1) Always read the user manual, this will often show you something you’ve done wrong. Never assume you know everything about it.
2) Check and double check that everything that is supposed to be in the box is actually in the box. People throw away cables or small things because they don’t look thoroughly through the packaging.
3) Be sure you check that all the appropriate accessories have been supplied, these can sometimes be excluded in the factory.
4) If you have bought a device from a foreign country you will need to check the voltage as this may vary. Failure do so could cause a shortage in your house and the destruction of your new high tech gadget.
5) Always check to see if the LED indicator is active, this lets you know that your new tech gadgets are receiving power.
6) Double check the battery is inserted properly; it should fit in nicely and not be loose. Most batteries will have an indicator on them as to which way they should fit.
7) Check the manual to see if all your cables are connected in the correct way.
8) Ensure that your cable is not the problem. You can check a cable by using it in another device that is similar.
9) Make sure that the side of a SIM card with the chip showing is face down in the device and connected.
10) Turning a device on and off can sometime create a power surge that gives a new device the necessary power it need on an initial boot up. This is the reason most Microsoft engineers will ask someone to do this first.