Question about Samsung SCH-a870 Cellular Phone

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Phone keeps turning on and off

All of the sudden my Samsung phone started turning on and off.  It won't even turn off when I hold down the END button.  The white Verizon screen comes on and then stays there for a few seconds, and then the screen goes black, and then it restarts the process.  I've taken out the battery and also plugged it into the charger but it still happens.

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Re: Phone keeps turning on and off

Mine does the same thing it has continued doint this for almost a year and there is no solution ive been searching everywhere

Posted on Oct 17, 2008

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Master reset password for sch-s720c

i dont understand your question ? do you have a password on to get into your phone and you have forgot it ? ..if you have a password on and you have forgot the password then you will have to reset your phone to factory default ( loosing everything ) to do this you need to turn the phone off. now hold down the volume up button and the home button on the front,keep holding these buttons and turn the phone on , keep holding them buttons while the phone is turning on,you will get a menu then release the buttons. you can now scroll down to factory restore

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How to reset Samsung mega galaxy

the usual process is to,turn phone off... hold the "volume up " button and the "home button" together, keep holding the buttons down,then power on phone but keep the buttons pressed until you see the android secret menu ( if your phone boots up then try again holding both buttons )

May 11, 2015 | Samsung Galaxy Cell Phones

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My samsung omnia 7 shows only the welcome screen. i am from the philippines and my phone was given to me by my boss who lives in australia. it opened once but after the battery was drained, i recharged it...

Try to update the firmware ..
Tools: Samsung I8700 Download Program , USB cable ,USB Drivers.
1.Samsung Omnia 7 usb drivers >I8700_USB_Drivers.rar.html
2.Guide: How To Update Samsung I8700 Omnia 7 Firmware +Download program >
3.Samsung I8700 Omnia 7 Firmware >file/Xf3UGPX/I8700_XXJK1.rar
Follow the instructions from the downloaded guide on how to update the firmware. To enter download mode: Press and hold: VOL UP + CAMERA + POWER (Let go of POWER button when device turns on while keeping other 2 buttons pressed) When you see the 'Samsung Omnia 7' startup screen, count 5 seconds then let go of VOL UP + CAMERA.

Aug 21, 2011 | Samsung Omnia 7 (8 GB) Smartphone

1 Answer

My samsung sgh-i780 has frozen and no service on it and the spb menu is not working

1. Power off the phone
2. Hold down the begin call and end call buttons (green & red)
3. Press and hold the power button
4. Once the phone's status LED turns red, "RELEASE" the power button but KEEP the other 2 pushed. Very important to do this !!!!!
5. You will get a prompt to press the space key to format, or any other key to continue

May 02, 2011 | Samsung SGH i780 - Microsoft Windows...

1 Answer

My droid screen suddenly turned black but i could still use it, i tried resetting it by pulling the battery out but the same thing occurs. Whenever i would turn the droid back on, the Motorola symbol is no...

You might want to try a hard reset on the phone, it should put your phone back to normal if its a software issue, if its a hardware issue you might have to take the phone apart or send it in for repairs or warranty return.

You can hard reset your Motorola Droid if you want clear all of the data off of the device and start fresh. Here’s how it’s done.

1. Turn the Droid off. If it won’t turn off, take the battery out then place it back in.
2. Open the keyboard and press the X key while pressing and holding Power. The device will power on. Keep holding the buttons down until a yellow triangle appers.
3. Press the Camera and Volume Up buttons at the same time to get to the menu. (I had to press them several times).
4. Use the direction pad to the right of the keyboard to select the Format option.

Aug 16, 2010 | Motorola Mobility Droid (2 GB) Cell Phone

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I can't find the button to turn it on. i don't know which one it is, rather

Most phone's power button is the RED End Call button. Just hold it down for a brief couple of seconds and it should turn on. Be sure the battery is charged or your phone is plugged in.

Feb 10, 2010 | Samsung UpStage SPH-m620 Cellular Phone

1 Answer

Wont stop truning on and off

Take out the battery for an hour or so, then replace it. If the problem persists hold down the power off button (usually the end call button) for as long as it takes for the phone to turn off. If that turns it off, wait a few minutes and power it on again.
Hope this helps, let us know?

Sep 03, 2009 | Samsung Behold Cell Phone

1 Answer

Phone Will Not Turn On

someone...anyone help.
im having the same problem
and i haven't even had my
phone for a whole year...

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