that circuit on the motherboard.
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press and hold power button (top of phone) & home button (circular button, bottom centre) simultaneously for 5-10 seconds to put iPhone into Hard Reset mode
This problem occurs because of the following: 1. Cable disconnected. 2. Power button cable went bad.
Here is a google link to some solutions/same problem: http://www.google.com/#hl=en&tbo=d&sclient=psy-ab&q=iphone+3gs+power+button+not+working&oq=iphone+3gs+power+button+not+working&gs_l=hp.12...0.0.1.4706.0.0.0.0.0.0.0.0..0.0.les%3Beqn%2Crate_low%3D0-035%2Crate_high%3D0-035%2Cmin_length%3D2%2Ccconf%3D1-2%2Csecond_pass%3Dfalse%2Cnum_suggestions%3D1%2Cignore_bad_origquery%3Dtrue%2Conetoken%3Dfalse..0.0...1c.Jo2Ca_jYC3U&pbx=1&bav=on.2,or.r_gc.r_pw.r_qf.&bvm=bv.1355534169,d.dmQ&fp=75746be565b0cb2f&bpcl=40096503&biw=1153&bih=595
Press and hold down the Sleep/Wake button and Home button simultaneously
for at least 10 seconds; the screen will clear out and then the Apple
logo will appear on the black background. When the logo appears it means
that reset is done.
the main difference between the iphone 3g and iphone 3gs is the speed. but here are the specifications for both phones
weight: the 3gs is slightly heavier at 135g
memory: iphone 3g only has two options an 8gb or a 16gb whereas for the iphone 3gs it has 8gb/16gb/32gb
camera: the iphone 3g has 2mp camera that can only take pictures while the ihpne 3gs has a 3.15mp camera that can also capture videos
cpu/processor: iphone 3g has ARM 11 412 MHz, PowerVR MBX-Lite graphics while the iphone 3gs has 600 MHz ARM Cortex A8 processor, PowerVR SGX535 GPU. So the 3gs is faster and it means less or no lag on apps the 3gs has a digital compass and the 3gs has a longer battery time than the 3g. to summaarize, the iphone 3gs is faster, has longer battery life, and has a bigger memory (as it comes with a 32gb version).
If the problem is not hardware so it just require a reset. To reset the iPhone or iPod Touch, press and hold down the Sleep/Wake button and the Home button simultaneously at the same time for at least ten seconds, then the LCD display will clear and the Apple logo appears on the black background. When Apple logo appears, reset is done. Hope your problem is solved.
Try resetting the iPhone by pressing the Sleep/Wake Button and the Home Button both simultaneously after which the phone restarts slowly with the appearance of apple logo on the screen. Normally, reset is the solution for such strange problems.
Your iphone might already have that version, or maybe the phone does not have service, or also it could be tht the phone has been jailbroken. try doing a reset by holding the home buton, and power button down at the same time until the apple logo appears. Then try again
I've been purchasing from etechparts.com. They have the best prices I've been able to find on the web and they ship out fast! I get most items next or 2nd day whether I pay extra for shipping or not. The ribbon cable for the power button is tedious to replace, but doable. Just be sure you have time and patience for all the little adhesive strips.
Also... I've determined that powering my phone off immediately after dropping it in the water is probably what shorted out my power button. The damage is more than likely on the main board and can't be fixed. With the 3GS, I can live without a power button since I can shut down my phone by holding the home button, and turn it on by plugging it up.
Conclusion: If you drop your phone in water... Don't turn it off. Disassemble it and stick it some rice for a day or two. From what I can tell pressing any buttons will short that circuit on the motherboard.
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