Phone The front is: gray and blck the back is: black on the front it has samsung and in the middle where the upward control panel is metroPCS

Please contact your service provider, they will be able to help you out when it comes to service related concerns.

usually the sim card is in the back of the phone. take the back off remove the battery an the sim card slot should be there. here is a web site which might help http://www.samsung.com/us/support/owners/product/SCH-R250 hope that helps if all else fails take it too a phone shop like Telstra or optus

It needs flash programming . OS is corrupt. Use HWK turbo with latest control panel 2.3.0.4 . Download the ver same as your phone to use for flash.

Take it in to your provider- they will know what to do, or if it can be done.

Lucky Patcher is a useful tool which can help you remove various annoying ads, license verifications from apps. https://luckypatcherdownloadz.info/lucky-patcher-apk-download

When you ring somebody use the L R UP-DOWN button in the middle of your phone to increase the volume.

"
How to unlock most Metropcs(only) samsung phones Its very very simple. This will only work on most metropcs samsung phones.

1. Turn phone on.
2. Enter #UNLOCKED#
3. Enter password 587846 or 000000
4. Phone is now unlocked

FYI It may not work on all metropcs samsung phones."

Source http://www.howardforums.com/showthread.php/1616547-How-to-unlock-most-Metropcs%28only%29-samsung-phones

If this helps you then please help my rating,voting for me would be great too thanks.

Black - Ground
Blue - Power Antenna / Control for an AMP
Orange - Constant 12 Volts
Red - 12 Volts when the ignition is on, 0 Volts when it's off

[Speakers]

[Front]
Gray - Front Right Positive
Gray Black - Front Right Negative
Green - Front Left Positive
Green Black - Front Left Negative

[Rear]
Gray Red - Right Rear Positive
Black Gray - Right Rear Negative
Green red - Left Rear Positive
Black Green - Left Rear Negative

black=grd
red=12v switched
orange=12v all the time
blue=to control of power amp or auto antenna relay control
green=front left+
green/black= front left -
green/red=rear left +
black/green=rear left -
gray=front right+
gray/black=front right -
gray/red=rear right +
black/gray=rear right -
rear out jacks on back of unit goes to ext power amp if you have

hello i e mail you before about my metropcs huawei m318..this metropcs company is totally phone fraud.they have a block on my phone ..here is my phone number 1<562>219-8921 here is my esn#01807188604 this company metropcs hasn't repaired my phone or sent me a replacement phone.my phone has a lcd phone screen technical problem i have a black spot on my phone that blocks my phone from text messages or when my phone was on can't read phone numbers because of black spot on phone..metropcs is not a good cell company its been 4 long months of nothing.my cell is block and off please turn on phone and unblock it.urgent/urgent/r.s.v.p