Q: Serial number

I entered the serial number as it appears on about my make and it comes up as not valid

Hardware Overview:

  Model Name:          MacBook

  Model Identifier:          MacBook4,1

  Processor Name:          Intel Core 2 Duo

  Processor Speed:          2.4 GHz

  Number Of Processors:          1

  Total Number Of Cores:          2

  L2 Cache:          3 MB

  Memory:          4 GB

  Bus Speed:          800 MHz

  Boot ROM Version:          MB41.00C1.B00

  SMC Version (system):          1.31f1

  Serial Number (system):          W8******0P5

  Hardware UUID:          ****

  Sudden Motion Sensor:

  State:          Enabled

I want to know if I can update this computer so that it is I phone compatable

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