Android Upgrade

agreed

You have to download cyanogen mod 12 rom.
your android must be rooted.
what to do:
Root your phone with help from my video.:
https://www.youtube.com/watch?v=KxCJjstU0Zw

  1. Download:
    custom firmware zip file for android.
    cyanogen mod 12 rom.zip
  2. put it on sdcard.
  3. Put phone to recovery
  4. Scroll to update from zip file. (using volume+ and volume- to scroll) and power or centre button for ok!
  5. locate the custom firmware compressed file you downloaded i should be in. zip format.
  6. press ok.
  7. after installing .
  8. a new recovery mode will apear with more features like back up system e.t.c
  9. scroll to clear delvik cache. and press ok.
  10. scroll to back up system/phone to back up phone incase anything goes wrong.
  11. scroll to wipe data. and press ok to wipe all data on phone.
  12. go again to install update from. zip and locate your cyanogen mod rom.
  13. press ok and wait for rom to install.
  14. reboot phone.
  15. go to about phone.
    17? you will see your on android 5.0 or 5.1.
    Congrats you just upgraded from 4 android to v5.
    please like my page:
    Www.facebook.com/rasandroidhacking