How to reset phone when its locked?

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My umx doesn't want to charge and this umx phone i had it for years now   more
... happen when I tell them this phone is not worth it I don ... .com how is the blue phone?   more
... 10 mins, did the hard reset method by holding down power ... and woke up to a dead phone.   more
very crappy phone,it turned off and never ... luck. I do not think this phone is good, I don't think you ...   more
... phone to check for texts just 5 minutes prior. Tried the hard reset ... attack? This is the 4th phone that I've had that ... why I don't bother returning damaged phones. It's a huge privacy risk. ...   more
My umx phone trun off and want trun back on had it for like 10 days what do I do I try everything   more
my phone was not used for quite a while all i did was take out my sim card and battery plugged it up without the battery and then put everything back in im so happy i figured this out   more
My phone would randomly turn off and ... to do the dreaded factory reset. good luck   more
If the battery runs to zero, try holding down the power button after it has recharged.   more
Does anyone have any other way i tried all of them and it doesn't turn on please help me i need my phone fr my homework.   more
I discovered that I needed to hold down the volume UP button and power to get to the reboot screen on my UMX phone.   more
... the back button. then select reset using the volume button. to ... be fast tho... it should reset.   more
I did everything that it says to do all it does is stay at the triangle   more
... then vol down to factory reset, (third line down) press the ... >>> After you do the hard reset & you have a white screen that ... back in & power up the phone,when the blue screen comes ...   more
Wont let me select with menu to rest phone   more
my phone is on but it's just showing a white screen. what should or would i have to do next for it to come back on period?   more
... the volume button to select phone reset then you push the menu ...   more
... the volume button to select phone reset then you push   more
... my u670c Android net 10 phone. It has a Red triangle with ... off 3 minutes of my friends phones.   more
it goes to a white screen after i try to reboot it it goes to a triangle with a ! in the middle with a droid person than goes to a white screen than dont do nothing else   more
... a UMX mxc-570 phone for my birthday but its locked..I need to ...   more
... hand: power off your phone, hold down the volume ... and turn on the phone (keep holding both the ... menu. Navigate to **Factory Reset using the volume down ... when powering up the phone. As for doing it ...   more

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