Try GT Recovery for Windows!
Accidently deleted some contacts on your Android phone? A software can help you from big headache of Restoring deleted Contacts.
Here on video we Show you step-by-step guide to recover deleted contacts on android device with GT Recovery for Windows.
With this way you can recover deleted contacts on any brands of Android device such as Samsung, HTC, Huawei, Sony, Motorola, Lenovo, LG, Sharp, etc.
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Download Link: http://www.gtrecovery.net/
What you will need to do is do a hard reset, what you want to do is hold these listed buttons, power,volume up,hold those two buttons and a sign will pop up and say hard reset click the button it tells you to do.
My phone had crack yesterday abd every time i somebody call's me it works but when i want to end the call it just black but when the person hang's up then the screen turn back on what is wrong with my phone i need help
If it's still under warranty it'll need to go in for repair. That's a symptom of a digitizer failure. (The part of the screen that recognizes touch). If it's out of warranty the replacement part can be bought off eBay for anywhere from $20-$60, depending on the specific model number and how technically proficient you are. It's really easy to break these screens trying to remove them so it might be better in the long run to just buy a replacement.
The only way to unlock a locked phone is to perform a factory reset on the phone, however *THIS WILL DELETE ALL CONTACTS AND DATA ON THE PHONE* it's different for every phone but usually to initiate the reset you need to turn your phone off, then back on again whilst holding the volume up, power and home buttons simultaneously.
With the phone on, you may want to pull the battery out and leave it out for 15-30 seconds, then put it back in. If that doesn't work, then you should hold the power button and select reboot. that shouldn't delete any messages.
well you mean the screen is frozen up or not responsive to your touch? if so do a Hard reset and that will fix the issue the issue ,before doing it pull out the SD card.