If a hard reset is required, you can press and hold the power and volume buttons simultaneously. End users need an Operator Code, which can be obtain from a VoIP Service Provider, while Service Providers can use this White Label Platform to offer Mobile VoIP services in their own brand. Our new website is online! We give you exclusively until 19. Here is How to Acer Aspire One Factory Reset?, follow this step-by-step process to Factory reset or master reset which will restore your device to its original state.Easily Reinstall Mac OS & Erase All On Macbook Pro/Air Master JAlright So Now We Are Going To Reinstall The Latest Mac OS On Any Macbook / Macbook Air And Macbook Pro.Create a backup of your Itel Phone to the PC, then download Itel PC Suite or Itel File Manager software. Device Information: The Itel Prime 4 phone powered by Spreadtrum SC7731 CPU. It may be best to first trying a normal reset or force quitting apps. Press volume up and power button together. First you will switch of your Android device. Step 7: After Reset, Press the Power Button to Start the Phone. source Hello, I need a factory reset code settings for itel 2163: Isma: 06. Itel 2162 reset code Now press the power button and hold it too along with the volume up button.